Height adjustable golf practicing device

Information

  • Patent Grant
  • 6786832
  • Patent Number
    6,786,832
  • Date Filed
    Monday, December 29, 2003
    21 years ago
  • Date Issued
    Tuesday, September 7, 2004
    20 years ago
Abstract
A golf practicing device includes a rotation disk, a cover, a bar, and an adjusting knob. The golf practicing device has a height adjustable function. Thus, the height of the practicing ball of the bar can be adjusted arbitrarily so as to fit users of different heights and statures, thereby facilitating the users operating the golf practicing device.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to a golf practicing device, and more particularly to a height adjustable golf practicing device.




2. Description of the Related Art




A conventional golf practicing device comprises a rotation disk, and a bar having a first end mounted on the a rotation disk and a second end formed with a practicing ball. Thus, the user can practicing the golf skills indoors by striking the practicing ball. However, the practicing ball of the bar is located close to the ground, thereby causing inconvenience to the learner. In addition, the height of the practicing ball of the bar is fixed and cannot be adjusted so as to fit users of different heights and statures, thereby causing inconvenience to the users when using the golf practicing device.




SUMMARY OF THE INVENTION




The primary objective of the present invention is to provide a golf practicing device having a height adjustable function.




Another objective of the present invention is to provide a golf practicing device, wherein the height of the practicing ball of the bar can be adjusted arbitrarily so as to fit users of different heights and statures, thereby facilitating the users operating the golf practicing device.




In accordance with the present invention, there is provided a golf practicing device, comprising a rotation disk, a cover, a bar, and an adjusting knob, wherein:




the rotation disk has a first barrel and a second barrel, the first barrel of the rotation disk has a periphery formed with an opening and two opposite slide slots each communicating with the opening, the second barrel of the rotation disk has a first end extended from the first barrel of the rotation disk and has a periphery formed with two opposite first limit grooves, two opposite second limit grooves, two opposite third limit grooves, and two opposite fourth limit grooves;




the cover is secured on the rotation disk to rotate therewith and having a periphery formed with an oblong slot;




the bar is pivotally mounted on the cover and has a first end extended through the oblong slot of the cover and movably mounted in the opening of the first barrel; and




the adjusting knob is movably mounted on the rotation disk and has an inside provided with a sleeve movably mounted in the second barrel of the rotation disk and rested on the first end of the bar.




Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a perspective view of a golf practicing device in accordance with the preferred embodiment of the present invention;





FIG. 2

is an exploded perspective view of the golf practicing device as shown in

FIG. 1

;





FIG. 2A

is a perspective view of an adjusting knob of the golf practicing device as shown in

FIG. 2

;





FIG. 3

is a partially plan cross-sectional view of the golf practicing device as shown in

FIG. 1

;





FIG. 4

is a plan cross-sectional view of the golf practicing device as shown in

FIG. 1

;





FIG. 4A

is a partially enlarged view of the golf practicing device as shown in

FIG. 4

;





FIG. 5

is a schematic operational view of the golf practicing device as shown in

FIG. 4

;





FIG. 5A

is a partially enlarged view of the golf practicing device as shown in

FIG. 5

;





FIG. 6

is a schematic operational view of the golf practicing device as shown in

FIG. 5

;





FIG. 6A

is a partially enlarged view of the golf practicing device as shown in

FIG. 6

;





FIG. 7

is a schematic operational view of the golf practicing device as shown in

FIG. 6

; and





FIG. 7A

is a partially enlarged view of the golf practicing device as shown in FIG.


7


.











DETAILED DESCRIPTION OF THE INVENTION




Referring to the drawings and initially to

FIGS. 1-4

, a golf practicing device


1


in accordance with the preferred embodiment of the present invention comprises a rotation disk


30


, a cover


20


, a bar


40


, and an adjusting knob


10


.




The rotation disk


30


has a first barrel


31


and a second barrel


35


. The first barrel


31


of the rotation disk


30


has a diameter greater than that of the second barrel


35


. The first barrel


31


of the rotation disk


30


has a first end extended from the rotation disk


30


and a second end formed with an insert


34


. The first barrel


31


of the rotation disk


30


has a periphery formed with an opening


32


and two opposite slide slots


33


each communicating with the opening


32


.




