Baseball base securing device

Information

  • Patent Grant
  • 6767296
  • Patent Number
    6,767,296
  • Date Filed
    Friday, January 17, 2003
    21 years ago
  • Date Issued
    Tuesday, July 27, 2004
    20 years ago
  • Inventors
  • Examiners
    • Garbo; Stephen P.
    • Chambers; M.
    Agents
    • Stetina Brunda Garred & Brucker
Abstract
The present invention provides a baseball base securing device comprising a buried hollow receiving tube and a spring biased cover. Generally, the baseball base, having a downwardly extending anchor member is receivable by and removable from the receiving tube. The spring biased cover is insertable into the receiver and positionable between a flush position and a retracted position within the receiver. The cover is in the flush position just under the surface, when the anchor of the baseball base is removed from the receiver. The cover is traversed to the retracted position when the anchor of the baseball base is inserted into the receiving tube. The cover, including a air permeable seal around the perimeter, and in contact with the sidewall of the receiving tube pushes dirt out from the receiving tube when the anchor of the base is being removed therefrom, and the cover prevents environmental debris or dirt from entering the receiver when the anchor is not inserted into the receiver.
Description




CROSS-REFERENCE TO RELATED APPLICATIONS




(Not Applicable)




STATEMENT RE: FEDERALLY SPONSORED RESEARCH/DEVELOPMENT




(Not Applicable)




FIELD OF THE INVENTION




The present invention relates generally to an apparatus and method securing sports equipment to a field playing surface. More particularly, the invention comprises an improved apparatus and method for removably securing a baseball base to the infield of a baseball field.




BACKGROUND OF THE INVENTION




Baseball is a popular sport in the United States and internationally. The sport is played at many levels beginning from children's amateur baseball through college and professional baseball. In the more organized baseball leagues, bases are secured to the baseball field to prevent movement during the game. A variety of devices have been adapted to allow bases to be secured and then later removed.




The necessity to provide bases that are removably attachable to the playing field arises for a number of reasons. It is desirable to remove the base from the field to avoid prolonged exposure to the environment which would have a deleterious effect on the base. Further, many fields are multipurpose sports fields and it is important to be able to remove the bases to allow other sports to be played without the base secured to the field. Also, during maintenance of the field's surface, it is desirable to remove the bases.




In order to be removably attachable to the playing surface, conventional bases include base anchors affixed to the bottom surface of the base to secure the base to the ground. A number of known base anchors are used to secure bases. Most typically, bases include a male square metal shaft protruding downwardly from the bottom of the center of the base. A square hollow female shaft embedded vertically in the ground receives male shaft via an opening slightly larger than the male shaft. The bottom of the hollow female shaft is installed approximately one to one and a half feet below field grade and is usually set in cement and placed at first, second and third base locations of a playing field. It is estimated that currently, the above described base and anchor is used in approximately 90% of fields used by organized baseball leagues.




The above described female shaft anchors are set in the ground at designed base locations depending on the level of play. For example, fields may have a distance of 54 feet for little league play, 60 feet for girls softball, 65 feet for mens softball,70 and 80 feet of Pony level baseball and 90 feet for highschool and major league baseball. The anchors are permanently installed in the ground to accommodate the base for what ever level of game is played. A playing field may have 5 or 6 different anchor locations at one time but only one set of bases is set at a time.




After use, the base is removed from the female shaft and a rubber plug is installed in the opening of the female shaft in order to prevent debris from falling into the hollow void thereof. The base is stored for use in the next game. The rubber plugs vary in size from 2 inches in diameter to 6 in diameter, and approximately one inch in height. Square plugs are also utilized. With the rubber plugs in place, the dirt area of the playing field is raked and machine dragged in order to keep the field flat and ready for the next teams use. While the field is being raked and dragged the buried female base anchors are covered with dirt and left covered until the next games are played. In many instances, the fields are raked and dragged by the players or coaches who may easily lose the rubber plugs or they may easily forget to install the plugs and the anchors fill with dirt and rocks. In some cases rakes or dragging equipment will snag the plugs removing them, and causing the void to fill with unwanted material.




