Archery bow string release device

• US 4,160,437 A
• Filed: 12/12/1977
• Issued: 07/10/1979
• Est. Priority Date: 12/12/1977
• Status: Expired due to Term

• Current Assignee: James D. Fletcher
• Original Assignee: James D. Fletcher
• Inventors: Fletcher, James D.
• Primary Examiner(s): Pinkham, Richard C.
• Assistant Examiner(s): Browne, William R.
• Application Number:
  US05/859,330
• Time in Patent Office: 575 Days
• Field of Search: 124/35 A, 124/23 R, 124/24 R, 124/41 A
• US Class Current: 124/35.2
• CPC Class Codes: F41B 5/1469 Bow-string drawing or releasing devices F41B5/1473 takes precedence

Abstract

A unitary bowstring-holding member in the form of a frame having an integral pair of spaced, opposed resilient clamp jaws, the resiliency thereof being due to the nature of the frame. The device also includes a trigger member having a forked portion intercepting the frame and pivotably connected to one of the jaws, and a link pivotably connected to the other of the jaws and to the forked portion so that movement of the trigger member in a first direction (through the link) forces the jaws toward each other into a bowstring-holding closed position and so that movement of the trigger member in the opposite second direction permits sudden bowstring-releasing opening of the jaws.

Claims

1. An improved archery bowstring release device comprising, in combination:

a. a unitary bowstring-holding member in the form of a resilient one piece frame having an integral pair of spaced, opposed, engageable resilient clamp jaws;

b. a trigger member intersecting said frame and pivotably connected to one of said jaws; and

,

c. a link pivotably connected to the other of said jaws and to said trigger member, whereby movement of said trigger member in a first direction acts through said link to force said jaws toward each other into a bowstring holding closed position, and whereby movement of said trigger member in the opposite second direction permits sudden bowstring-releasing springing open of said jaws due to their inherent resiliency.

2. The improved release device of claim 1 wherein said device consists of said frame, trigger member and link and is devoid of a separate spring component.

3. The improved release device of claim 1 wherein said link is in a stable, stationary, resting, jaw-locking position, when said jaws are closed.

4. The improved release device of claim 3 wherein said frame includes means for adjusting the position of said link in said jaw-locking position and the extent of movement of said trigger member necessary to upset said link and permit said frame spring action to move said jaws into said suddenly open bowstring-releasing position.

5. The improved release device of claim 4 wherein said adjusting means includes a threaded screw adjustably positionable to bear against said link.

6. The improved release device of claim 1 wherein said frame is generally U-shaped with said jaws adjacent one end thereof, and wherein said frame comprises hardened aluminum alloy.

7. The improved release device of claim 1 wherein said device includes a cross handle pivoted to said frame at a point remote from said jaws and wherein said handle is directly linked to said trigger member for bowstring release.

8. The improved release device of claim 7 wherein said handle directly is linked to said trigger member so that movement of said handle in said second direction effects like movement of said trigger member in said second direction to effect bowstring release.

9. An improved archery bowstring release device, said device comprising, in combination:

a. a unitary bowstring-holding member in the form of a frame having an integral pair of spaced, opposed resilient clamp jaws;

b. a trigger member intersecting said frame and pivotably connected to one of said jaws; and

,

c. a link pivotably connected to the other of said jaws and to said trigger member, whereby movement of said trigger member in a first direction acts through said link to force said jaws toward each other into a bowstring holding closed position, and whereby movement of said trigger member in the opposite second direction permits sudden bowstring-releasing opening of said jaws, said trigger member comprising an elongated lever arm with a forked portion adjacent one end thereof and a trigger portion adjacent the opposite end thereof, said forked portion enclosing and pivoted to a portion of said jaws and said link.

10. The improved release device of claim 9 wherein said link is pivoted to said forked portion at a point lateral of said jaws, and wherein said link is moveable into a jaw-closed stable resting position bearing against said frame at two points.