The second barrel


35


of the rotation disk


30


has a first end extended from the first barrel


31


of the rotation disk


30


and formed with an outer thread


36


. The second barrel


35


of the rotation disk


30


has a periphery formed with two opposite first limit grooves


351


, two opposite second limit grooves


352


, two opposite third limit grooves


353


, and two opposite fourth limit grooves


354


. Preferably, the first limit grooves


351


, the second limit grooves


352


, the third limit grooves


353


and the fourth limit grooves


354


of the second barrel


35


are disposed at different locations as shown in FIG.


3


.




The cover


20


is secured on the rotation disk


30


to rotate therewith. A bearing


50


is mounted on the first end of the first barrel


31


of the rotation disk


30


and rotatably mounted between the rotation disk


30


and the cover


20


. The cover


20


has an upper portion formed with a recess


21


and a through hole


22


communicating with the recess


21


. The second barrel


35


of the rotation disk


30


has a second end protruded outward from the cover


20


. The insert


34


of the first barrel


31


is inserted into the through hole


22


of the cover


20


. A nut


51


is screwed on the outer thread


36


of the second barrel


35


and rested on the cover


20


to secure the cover


20


on the rotation disk


30


. The cover


20


has a periphery formed with an oblong slot


23


.




The bar


40


is pivotally mounted on the cover


20


and has a first end extended through the oblong slot


23


of the cover


20


and movably mounted in the opening


32


of the first barrel


31


. The first end of the bar


40


is formed with a through hole


42


aligning with the two opposite slide slots


33


of the first barrel


31


. A pin


53


is extended through the through hole


42


of the bar


40


and is movably mounted in the two opposite slide slots


33


of the first barrel


31


, so that the first end of the bar


40


is movable in the first barrel


31


of the rotation disk


30


. The bar


40


has a second end formed with a practicing ball


41


.




The adjusting knob


10


having a disk shape is movably mounted on the rotation disk


30


and has an inside provided with a sleeve


11


movably mounted in the second barrel


35


of the rotation disk


30


and rested on the first end of the bar


40


. An elastic member


52


is mounted on the sleeve


11


of the adjusting knob


10


and is urged between the adjusting knob


10


and the rotation disk


30


. The elastic member


52


has a first end urged on the inside of the adjusting knob


10


and a second end urged on the second end of the second barrel


35


of the rotation disk


30


. The sleeve


11


of the adjusting knob


10


is provided with two opposite locking portions


12


selectively locked in the first limit grooves


351


, the second limit grooves


352


, the third limit grooves


353


and the fourth limit grooves


354


of the second barrel


35


.




In operation, referring to

FIGS. 4 and 4A

, the locking portions


12


of the adjusting knob


10


are locked in the first limit grooves


351


of the rotation disk


30


as shown in

FIG. 4A

, and the practicing ball


41


of the bar


40


is located at the lowermost position.




As shown in

FIGS. 5 and 5A

, the adjusting knob


10


is pressed toward the rotation disk


30


to move the sleeve


11


downward which presses and moves the first end of the bar


40


downward in the first barrel


31


(the pin


53


is movable in the slide slots


33


of the first barrel


31


) to pivot the bar


40


upward about the opening


32


of the first barrel


31


, so that the practicing ball


41


of the bar


40


is moved upward and located at a higher position. At this time, the sleeve


11


of the adjusting knob


10


is moved downward, so that the locking portions


12


of the adjusting knob


10


are moved into and locked in the second limit grooves


352


of the rotation disk


30


as shown in FIG.


5


A.




As shown in

FIGS. 6 and 6A

, the adjusting knob


10


is further pressed toward the rotation disk


30


to move the sleeve


11


downward which presses and moves the first end of the bar


40


downward in the first barrel


31


(the pin


53


is movable in the slide slots


33


of the first barrel


31


) to pivot the bar


40


upward about the opening


32


of the first barrel


31


, so that the practicing ball


41


of the bar


40


is moved upward and located at a higher position. At this time, the sleeve


11


of the adjusting knob


10


is moved downward, so that the locking portions


12


of the adjusting knob


10


are moved into and locked in the third limit grooves


353


of the rotation disk


30


as shown in FIG.


6


A.




