US3028851A - Spring operated cross bow - Google Patents

Spring operated cross bow Download PDF

Info

Publication number
US3028851A
US3028851A US60359A US6035960A US3028851A US 3028851 A US3028851 A US 3028851A US 60359 A US60359 A US 60359A US 6035960 A US6035960 A US 6035960A US 3028851 A US3028851 A US 3028851A
Authority
US
United States
Prior art keywords
bow
frame
spring
block
spring operated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US60359A
Inventor
Robert W Drake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US60359A priority Critical patent/US3028851A/en
Application granted granted Critical
Publication of US3028851A publication Critical patent/US3028851A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • F41B5/12—Crossbows

Definitions

  • An object of the present invention is to provide a spring operated cross bow which permits the shooting of several arrows at one time.
  • Another object of the present invention is to provide a cross bow which may be constructed with springs of various weights and sizes so that the power of the bow may be adjustable and that the range of the bow can be varied to suit the user thereof.
  • a further object of the present invention is to provide a spring operated cross bow which is simple in structure, one which may be manufactured in quantity at reasonable cost, and one which is highly effective in action.
  • FIGURE 1 is a top plan View of the bow constructed according to the present invention, the bow string being shown in relaxed position,
  • FIGURE 2 is a side elevational view showing the means ⁇ for relaxing the coil spring so that the bow string may be cocked
  • FIGURE 3 is a top plan view showing the bow string in cocked position
  • FIGURE 4 is a view on an enlarged scale, taken on line 4--4 of FIGURE 1,
  • FIGURE 5 is a view on an enlarged scale, taken on line 5-5 of FIGURE 1,
  • FIGURE 6 is a view on an enlarged scale, taken on line 6-6 of FIGURE 3, showing the bow string in cocked position, and
  • FIGURE 7 is a view similar to FIGURE 6 showing the trigger in the position in which the bow string is released.
  • the cross bow of the present invention comprises an elongated frame 10 having a slot 12 extending inwardly from one end thereof.
  • a handle 14 has one end fixedly secured to the other end of the frame 10.
  • An elongated U-shaped bar element 16 is disposed within the slot 12 with the bight 20 adjacent to and spaced from the end of the slot 12 adjacent the handle 14.
  • the bar element 16 has the free ends of its legs 18 connectedto the frame 1t) by a pivot pin 24 for swinging movement of the bar element 16 from the position within the frame 19 to a position swung outwardly from the frame 10 as shown in FIGURE 2.
  • a coil spring 22 has one end connected by a pivot pin 26 to the legs 18 of the element 16 and has its other end connected to adjacent ends of a pair of links 28 which have their other ends connected, one each, to the adjacent ends of a pair of levers 30 and 32 mounted intermediate their ends upon a cross frame element A34 iixedly secured to the adjacent end of the frame 10.
  • a bow string 36 extends between and has its ends connected to the other ends of the levers 30 and 32.
  • a rigid wire loop 38 is carried on an intermediate part of the bow string 36 and is engageable with a block 40 mounted in the slot 12 adjacent the handle 14 and con nected to the frame 10 for pivotal movement from the cocked position shown in FIGURE 6 to the released po-k sition shown in FIGURE 7.
  • the block 40 is connected by a pivot pin 42 to the frame 10 and a spring 44 normally urges the block 40 to the cocked position shown in FIGURE 6.
  • a trigger 46 is connected by another pivot pin 48 to the frame 19 for rocking movement about the pin 43 as an axis.
  • a link S0 has one end connected by a pin 49 to one end of the trigger 46 and the other end connected by a pin S1 to the block 40 for eliecting rocking movement of the block 4i? responsive to rocking movement of the trigger 46.
  • the pivot pins 48, 49, and 51 are in an over center position which etectively prevents movement of the block 40 in the counterclockwise direction to the position of FIG. 7 in which the bow string 36 is released.
  • a spring 52 has one end connected to the trigger 46 and the other end connected to the frame 1i) and urges the trigger 46 to the forward position shown in FIG- URE 6.
  • the bar element 16 is shifted to the position shown in FIGURE 2 to relax the spring 22 so that the bow string 36 may be pulled from the position shown in FIGURE 1 to the position shown in FIGURE 3 and the loop 38 manipulated so that its bightis seated in the notch 54 provided in the upper end of the block 40.
  • the bar element 16 is shiftedA to the position within the slot 12 by grasping the handle 56 and moving it Ifrom the full line position to the dotted line position shown in FIGURE 2. This puts tension on the spring 22 so that when the trigger 46 is pulled and the block 40 is tilted, the loop 3S is released and the bow string 36 is pulled forwardly under the tension of the spring 22 to discharge an arrow 58 having one end engaged by the bow string 36.
  • the element 34- is provided with a resilient member 6i) which protects the arrow as it slides thereover, as shown in FIGURE 5.
  • the bow string 36 has its ends secured by clevises 62 to the adjacent ends of the lever 30 and 32, respectively, as shown with respect to the lever 30.
  • a spring operated cross bow comprising an elongated frame having a slot extending inwardly from one end thereof, a handle having one end .fixed to the other end of said frame, an elongated U-shaped bar element disposed within said slot with the bight adjacent to and spaced from the end of the slot adjacent said handle and having the free ends of the legs thereof connected to said frame for pivotal movement from the position within said frame to a position in which said element is swung outwardly of said frame, an elongated coil spring disposed bet-Ween the legs of said element and having one end pivotally connected to said element at a point spaced from the bight of said element, a pair of levers each pivotally connected to said frame adjacent said one end, means connecting one end of veach lever to the other end of said spring, a bow string extending between and having its ends secured to the other ends of said levers, and trigger means mounted on said frame and releasably engageable with said bow string, said trigger means comprising a block mounted on said frame