The filling of the void of the buried female shaft with unwanted material is so prevalent that manufacturers of baseball bases and accompanying anchors sell a small spoon to be used in conjunction with the equipment in order to remove the dirt and debris. Removing of the debris with the spoon device is difficult and time consuming. Each time the field is used, someone must first locate the desired anchor by measuring from a permanently installed home base to the general area of the anchor. The anchor is located by random prodding in the dirt in the general location. Once the plug is removed, the base shaft is placed into the anchor and pushed down to ground level and it is ready for use, sometimes with great difficulty. Frequently debris gets into the shaft of the anchor when removing the plug in which case the small spoon is used to remove the soil. In many cases, if the dirt and rocks are not removed completely, the installers must use great force to push the bases down to ground level. Dirt and rocks may wedge between the anchor shaft and the base shaft and can not be pulled apart. When this happens, the ground anchor must be unburied, removed from the field and new anchor installed. The removed anchor is then discarded, most times along with the frozen base.




Because the amateur leagues do not have the benefit of professional grounds keepers, the securing and later removal of the bases to the field surface must be completed by league officials, coaches, umpires or the players themselves. Thus, there is a great need to provide a baseball base securing device which prevents unwanted dirt and debris from entering the open vertical shaft thus, reducing the time and effort associated with base installation. In addition, there is a great need to provide a base securing device which eases the identification of a buried base shaft.




BRIEF SUMMARY OF THE INVENTION




The present invention relates to a baseball base securing device which is engageable with a baseball base. The present invention is utilized with a standard baseball base having a downwardly extending anchor which is received by a hollow buried receiving tube member of the present invention. The receiving tube has an aperture which is sized and configured to receive the anchor. When not in use, a cover closes off the receiving tube. The cover is supported by a spring member located within the body of the receiving tube. The cover is traversable between a flush position and a retracted position. The cover is biased such that the flush position is normal. The cover is biased with a compression spring.




The spring defines a biasing force at the flushed position and the retracted position. Generally, the spring force at the flush position is sufficient to push dirt out from the aperture, and the spring force at the retracted position is less than a total weight of the base. A collapsible cord is attached to the cover to regulate the cover to the flushed position.




The cover has a cross-sectional dimensions virtually identical to that of the base's downwardly extending member which is received by the aperture of the receiving tube. As such, the aperture is configured as a square hole. Specifically, the size of the cover is slightly smaller than the size of the aperture of the receiver such that the cover may be inserted into the receiver and traversable between a flush position and the retracted position. In this regard, when the anchor of the base is removed from the receiver, the cover pushes debris and dirt out of the receiver as the anchor is being removed from the housing.




A flexible seal circumvents the cover. In particular, the seal continuously contacts the outside perimeter of the cover and the inside perimeter of the aperture and inside surface of the receiving tube. The seal is fabricated from a material that is resilient and weather resistant. Additionally, the seal should be permeable to air but not dirt and other debris. In this regard, the seal further displaces dirt out from the receiver as the anchor is being removed from the housing. By way of example and not limitation, the seal may be fabricated from foam, rubber, closed cell rubber or open cell rubber.




A visual indicator is attached to the receiving tube. The locator is attached to the receiver such that it is visible above the dirt when the anchor is removed from the housing. The visual indicator has long bristles that are resilient such that it may deform when the bases is inserted into the housing and resiliently push above the surface of the ground when the base is removed therefrom. Typically the locator is oriented and attached to the housing such that the locator is normal to the ground.











BRIEF DESCRIPTION OF THE DRAWINGS




These as well as other features of the present invention will become more apparent upon reference to the drawings wherein:





FIG. 1

is a perspective view of a prior art baseball base securing system;





FIG. 2

is a perspective view of the base securing system of the present invention;





FIG. 3

is an exploded cross sectional view of the receiving tube of the present invention;





FIG. 4

is an exploded cross sectional view of the cover for the receiving tube; and





FIG. 5

is a perspective view of an embodiment of the baseball base securing system.











DETAILED DESCRIPTION OF THE INVENTION




The detailed description as set forth below in connection with the appended drawings is intended as a description of the presently preferred embodiments of the present invention, and does not represent the only embodiment of the present invention. It is understood that various modifications to the invention may be comprised by different embodiments and are also encompassed within the spirit and scope of the present invention.




