Blade holder and dispenser

Information

  • Patent Grant
  • 6598761
  • Patent Number
    6,598,761
  • Date Filed
    Monday, February 4, 2002
    22 years ago
  • Date Issued
    Tuesday, July 29, 2003
    20 years ago
Abstract
A blade holder includes a housing detachably secured onto a base plate. The base plate includes a panel engaged into a notch of the housing, and includes a slot communicating with the notch of the housing. The housing includes a channel for slidably receiving a pusher. The pusher includes a shank slidably received in the slot of the housing before the housing is secured onto the base plate, without additional driving tools and fasteners. A frame is slidably engaged in the housing for moving the blades toward the pusher which may then move the blades out of the housing.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to a blade holder, and more particularly to a blade holder for holding the blades of the utility knives, and for dispensing the blades.




2. Description of the Prior Art




Various kinds of typical blade holders have been developed for holding the blades of the utility knives. U.S. Pat. No. 5,251,783 to Gringer discloses one of the typical blade holders for holding and receiving the blades of the utility knives therein. However, the blades may not be easily removed from the blade holders.




U.S. Pat. No. 4,826,042 to Vujovich, and U.S. Pat. No. 4,850,512 to Vujovich, disclose two of the other typical blade holders for holding the blades, and for allowing the blades to be easily removed from the blade holders. However, the blade holders comprise at least a front cover and a sliding plate that are required to be secured to the blade holders with additional fasteners and driving tools, such that the blade holders may not be easily manufactured and assembled.




The present invention has arisen to mitigate and/or obviate the afore described disadvantages of the conventional blade holders.




SUMMARY OF THE INVENTION




The primary objective of the present invention is to provide a blade holder for holding the blades of the utility knives, and for dispensing the blades.




The other objective of the present invention is to provide a blade holder including a structure to be easily manufactured and assembled without additional tools and fasteners.




In accordance with one aspect of the invention, there is provided a blade holder comprising a base plate including a rear portion having a panel extended upward therefrom, and including a peripheral portion, a housing including a plurality of catches detachably secured to the peripheral portion of the base plate for detachably securing the housing onto the base plate, the housing including a chamber formed therein for receiving blades therein, the housing including a rear portion having a notch formed therein for receiving the panel of the base plate, and including a slot formed therein and communicating with the notch and the chamber thereof, the housing including a channel formed therein and communicating with the chamber thereof, a pusher slidably received in the channel of the housing, and including an actuator for engaging with the blades and for moving the blades outward through the channel of the housing, the pusher including a shank extended therefrom and slidably received in the slot of the housing, and a frame slidably engaged in the chamber of the housing for moving the blades toward the pusher. The panel of the base plate may be engaged into the notch of the housing, and the housing may be secured onto the base plate with the catches, without additional fasteners and driving tools. In addition, the shank of the pusher may be engaged into the slot of the housing before the housing is engaged onto the base plate.




The pusher includes a knob extended from the shank thereof for moving the pusher relative to the housing.




The housing includes a groove formed therein and communicating with the channel thereof, the pusher includes a rib extended therefrom and slidably engaged in the groove of the housing.




The base plate includes a groove formed therein, the pusher includes a rib extended therefrom and slidably engaged in the groove of the base plate.




The housing includes two sides each having a limb extended downward therefrom, the limbs include the catches extended therefrom for engaging with the peripheral portion of the base plate.




The base plate includes a serrated surface formed thereon, the frame includes a projection extended therefrom and engaged with the serrated surface of the base plate for positioning the frame to the base plate.











Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.




BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is an exploded view of a blade holder in accordance with the present invention;





FIG. 2

is a perspective view of the blade holder;





FIG. 3

is a cross sectional view taken along lines


3





3


of

FIG. 2

;





FIG. 4

is an enlarged partial cross sectional view of the blade holder as shown in

FIG. 3

;





FIG. 5

is a cross sectional view taken along lines


5





5


of

FIG. 2

;





FIG. 6

is a perspective view of the blade holder, as viewing from the other angle or direction relative to that shown in

FIG. 2

; and





FIG. 7

is a perspective view similar to

FIG. 2

, illustrating the operation of the blade holder.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT




Referring to the drawings, and initially to

FIGS. 1-6

, a blade holder in accordance with the present invention comprises a base plate


10


including a pair of side flanges


11


extended laterally outward from the two opposite sides thereof, and including a substantially trapezoid panel


12


extended upward from the rear portion thereof, for example, and including a groove


14


formed therein, particularly formed beside the trapezoid panel


12


or formed between the trapezoid panel


12


and base plate


10


. The base plate


10


includes one or more, such as two passages


16


formed therein, and parallel to the side flanges


11


thereof, and includes a serrated surface


17


formed between the passages


16


thereof.




A housing


20


includes a chamber


21


formed therein, and includes a conduit


22


formed in the upper portion thereof and an opening


23


formed in the front portion thereof and communicating with the chamber


21


thereof. The housing


20


includes two sides each having a downwardly extending limb


24


for engaging onto the side flanges


11


of the base plate


10


, and includes one or more catches


25


extended from the limbs


24


for engaging with the side flanges


11


of the base plate


10


and for detachably securing the housing


20


to the base plate


10


, without additional fasteners or driving tools.




