US3661136A - Bow cord retracting and releasing device - Google Patents

Bow cord retracting and releasing device Download PDF

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Publication number
US3661136A
US3661136A US67022A US3661136DA US3661136A US 3661136 A US3661136 A US 3661136A US 67022 A US67022 A US 67022A US 3661136D A US3661136D A US 3661136DA US 3661136 A US3661136 A US 3661136A
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trigger member
bow
bow string
trigger
stem
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US67022A
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Melvin H Bradshaw
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B5/00—Bows; Crossbows
    • F41B5/14—Details of bows; Accessories for arc shooting
    • F41B5/1442—Accessories for arc or bow shooting
    • F41B5/1469—Bow-string drawing or releasing devices

Definitions

  • ABSTRACT A unitary rigid body shaped to provide a hand grip portion and a bowstring-engaging trigger member disposed forwardly of the grip portion and interconnected therewith by a stem portion. The hand grip portion is held in an upright position when the body is being used to retract a bow string.
  • the trigger member is elongate longitudinally of the bow string when engaged and is rearwardly channeled longitudinally thereof but canted outwardly of the stem from one end of such trigger portion toward the opposite end thereof the trigger member terminates in a smooth and tapering mergence with the adjacent lateral face of the trigger member preferably intermediate the length thereof, to provide an outwardly canted hook formation capable of securely holding the bow string until the rigid body is tipped forwardly to effect easy and smooth release ofsuch bow string.
  • the invention is in the field of archery accessories and is particularly concerned with devices for retracting or drawing backwardly the string of a bow to provide the energy for shooting an arrow and to trigger release of the bow string from its retracted position.
  • the desired attributes for a device of this kind are obtained by providing, in a unitary body, a hand grip having a stem member extending forwardly therefrom and supporting at its end an elongate bow-string-engaging trigger member that extends transversely of the stem and preferably in parallel with the hand grip.
  • a trigger member is channeled longitudinally and rearwardly and is elongate longitudinally of the bow string when engaged thereby.
  • the channel is canted outwardly of the stem from one end of the trigger member toward the opposite end thereof and terminating in smooth and tapering mergence with the adjacent lateral face of the trigger member to provide a correspondingly canted hook formation, preferably end thereof to about one-half the length of the trigger member, for receiving and securely holding the string of a bow during retraction thereof and for effecting easy and smooth release thereof when the device is tipped forwardly.
  • the hand grip is preferably narrow and elongate and contoured to receive an archers index, i.e. forefinger, at one side usually abovethe stern, and to receive the middle and fourth finger at the other side-usually below-the stem.
  • the stem extends forwardly between the archers index and forefinger and his middle finger.
  • the trigger member preferably have one lateral face constituting a substantially rectilinear extension ofa lateral face of the hand grip, with the opposite lateral face contoured to provide the bow-string-engaging hook formation.
  • such opposite lateral face of the stem is smoothly and convergently curved toward the longitudinal axis of the device and such opposite lateral face of the trigger member terminates where the trigger member is channeled rearwardly as previously described, preferably at such axis, to provide for securely receiving but smoothly releasing the bow string.
  • the device is advantageously molded to shape from a rigid plastic material.
  • FIG. 1 is a view in side elevation showing the bow-string-engaging hook formation
  • FIG. 2 a top plan view, considering the bow and the device to be held vertically rather than horizontally;
  • FIG. 3 a view corresponding to that of FIG. 1, but showing a bow string and arrow fragmentarily and the device tipped backwardly for securely engaging the bow string prior to and during retraction thereof;
  • FIG. 4 a view corresponding to that of FIG. 3, but showing the device held substantially vertically during the taking of aim at a target;
  • FIG. 5 another view corresponding to that of FIG. 3 but showing the device tipped forwardly to indicate how the retracted bow string is released;
  • FIG. 6 a vertical section taken on the line 66 of FIG. 4;
  • FIG. 7 a similar view with the bow string removed.
  • the rigid body constituting the device is unitary, being preferably molded to shape from a thermosetting or thermoplastic synthetic resin material. It comprises an elongate and narrow hand grip member 10 having finger-accommodating indentations formed in its forward face 10a along the length thereof and a stem member 11 projecting forwardly from such face between a single finger-accommodating indentation 12 adapted to receive an archer's index or forefinger and a pair ofsimilar indentations l3 and 14 adapted to receive his middle and fourth fingers, respectively.
  • Stem member 11 serves to connect hand grip member 10 with an elongate, forwardly positioned, bow-string-engaging trigger member 15 that extends longitudinally of the bow string 16, FIG. 4, when engaged thereby.
  • trigger member 15 has a lateral face 15a, FIG. 2, constituting a substantially rectilinear extension ofa lateral face 11a of the stem member and of a lateral face 10b of the grip member.
  • the opposite lateral face of the device is configurated to securely receive and smoothly release a bow string.
  • the trigger member 15 is longitudinally channeled rearwardly at 17, preferably at or near the longitudinal axis of the device, as shown, with the channel canted outwardly of the stem 11, see FIG. 6, from an end 15b of the trigger member toward but terminating short of the opposite end 15c thereof in smooth mergence with the adjacent lateral face 15d of such trigger member.
  • such channel 17 terminate about midway vof the length of the trigger member, as shown.
  • the bow is preferably held vertically, so that the device itself is held vertically in the retracted position of the bow string, see FIG. 4, with the rear, bow-string-engaging end of an arrow 18 resting on the upper end 1512 of the trigger member 15.
  • the archer need merely tip the upper end of the device forwardly, as shown in FIG. 5, to cause the wedge shaped portion l5e of such trigger member to dislodge the bow string, 16, from channel 17 and to thereby release its stored energy for projecting the arrow.
  • Initial engagement of the bow string for retraction purposes is preferably as shown in FIG. 3, with the device tipped backwardly and the bow string 16 in secure engagement with channel 17.
  • a bow string retracting and triggering device comprising a rigid body shaped to provide a hand grip member; a bowstring-engaging trigger member disposed forwardly of said grip member; and a stem member interconnecting said grip member and said trigger member; said trigger member having two lateral faces said trigger member being elongate longitudinally of a bow string as engaged thereby a channel means canted outwardly of the stem from one end of the trigger member toward the opposite end thereof and terminating in a smooth and tapering mergence of said channel means with one of said two lateral faces of the trigger member to provide a correspondingly canted hook formation for receiving and securely holding a string of a bow during retraction thereof and for effecting easy and smooth release thereof when the device is tipped forwardly in a plane of a retracted bow string, said channel means supporting progressively less and less of a bow string during the forward tipping movement of the device, and said hand grip member being in substantially a plane formed by a bow string and a bow when a bow string is being pulled to
  • a device is accordance with claim 3, wherein the hand grip member is formed with a single finger-receiving indentation in its forward face and at its end that is at the same side of