As shown in

FIGS. 7 and 7A

, the adjusting knob


10


is further pressed toward the rotation disk


30


to move the sleeve


11


downward which presses and moves the first end of the bar


40


downward in the first barrel


31


(the pin


53


is movable in the slide slots


33


of the first barrel


31


) to pivot the bar


40


upward about the opening


32


of the first barrel


31


, so that the practicing ball


41


of the bar


40


is moved upward and located at the uppermost position. At this time, the sleeve


11


of the adjusting knob


10


is moved downward, so that the locking portions


12


of the adjusting knob


10


are moved into and locked in the fourth limit grooves


354


of the rotation disk


30


as shown in FIG.


7


A.




Accordingly, the height of the practicing ball


41


of the bar


40


can be adjusted arbitrarily so as to fit users of different heights and statures, thereby facilitating the users operating the golf practicing device


1


.




Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the true scope of the invention.



Claims
  • 1. A golf practicing device, comprising a rotation disk, a cover, a bar, and an adjusting knob, wherein:the rotation disk has a first barrel and a second barrel, the first barrel of the rotation disk has a periphery formed with an opening and two opposite slide slots each communicating with the opening, the second barrel of the rotation disk has a first end extended from the first barrel of the rotation disk and has a periphery formed with two opposite first limit grooves, two opposite second limit grooves, two opposite third limit grooves, and two opposite fourth limit grooves; the cover is secured on the rotation disk to rotate therewith and having a periphery formed with an oblong slot; the bar is pivotally mounted on the cover and has a first end extended through the oblong slot of the cover and movably mounted in the opening of the first barrel; and the adjusting knob is movably mounted on the rotation disk and has an inside provided with a sleeve movably mounted in the second barrel of the rotation disk and rested on the first end of the bar.
  • 2. The golf practicing device in accordance with claim 1, wherein the first barrel of the rotation disk has a diameter greater than that of the second barrel.
  • 3. The golf practicing device in accordance with claim 1, wherein the first limit grooves, the second limit grooves, the third limit grooves and the fourth limit grooves of the second barrel are disposed at different locations.
  • 4. The golf practicing device in accordance with claim 1, wherein the cover has an upper portion formed with a recess and a through hole communicating with the recess, and the first barrel of the rotation disk has a first end extended from the rotation disk and a second end formed with an insert inserted into the through hole of the cover.
  • 5. The golf practicing device in accordance with claim 4, further comprising a bearing mounted on the first end of the first barrel of the rotation disk and rotatably mounted between the rotation disk and the cover.
  • 6. The golf practicing device in accordance with claim 1, wherein the second barrel of the rotation disk is formed with an outer thread, and the golf practicing device further comprises a nut screwed on the outer thread of the second barrel and rested on the cover to secure the cover on the rotation disk.
  • 7. The golf practicing device in accordance with claim 1, wherein the first end of the bar is formed with a through hole aligning with the two opposite slide slots of the first barrel, and the golf practicing device further comprises a pin extended through the through hole of the bar and movably mounted in the two opposite slide slots of the first barrel, so that the first end of the bar is movable in the first barrel of the rotation disk.
  • 8. The golf practicing device in accordance with claim 1, wherein the bar has a second end formed with a practicing ball.
  • 9. The golf practicing device in accordance with claim 1, further comprising an elastic member mounted on the sleeve of the adjusting knob and urged between the adjusting knob and the rotation disk.
  • 10. The golf practicing device in accordance with claim 9, wherein the second barrel of the rotation disk has a second end protruded outward from the cover, and the elastic member has a first end urged on the inside of the adjusting knob and a second end urged on the second end of the second barrel of the rotation disk.
  • 11. The golf practicing device in accordance with claim 1, wherein the sleeve of the adjusting knob is provided with two opposite locking portions selectively locked in the first limit grooves, the second limit grooves, the third limit grooves and the fourth limit grooves of the second barrel.
  • 12. The golf practicing device in accordance with claim 1, wherein the pivot the bar is pivoted about the opening of the first barrel.
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1976405 Le Witt Oct 1934 A
4175744 Llewellyn Nov 1979 A
5060946 Taylor Oct 1991 A
5390930 Hu et al. Feb 1995 A
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5513847 Hu et al. May 1996 A
5860874 Wateska et al. Jan 1999 A
5997405 Russell et al. Dec 1999 A
6254491 Chou Jul 2001 B1
6425830 Chou Jul 2002 B1