The most common baseball base securing device used in present day amateur baseball is shown

FIG. 1

(prior art). The problems associated with the use of the prior art device shown in

FIG. 1

is discussed in detail in the Background.

FIG. 1

shows a common method of removably securing a baseball base to the playing field. A base


2


having an elongate anchor


4


protrudes below the bottom surface of the base


2


and is engageable with receiving tube


6


. In order to secure the receiving tube


6


to the field, the tapered bottom end


8


of the receiving tube


6


is inserted into cement to form block


10


. The tapered bottom end


8


aids in securing the receiving tube


6


within the cement block


10


. The cement block


10


along with the receiver tube


6


is buried into the ground


11


of the playing field.




While the base


2


is secured in the receiving tube


6


, dirt and other debris from the environment will enter the receiving tube


6


through the aperture


12


. After play, the anchor


4


may be pulled out of the receiving tube


6


for storage. Dirt and other debris that enters the receiving tube


6


during play still resides therein. In this regard, the dirt that entered the aperture


12


of the receiver


6


at times wedges itself in between the anchor


4


and the walls of the receiving tube


6


such that removal of the anchor


4


from the receiving tube


6


may be impossible. When the bases


2


are in storage, a rubber stopper


14


is placed over the aperture


12


of the receiving tube


6


so as to prevent debris from the environment from entering the aperture


12


. When the base


2


needs to be reinserted, the dirt and debris that entered the aperture


12


of the receiving tube


12


must be removed such that the anchor


4


of the base


2


may be inserted into the aperture


12


of the receiving tube


6


. Typically, the removal of the dirt and other debris is accomplished with a specially adapted spoon


16


.




Referring to the drawings for the purposes of illustrating preferred embodiments of the present invention and not for the purposes of limiting alternative embodiments within the spirit and scope of the invention, in particular,

FIG. 2

depicts a perspective view of the baseball base securing device


20


of present invention. In an embodiment of the present invention, a base system


18


is provided wherein the same includes a standard base


2


(see

FIG. 1

) and a base securing device


20


. The base


2


includes an anchor


4


. The base securing device


20


comprises a receiving tube


22


and a cover


50


.




Typically, the base system


18


is utilized in an environment which has an abundant supply of debris which potentially may fall into the internal mechanism of the base securing device


20


. For example, the base system


18


may be used to secure base


2


used in the game of baseball to a playing field. In this regard, commonly, the base system


18


is surrounded by lose dirt or other debris.




In relation to the base


2


, the same defines opposed top and bottom surfaces


26


,


28


(see

FIG. 2

) and a central segment (not shown). The anchor


4


is physically attached to the bottom surface


28


of the base


2


. In particular, the anchor


4


is perpendicularly attached thereto at the central segment (not shown). The physical attachment between the base


2


and the anchor


4


must be sufficient to withstand the forces applied to the base


2


during its normal course of use. For example, in relation to baseball, the physical connection must be sufficient for a player to step on and slide into the base


2


. The anchor


4


defines a body portion


30


and a distal end portion


32


. The anchor


4


is generally an elongate member having a square cross section. The base


2


is standard and widely used, and is the same base described in association with the prior art device of FIG.


1


.




Referring particularly to

FIGS. 2 and 3

, the receiving tube


22


is an elongate member having an aperture


24


defining a generally square tube. The receiving tube


22


defines an outside surface


34


, inside surface


36


, and opposed top and bottom surfaces


38


and


40


. An aperture


24


extends from the top surface


38


to the bottom surface


40


of the receiving tube


22


. The aperture


24


is sized to receive the anchor


4


of the base


2


. In the shown embodiment, the anchor


4


and receiving tube


22


have square cross sections to allow the mating of the anchor


4


into the aperture


24


of the receiving tube


22


; however, it is contemplated by the present invention that the anchor


4


may have another shape, and the receiving tube


22


would like wise be a hollow tube with a shape to match the cross sectional shape of the anchor


4


to facilitate the matching of the tube


22


and anchor


4


.