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  • General Engineering & Computer Science (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

A unitary rigid body shaped to provide a hand grip portion and a bowstring-engaging trigger member disposed forwardly of the grip portion and interconnected therewith by a stem portion. The hand grip portion is held in an upright position when the body is being used to retract a bow string. The trigger member is elongate longitudinally of the bow string when engaged and is rearwardly channeled longitudinally thereof but canted outwardly of the stem from one end of such trigger portion toward the opposite end thereof the trigger member terminates in a smooth and tapering mergence with the adjacent lateral face of the trigger member, preferably intermediate the length thereof, to provide an outwardly canted hook formation capable of securely holding the bow string until the rigid body is tipped forwardly to effect easy and smooth release of such bow string.

Description

United States Patent Bradshaw 1 May 9,1972
[72] Inventor: Melvin H. Bradshaw, 62 N. 4th East.
Moab, Utah 84532 [22] Filed: Aug. 26, 1970 [21] Appl. No.: 67,022
Primary E.\'nminerRichard C. Pinkham Assismnl E.rmninerWilliam R. Browne Attorney-Mallinckrodt & Cornaby [57] ABSTRACT A unitary rigid body shaped to provide a hand grip portion and a bowstring-engaging trigger member disposed forwardly of the grip portion and interconnected therewith by a stem portion. The hand grip portion is held in an upright position when the body is being used to retract a bow string. The trigger member is elongate longitudinally of the bow string when engaged and is rearwardly channeled longitudinally thereof but canted outwardly of the stem from one end of such trigger portion toward the opposite end thereof the trigger member terminates in a smooth and tapering mergence with the adjacent lateral face of the trigger member preferably intermediate the length thereof, to provide an outwardly canted hook formation capable of securely holding the bow string until the rigid body is tipped forwardly to effect easy and smooth release ofsuch bow string.
6 Claims, 7 Drawing Figures PATENTEBHAY 9 I972 3,661 136 INVENTOR. MELVIN H. BRADSHAW ATTORN YS BACKGROUND OF THE INVENTION Field The invention is in the field of archery accessories and is particularly concerned with devices for retracting or drawing backwardly the string of a bow to provide the energy for shooting an arrow and to trigger release of the bow string from its retracted position.
State of the Art Many different devices have been developed for the purpose, but there has remained the need for a device which will act easily and smoothly with a minimum of maneuvering to trigger release of the bow String, while still enabling the archer to take accurate aim and to maintain positive control.
SUMMARY OF THE INVENTION In accordance with the invention the desired attributes for a device of this kind are obtained by providing, in a unitary body, a hand grip having a stem member extending forwardly therefrom and supporting at its end an elongate bow-string-engaging trigger member that extends transversely of the stem and preferably in parallel with the hand grip. Such trigger member is channeled longitudinally and rearwardly and is elongate longitudinally of the bow string when engaged thereby. The channel is canted outwardly of the stem from one end of the trigger member toward the opposite end thereof and terminating in smooth and tapering mergence with the adjacent lateral face of the trigger member to provide a correspondingly canted hook formation, preferably end thereof to about one-half the length of the trigger member, for receiving and securely holding the string of a bow during retraction thereof and for effecting easy and smooth release thereof when the device is tipped forwardly.
The hand grip is preferably narrow and elongate and contoured to receive an archers index, i.e. forefinger, at one side usually abovethe stern, and to receive the middle and fourth finger at the other side-usually below-the stem. Thus, the stem extends forwardly between the archers index and forefinger and his middle finger. It and the trigger member preferably have one lateral face constituting a substantially rectilinear extension ofa lateral face of the hand grip, with the opposite lateral face contoured to provide the bow-string-engaging hook formation. Thus, such opposite lateral face of the stem is smoothly and convergently curved toward the longitudinal axis of the device and such opposite lateral face of the trigger member terminates where the trigger member is channeled rearwardly as previously described, preferably at such axis, to provide for securely receiving but smoothly releasing the bow string.
The device is advantageously molded to shape from a rigid plastic material.
THE DRAWING A desirable form of the device constituting the best mode presently contemplated for carrying out the invention is illustrated in the accompanying drawing, in which:
FIG. 1 is a view in side elevation showing the bow-string-engaging hook formation;