The housing


20


includes a rear portion having a substantially trapezoid notch


26


formed therein corresponding to the shape of the trapezoid panel


12


, for receiving the trapezoid panel


12


. The housing


20


further includes a slot


27


formed therein, such as formed above the notch


26


thereof, and communicating with the notch


26


thereof. The housing


20


further includes a channel


28


formed therein, such as formed in the rear portion thereof, and communicating with the chamber


21


of the housing


20


, and includes a groove


29


formed therein and communicating with the channel


28


thereof. As best shown in

FIG. 6

, the slot


27


may be formed between the trapezoid panel


12


and the housing


20


after the panel


12


is engaged into the notch


26


of the housing


20


and after the housing


20


has been secured onto the base plate


10


.




A frame


30


is slidably received in the housing


20


and includes a bulge


31


extended upward therefrom and slidably engaged in the conduit


22


of the housing


20


for guiding the frame


30


to move relative to the housing


20


, and includes one or more legs


32


extended downward therefrom and slidably engaged in the passages


16


of the base plate to (FIG.


5


), for further stably guiding the frame


30


to slide relative to the housing


20


and the base plate


10


. The frame


30


includes a projection


33


extended downward therefrom for engaging with the serrated surface


17


of the base plate


10


(FIG.


4


), and for positioning the frame


30


to the base plate


10


and the housing


20


at any required position.




A pusher


40


is slidably engaged in the channel


28


of the housing


20


, and includes an upper and a lower portions each having a rib


41


extended therefrom for engaging into the groove


29


of the housing


20


and the groove


14


of the base plate


10


, and for stably guiding the pusher


40


to slide along the channel


28


of the housing


20


and to move inward and out ward of the housing


20


(

FIGS. 2

,


6


,


7


). The pusher


40


includes a bulge or an actuator


42


extended therefrom for engaging with the blades


70


and for moving the blade


70


outward through the channel


28


of the housing


20


(FIG.


7


). The pusher


40


includes a knob


44


extended from a shank


43


and extended outward of the housing


20


. The shank


43


is slidably engaged in the slot


27


of the housing


20


.




It is to be noted that the shank


43


of the pusher


40


may be slidably and solidly received and engaged in the slot


27


of the housing


20


before the housing


20


is secured onto the base plate


10


. The pusher


40


may thus be further solidly and slidably secured to the housing


20


and the base plate


10


with the sliding engagement of the shank


43


in the slot


27


of the housing


20


, without additional fasteners or driving tools. In




In operation, as shown in

FIG. 7

, the blades


70


may be received in the chamber


21


of the housing


20


, and may be engaged between the frame


30


and the pusher


40


. The user may push the frame


30


toward the pusher


40


in order to force the blades


70


against the pusher


40


. The users may even engage his finger into the conduit


22


of the housing


20


for moving the frame


30


and for forcing the blades


70


toward and against the pusher


40


. The actuator


42


of the pusher


40


may be engaged with one of the blades


70


, and may be used to force the blade


70


out through the channel


28


of the housing


20


, by moving the pusher


40


relative to the housing


20


with the knob


43


. After one or more of the blades


70


have been removed from the housing


20


, the frame


30


may then be used to move the other blades


70


toward and against the pusher


40


.




Accordingly, the blade holder in accordance with the present invention may be used for holding the blades of the utility knives, and for dispensing the blades, and includes a structure to be easily manufactured and assembled without additional tools and fasteners.




Although this invention has been described with a certain degree of particularity, it is to be understood that the present disclosure has been made by way of example only and that numerous changes in the detailed construction and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as hereinafter claimed.



Claims
  • 1. A blade holder comprising:a base plate including a rear portion having a panel extended upward therefrom, and including a peripheral portion, a housing including a plurality of catches detachably secured to said peripheral portion of said base plate for detachably securing said housing onto said base plate, said housing including a chamber formed therein for receiving blades therein, said housing including a rear portion having a notch formed therein for receiving said panel of said base plate, and including a slot formed therein and communicating with said notch and said chamber thereof, said housing including a channel formed therein and communicating with said chamber thereof, a pusher slidably received in said channel of said housing, and including an actuator for engaging with the blades and for moving the blades outward through said channel of said housing, said pusher including a shank extended therefrom and slidably received in said slot of said housing, and a frame slidably engaged in said chamber of said housing for moving the blades toward said pusher.
  • 2. The blade holder according to claim 1, wherein said pusher includes a knob extended from said shank thereof for moving said pusher relative to said housing.
  • 3. The blade holder according to claim 1, wherein said housing includes a groove formed therein and communicating with said channel thereof, said pusher includes a rib extended therefrom and slidably engaged in said groove of said housing.
  • 4. The blade holder according to claim 1, wherein said base plate includes a groove formed therein, said pusher includes a rib extended therefrom and slidably engaged in said groove of said base plate.
  • 5. The blade holder according to claim 1, wherein said housing includes two sides each having a limb extended downward therefrom, said limbs include said catches extended therefrom for engaging with said peripheral portion of said base plate.
  • 6. The blade holder according to claim 1, wherein said base plate includes a serrated surface formed thereon, said frame includes a projection extended therefrom and engaged with said serrated surface of said base plate for positioning said frame to said base plate.
US Referenced Citations (5)
Number Name Date Kind
2641358 Santo Jun 1953 A
3650433 Robertson Mar 1972 A
4826042 Vujovich May 1989 A
4850512 Vujovich Jul 1989 A
5251783 Gringer Oct 1993 A