The square configuration of the receiving tube


22


is sized such that the anchor


4


may be inserted therein with a snug fit. In this regard, the largest cross section of the anchor


4


is less than the size of the aperture


24


of the receiving tube


22


. The size differential between the anchor


4


and aperture


24


of the receiving tube


22


is such that dirt and other small particles do not prevent the anchor


4


from sliding out from the aperture


24


of the receiving tube


22


. In particular, when the anchor


4


is inserted into the aperture


24


of the receiving tube


22


, dirt and other debris may work its way in between the anchor


4


and the inside surface


36


of the receiving tube


22


. In the prior art, dirt and other debris that works between the anchor


4


and the inner wall of the receiving tube


6


creates friction which increases the force required to remove the anchor


4


from the tube


6


. In the embodiment shown in the present invention, the aperture


24


and the inner cross section of the receiving tube


22


is greater than a standard sized aperture


24


of a standard receiving tube


6


to avoid friction problems associated with debris.




The top surface


38


of the receiving tube


22


defines the aperture


24


. The base securing device


20


is buried into the ground


11


such that the top surface


38


is below the level of the ground


11


such that players will not trip over unused base securing devices


20


at other locations on the playing field. Preferably, the top surface


38


is approximately one inch to two and one half inches below the level of the ground. Additionally, when the anchor


4


is fully inserted into the aperture


24


of the receiving tube


22


, the bottom surface


28


of the base


2


rests upon the ground and not upon the top surface


38


of the receiving tube


22


. As discussed above, the anchor


4


is perpendicularly attached to the base


2


. The receiving tube


22


is formed from a square metal tube, and it is contemplated that it may be manufactured from any rigid material such as steel, aluminum, plastics, or any other suitable material for which the base system


18


will be used.




The outside surface


34


of the receiving tube


22


includes a elongate rigid bar


42


of flat metal affixed generally perpendicular to the receiving tube


22


. Preferably, the bar


42


is a flat rectangular sheet of rigid material having opposed pairs of longitudinal and lateral edges


44


,


46


. Although a flat member is contemplated, any elongate bar may be used. The bar


42


is attached to the outside surface


34


of the receiving tube


22


. The bar


42


is affixed to the bottom portion of the receiving tube


22


such that the bar


42


is located within the cement block


10


(see FIG.


5


). By way of example and not limitation, the bar


42


may be attached to the receiving tube


22


through welding. In use, the bottom portion of the receiving tube


22


is set in cement to form the block


10


. As shown in

FIG. 5

, the distal end of the bottom portion of the receiving tube


22


is not set in cement. The resultant cement block


10


(shown in

FIG. 5

) and the exposed portion of the receiving tube


22


is buried in the ground


11


with the aperture


24


exposed to the surface for receiving a base anchor


4


. The distal end of the bottom portion of the receiving tube


22


which is not set in cement is placed in gravel


47


. A purpose of the bar


42


is to prevent the removal of the receiving tube


22


from the cement block


10


. Additionally, the bar


42


prevents rotational movement of the receiving tube


22


within the cement block


10


. The bar


42


may be manufactured from any rigid material such as metal, steel, aluminum, plastics or any other suitable material for which the base system


18


will be used.




Referring to

FIGS. 2 and 3

, disposed on the bottom surface


40


of the receiving tube


22


is a bottom plate


48


. One of the purposes of the bottom plate


48


is to retain the spring


90


within the receiving tube


22


. The bottom plate


48


includes a sheet portion


52


and a protrusion portion


54


. The protrusion portion


54


is coaxially aligned with the sheet portion


52


such that the sheet portion


52


matches the bottom surface


40


of the receiving tube


22


. Optionally, the protrusion portion


54


includes recessed area. The sheet portion


52


provides a seal between the bottom plate


48


and the receiving tube


22


. Additionally, the sheet portion


52


behaves as a stop for the protrusion portion


54


such that the protrusion portion


54


is not freely slidable within the receiving tube


22


. Furthermore, the sheet portion


52


may have a plurality of weep holes


53


. The weep holes


53


are located on the sheet portion


52


at the recessed area. As discussed above, the distal end of the bottom portion of the receiving tube


22


is not set in cement (see FIG.


5


). In this regard, the bottom plate


48


having weep holes


53


are also not set in cement but is exposed to the gravel


47


(see FIG.


5


). As a result, the weep holes


53


drain any moisture that might accumulate within the receiving tube


22


. The number of weep holes


53


are increased as the requirement to drain moisture from the receiving tube


22


is increased.