FIG. 2, a top plan view, considering the bow and the device to be held vertically rather than horizontally;
FIG. 3, a view corresponding to that of FIG. 1, but showing a bow string and arrow fragmentarily and the device tipped backwardly for securely engaging the bow string prior to and during retraction thereof;
FIG. 4, a view corresponding to that of FIG. 3, but showing the device held substantially vertically during the taking of aim at a target;
FIG. 5, another view corresponding to that of FIG. 3 but showing the device tipped forwardly to indicate how the retracted bow string is released;
FIG. 6, a vertical section taken on the line 66 of FIG. 4; and
FIG. 7, a similar view with the bow string removed.
DETAILED DESCRIPTION OF ILLUSTRATED EMBODIMENT In the particular form illustrated, the rigid body constituting the device is unitary, being preferably molded to shape from a thermosetting or thermoplastic synthetic resin material. It comprises an elongate and narrow hand grip member 10 having finger-accommodating indentations formed in its forward face 10a along the length thereof and a stem member 11 projecting forwardly from such face between a single finger-accommodating indentation 12 adapted to receive an archer's index or forefinger and a pair ofsimilar indentations l3 and 14 adapted to receive his middle and fourth fingers, respectively.
Stem member 11 serves to connect hand grip member 10 with an elongate, forwardly positioned, bow-string-engaging trigger member 15 that extends longitudinally of the bow string 16, FIG. 4, when engaged thereby. Such trigger member 15 has a lateral face 15a, FIG. 2, constituting a substantially rectilinear extension ofa lateral face 11a of the stem member and of a lateral face 10b of the grip member.
The opposite lateral face of the device is configurated to securely receive and smoothly release a bow string. Thus, the trigger member 15 is longitudinally channeled rearwardly at 17, preferably at or near the longitudinal axis of the device, as shown, with the channel canted outwardly of the stem 11, see FIG. 6, from an end 15b of the trigger member toward but terminating short of the opposite end 15c thereof in smooth mergence with the adjacent lateral face 15d of such trigger member. Preferably, such channel 17 terminate about midway vof the length of the trigger member, as shown. Between the termination of channel 17 and the end of 1512 of trigger member 15 the lateral face 15d of such trigger member bulges outwardly to form, in effect, a wedge-shaped portion l5e for dislodging a bow string when the device is tipped forwardly.
In using the device of the invention, the bow is preferably held vertically, so that the device itself is held vertically in the retracted position of the bow string, see FIG. 4, with the rear, bow-string-engaging end of an arrow 18 resting on the upper end 1512 of the trigger member 15. After aiming the archer need merely tip the upper end of the device forwardly, as shown in FIG. 5, to cause the wedge shaped portion l5e of such trigger member to dislodge the bow string, 16, from channel 17 and to thereby release its stored energy for projecting the arrow.
Initial engagement of the bow string for retraction purposes is preferably as shown in FIG. 3, with the device tipped backwardly and the bow string 16 in secure engagement with channel 17.
Whereas this invention is here illustrated and described with respect to a certain preferred form thereof, it is to be understood that many variations are possible without departing from the inventive concepts particularly pointed out in the claims.
Iclaim:
l. A bow string retracting and triggering device, comprising a rigid body shaped to provide a hand grip member; a bowstring-engaging trigger member disposed forwardly of said grip member; and a stem member interconnecting said grip member and said trigger member; said trigger member having two lateral faces said trigger member being elongate longitudinally of a bow string as engaged thereby a channel means canted outwardly of the stem from one end of the trigger member toward the opposite end thereof and terminating in a smooth and tapering mergence of said channel means with one of said two lateral faces of the trigger member to provide a correspondingly canted hook formation for receiving and securely holding a string of a bow during retraction thereof and for effecting easy and smooth release thereof when the device is tipped forwardly in a plane of a retracted bow string, said channel means supporting progressively less and less of a bow string during the forward tipping movement of the device, and said hand grip member being in substantially a plane formed by a bow string and a bow when a bow string is being pulled to a cocked position.
2. A device in accordance with claim 1, wherein the channel means terminates about midway of the length of the trigger member.
3. A device in accordance with claim 2, wherein the channel means is located substantially at the longitudinal axis of the trigger means.
4. A device is accordance with claim 3, wherein the hand grip member is formed with a single finger-receiving indentation in its forward face and at its end that is at the same side of