More particularly, in relation to

FIG. 5

, the embodiment of the present invention as shown in

FIGS. 2-5

is installed into the ground


11


in the following manner. A hole in the ground


11


is made which is approximately 18 inches deep and 18 inches round. Gravel


47


is placed at the bottom of the hole. Preferably, approximately six inches of gravel


47


is placed at the bottom of the hole. The bottom portion of the receiving tube


22


is inserted into the gravel


47


. Preferably, approximately one inch of the bottom portion of the receiving tube


22


is inserted into the gravel


47


. Cement is filled on top of the gravel


47


and surrounds the bottom portion of the receiving tube


22


. Preferably, approximately six inches of cement is filled on top of the gravel


47


. Dirt is filled on top of the cement. Preferably, approximately six inches of dirt is filled on top of the cement so that people will not hit the cement as the dirt is pushed out of the way after people repeatedly slide into the base


2


thereby pushing the soil away.




Referring to

FIG. 3

, a spring


90


is disposed within the aperture


24


of the receiving tube


22


between the bottom plate


48


and the cover


50


. Preferably, the spring


90


is a compression spring, and the bottom of the spring


90


is nested within the recessed area of the protrusion portion


54


of the bottom plate


48


. In this regard, the spring


90


biases the cover


50


flush with the upper surface


38


when the anchor


4


is removed from the receiving tube. The spring force must be sufficient to traverse the cover


50


from a retracted position to a position flush with upper surface


38


. The spring force of the spring


90


with the base removed and the cover


50


at the flush position is approximately two pounds. The spring force at the retracted position is less than the weight of the base


2


and anchor


4


, and is approximately 8 to 10 pounds of force. In this regard, the spring


90


cannot eject the anchor


4


and base


2


from the receiving tube


22


. Additionally, the spring


90


does not bottom out when the anchor


4


is fully inserted therein.




The length of the receiving tube


22


is sufficient to contain the cover


50


, spring


90


and anchor


4


. The top of the spring


90


is nested in the recess of a housing


60


of the cover


50


at its bottom portion (see FIG.


3


). Additionally, the spring


90


is positioned so as to be located in the recess of the protrusion portion


54


of the bottom plate


48


. In this regard, the respective recesses are sized and configured to receive the spring


90


. Both recesses are for the purpose of positioning the spring


90


within the receiving tube


22


.




As shown in the embodiment of

FIG. 3

, a cord


92


is attached to the cover


50


and the bottom plate


48


. Preferably, the cord


92


is placed through the spring


90


. The cord


92


is attached to the cover


50


on the top end and attached to the bottom plate


48


on the bottom end. A purpose of the cord


92


is to regulate the cover


50


to the flushed position and to force the spring


90


into a biased, constantly tensioned, position. In particular, the spring


90


places the cord


92


in tension when the cover


50


is flush with the top surface


38


. Another purpose of the cord


92


is to provide the spring


90


, the bottom plate


48


and the cover


50


as one complete unit which may be removably inserted into the receiving lube


22


. When the anchor


4


is inserted into the receiving tube


22


, the cord


92


collapses into the spring


90


.




Referring particularly to

FIG. 4

, there is shown a cross sectional exploded view of the cover


50


of the present invention. The cover


50


includes a seal


58


and the housing


60


. The housing


60


is preferably a single unit which has a top and bottom portion


62


,


64


separated by a groove


66


. The top portion


62


has a top surface


68


which has a greater surface area compared to the cross-section of the anchor


4


. In this regard, when the base


2


having the anchor


4


is inserted into the receiving tube


22


, the seal


58


does not contact the anchor


4


thereby preventing any harm that might occur to the seal


58


from the anchor


4


. The bottom portion


64


has a greater footprint than the top portion


62


. The bottom portion


64


on its lower side has a recessed area which receives the spring


90


to locate the spring


90


within the receiving tube


22


. By way of example and not limitation, the housing


60


may be manufactured from plastic, hard rubber or neoprene material.




Referring to

FIG. 3

, the seal


58


is affixed to the housing


60


at the groove


66


. Generally, the seal


58


is manufactured from a resilient material. Preferably, the seal material is permeable to air and water but impermeable to dirt and other undesired debris. By way of example and not limitation, the seal


58


may be manufactured from foam, rubber, foam rubber, closed cell rubber or open cell rubber. Referring to

FIG. 4

, the seal


58


has an inside perimeter


70


, an outside perimeter


72


and a thickness


74


. The thickness


74


of the seal


58


is sized and configured to fit the width of the groove


66


on the housing


60


. The inside perimeter


70


of the seal


58


is configured to be similar to the configuration of the groove


66


formed on the housing


60


. The inside perimeter


70


of the seal


58


is sized such that it is slightly smaller than the groove


66


. The outside perimeter


72


of the seal


58


is configured to be similar to the configuration of the inside surface


36


of the receiving tube


22


. The outside perimeter


72


of the seal


58


is sized to be slightly larger than the inside surface


36


of the receiving tube


22


when the seal


58


is located on the groove


66


of the housing


60


.




The cover


50


is inserted into the aperture


24


of the receiving tube


22


, as shown in FIG.


2


. In this regard, the cover


50


is made traversable between a position flush with the upper surface


38


and a retracted position when the anchor


4


is inserted into the receiving tube


22


.

FIG. 2

depicts the cover


50


being flush with the upper surface


38


of the receiving tube


22


. The cover


50


is in the retracted position when the anchor


4


of the base


2


is inserted into the receiving tube


22


(not shown). The cover


50


is flush with the upper surface


38


when the anchor


4


of the base


2


is removed from the receiving tube


22


.




As discussed above, the seal


58


is in direct contact with the inside surface


36


of the receiving tube


22


. The significance of which is better appreciated in an example of the operation of the base system


18


. In the operation of the base system


18


, the anchor


4


of the base


2


is inserted into the receiving tube


22


when the field is being prepared for baseball. In this regard, a person will clear the top surface


38


of the receiving tube


22


and cover


50


from any debris or dirt thereon. Thereafter, the anchor


4


is inserted into the receiving tube


22


. During the insertion, the cover


50


traverses the receiving tube


22


from the flush position with the upper surface


38


to a retracted position. During game time, players will step on and slide into the bases


2


which causes dirt and other debris to fall between the anchor


4


and the receiving tube


22


. After the game, the anchor


4


is removed from the receiving tube


22


and placed in storage. During the removal, the cover


50


traverses the receiving tube


22


from the retracted position to a position flush with the upper surface


38


, and any dirt or debris that may have fallen between the anchor


4


and the receiving tube


22


is ejected out from the receiving tube


22


by the cover


50


. More specifically, by the seal


58


of the cover


50


. In this regard, the seal


58


must apply a sufficient pressure continuously and circumferentially about the inside surface


36


of the receiving tube


22


to eject dirt and other debris out of the receiving tube


22


when the cover


50


traverses from the retracted to flushed position. Additionally, the inside perimeter


70


of the seal


58


must snugly fit in the groove


66


of the cover housing


60


such that repeated cycling of the cover


50


between the retracted position and the position flush with the upper surface


38


will not dislodge the seal


58


from the housing


60


. As a result, only the top surface


38


of the receiving tube


22


and cover


50


need be cleared to re-insert the anchor


4


into the receiving tube


22


. In contrast, in the prior art, dirt that has fallen into the receiving tube


22


needs to be cleared before the insertion of the anchor


4


therein. Additionally, in the prior art, the spoon


16


and rubber stopper


14


needs to be stored away; whereas, in the present invention, only the base


2


is detachable from the base securing device


20


.




As stated above, the seal


58


is fabricated with material that is permeable to air but not to dirt or other undesirable debris. In this regard, the air is allowed to pass through the cover


50


such that the cover


50


may easily traverse the receiving tube


22


from the retracted position to a position flush with the upper surface


38


. Conversely, when the anchor


4


is inserted into the receiving tube


22


, the air trapped under the cover


50


within the receiving tube


22


must exit as the anchor


4


is inserted into the receiving tube


22


. In this regard, the air may pass through the air permeable seal


58


. Alternatively, the weep holes


53


provides an exit and entrance for air to pass into and out of the receiving tube


22


.