Claims (6)

1. A bow string retracting and triggering device, comprising a rigid body shaped to provide a hand grip member; a bow-stringengaging trigger member disposed forwardly of said grip member; and a stem member interconnecting said grip member and said trigger member; said trigger member having two lateral faces said trigger member being elongate longitudinally of a bow string as engaged thereby a channel means canted outwardly of the stem from one end of the trigger member toward the opposite end thereof and terminating in a smooth and tapering mergence of said channel means with one of said two lateral faces of the trigger member to provide a correspondingly canted hook formation for receiving and securely holding a string of a bow during retraction thereof and for effecting easy and smooth release thereof when the device is tipped forwardly in a plane of a retracted bow string, said channel means supporting progressively less and less of a bow string during the forward tipping movement of the device, and said hand grip member being in substantially a plane formed by a bow string and a bow when a bow string is being pulled to a cocked position.
2. A device in accordance with claim 1, wherein the channel means terminates about midway of the length of the trigger member.
3. A device in accordance with claim 2, wherein the channel means is located substantially at the longitudinal axis of the trigger means.
4. A device is accordance with claim 3, wherein the hand grip member is formed with a single finger-receiving indentation in its forward face and at its end that is at the same side of the stem member as the one end of the trigger member, and is formed with two additional finger-receiving indentations along its said forward face at the opposite side of the stem member.
5. A device in accordance with claim 4, wherein the other lateral face of the trigger member is substantially rectilinearly in shape and aligned with corresponding lateral faces of the stem member and hand grip member, respectively.
6. A device in accordance with claim 5, molded to shape from a synthetic resin material.
US67022A 1970-08-26 1970-08-26 Bow cord retracting and releasing device Expired - Lifetime US3661136A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084634A (en) * 1935-01-31 1937-06-22 Flury Godfrey Archery device
US2133650A (en) * 1937-06-04 1938-10-18 Irving H Baker String releasing means for bows

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084634A (en) * 1935-01-31 1937-06-22 Flury Godfrey Archery device
US2133650A (en) * 1937-06-04 1938-10-18 Irving H Baker String releasing means for bows

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