As shown in

FIG. 2 and 3

, a locator


96


may be attached to the receiving tube


22


. The locator


96


is a plurality of elongate bristles. The locator


96


is attached to the top of receiving tube


22


such that the top end of the locator


96


is visible above ground level when the anchor


4


is not inserted into the receiving tube


22


. The locator


96


is fabricated from a resilient material in that it bends back when a base


2


is in place, and springs back up when the base


2


is removed. The color of the locator


96


may be any color which is easily locatable in the environment in which the base securing device


20


resides. By way of example and not limitation, the locator


96


may be orange when the base system


10


is used in a brown dirt field. In this regard, a purpose of the locator


96


is to make the location of the receiving tube


22


readily determinable when debris and dirt may be covering the receiving tube


22


. Different colors may be used for different levels of play.




It should be noted and understood that with respect to the embodiments of the present invention, the materials suggested may be modified or substituted to achieve the general overall resultant high efficiency. The substitution of materials or dimensions remains within the spirit and scope of the present invention.



Claims
  • 1. A baseball base securing device to releaseably secure to a baseball base to an outdoor playing surface, said baseball base having a downwardly extending elongate anchor member, the device comprising:a) a receiving tube defining an open top end, a buried bottom end and an interior sidewall surface, said open top end sized to receive a baseball base anchor; b) a cover disposed within the receiving tube defining an outer circumference, the cover being traversable within said receiving tube between a first closed position at the open top end of the receiving tube and a second retracted position within the receiving tube; and c) a biasing member positioned within said receiving tube between said tube cover and the bottom end of said receiving tube, said biasing member adapted to force the cover upward to a closed position when the anchor of the baseball base is removed from the receiving tube.
  • 2. The device of claim 1 wherein the biasing member is a compression spring.
  • 3. The device of claim 1 wherein the biasing force of the biasing member at the retracted position is less than the total weight of the base and anchor.
  • 4. The device of claim 2 further comprising a cord attached between the cover and the bottom of said receiving tube regulate the maximum compressive expanse of the spring.
  • 5. The device of claim 1 wherein the outer circumference of the cover is in continuous contact with the interior sidewall surface of the receiving tube at rest and during movement of the cover within the receiving tube.
  • 6. The device of claim 5 wherein the outer circumference of the cover incorporates a seal which contacts the interior side wall of the receiver and prevents unwanted debris from entering the interior of the receiving tube below the cover and which ejects debris when the cover reaches a closed position.
  • 7. The device of claim 6 wherein the seal is permeable to air but impermeable to debris.
  • 8. The device of claim 6 wherein the seal is manufactured from a material consisting of the group consisting of foam, rubber, foam rubber, closed cell rubber and open cell rubber.
  • 9. The device of claim 1 further comprising a flexible elongate visual indicator affixed to the top end of the receiving tube.
  • 10. The device of claim 9 wherein the visual indicator is fabricated from a resilient material.
  • 11. The device of claim 1 further comprising an elongate bar affixed to the outer surface of said receiving tube in generally perpendicular relation to said receiving tube to aid in anchoring said receiving tube within the ground.
  • 12. The device of claim 1 wherein the bottom portion of said receiving tube is embedded in gravel.
  • 13. The device of claim 12 further comprising an elongate bar affixed to the outer surface of said receiving tube in generally perpendicular relation to said receiving tube to aid in anchoring said receiving tube within cement.
  • 14. The device of claim 1 wherein the open top end of the receiving tube is sized to receive the and support the baseball base anchor such that the receiving tube provides a stable hold for the baseball base, but allows the passage of debris between said interior sidewalls of said receiving tube and the baseball base anchor when the device is in use.
US Referenced Citations (13)
Number Name Date Kind
4060244 Graham Nov 1977 A
4531733 Hall Jul 1985 A
4690403 Meggs Sep 1987 A
4723779 Hauser Feb 1988 A
4830368 Green et al. May 1989 A
5203557 Studebaker et al. Apr 1993 A
5415394 Hall May 1995 A
5456460 Larsen Oct 1995 A
5556089 Hall Sep 1996 A
5590874 Hall Jan 1997 A
5800288 Mims Sep 1998 A
5967910 Lin Oct 1999 A
6077175 Fearnow Jun 2000 A
Non-Patent Literature Citations (1)
Entry
(Internet Literature) Schutt Sports, “Holywood Bases,” pp. 1 of 1.