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Description

April 10, 1962 R. w. DRAKE SPRING OPERATED cRoss Bow 2 Sheets-Sheet 1 Filed Oct. 4, 1960 /NVE NTOR Roben W Dra/re April 10, 1962 R. w. DRAKE 3,028,851
SPRING oPERATED cRoss Bow 2 Sheets-Sheet 2 Filed OCT.. 4, 1960 //V VE N TOR Robert W Dra/re United States Patent 3,028,851 SEEING OPERATED CRQSS EGW Robert W. Drake, 2656 S. Trenton Ave., Tulsa, Okla. Filed Get. 4, 1960, Ser. No. 60,359 1 Claim. (Cl. 124-16) The present invention relates to archery generally and in particular to a spring operated cross bow.
An object of the present invention is to provide a spring operated cross bow which permits the shooting of several arrows at one time.
Another object of the present invention is to provide a cross bow which may be constructed with springs of various weights and sizes so that the power of the bow may be adjustable and that the range of the bow can be varied to suit the user thereof.
A further object of the present invention is to provide a spring operated cross bow which is simple in structure, one which may be manufactured in quantity at reasonable cost, and one which is highly effective in action.
These and other objects will be apparent to the user of the bow when taken in connection with the annexed drawings, in which:
FIGURE 1 is a top plan View of the bow constructed according to the present invention, the bow string being shown in relaxed position,
FIGURE 2 is a side elevational view showing the means `for relaxing the coil spring so that the bow string may be cocked,
FIGURE 3 is a top plan view showing the bow string in cocked position,
FIGURE 4 is a view on an enlarged scale, taken on line 4--4 of FIGURE 1,
FIGURE 5 is a view on an enlarged scale, taken on line 5-5 of FIGURE 1,
FIGURE 6 is a view on an enlarged scale, taken on line 6-6 of FIGURE 3, showing the bow string in cocked position, and
FIGURE 7 is a view similar to FIGURE 6 showing the trigger in the position in which the bow string is released.
With continued reference to the drawings in which like numerals indicate like parts throughout the several views, the cross bow of the present invention comprises an elongated frame 10 having a slot 12 extending inwardly from one end thereof. A handle 14 has one end fixedly secured to the other end of the frame 10.
An elongated U-shaped bar element 16 is disposed within the slot 12 with the bight 20 adjacent to and spaced from the end of the slot 12 adjacent the handle 14. The bar element 16 has the free ends of its legs 18 connectedto the frame 1t) by a pivot pin 24 for swinging movement of the bar element 16 from the position within the frame 19 to a position swung outwardly from the frame 10 as shown in FIGURE 2.
A coil spring 22 has one end connected by a pivot pin 26 to the legs 18 of the element 16 and has its other end connected to adjacent ends of a pair of links 28 which have their other ends connected, one each, to the adjacent ends of a pair of levers 30 and 32 mounted intermediate their ends upon a cross frame element A34 iixedly secured to the adjacent end of the frame 10.
A bow string 36 extends between and has its ends connected to the other ends of the levers 30 and 32.
A rigid wire loop 38 is carried on an intermediate part of the bow string 36 and is engageable with a block 40 mounted in the slot 12 adjacent the handle 14 and con nected to the frame 10 for pivotal movement from the cocked position shown in FIGURE 6 to the released po-k sition shown in FIGURE 7.
The block 40 is connected by a pivot pin 42 to the frame 10 and a spring 44 normally urges the block 40 to the cocked position shown in FIGURE 6.
A trigger 46 is connected by another pivot pin 48 to the frame 19 for rocking movement about the pin 43 as an axis. A link S0 has one end connected by a pin 49 to one end of the trigger 46 and the other end connected by a pin S1 to the block 40 for eliecting rocking movement of the block 4i? responsive to rocking movement of the trigger 46. As seen most clearly in FIGS. 6 and 7, when the block 4% is in the cocked position of FIG. 6, the pivot pins 48, 49, and 51 are in an over center position which etectively prevents movement of the block 40 in the counterclockwise direction to the position of FIG. 7 in which the bow string 36 is released.
A spring 52 has one end connected to the trigger 46 and the other end connected to the frame 1i) and urges the trigger 46 to the forward position shown in FIG- URE 6.
In use, the bar element 16 is shifted to the position shown in FIGURE 2 to relax the spring 22 so that the bow string 36 may be pulled from the position shown in FIGURE 1 to the position shown in FIGURE 3 and the loop 38 manipulated so that its bightis seated in the notch 54 provided in the upper end of the block 40. Next, the bar element 16 is shiftedA to the position within the slot 12 by grasping the handle 56 and moving it Ifrom the full line position to the dotted line position shown in FIGURE 2. This puts tension on the spring 22 so that when the trigger 46 is pulled and the block 40 is tilted, the loop 3S is released and the bow string 36 is pulled forwardly under the tension of the spring 22 to discharge an arrow 58 having one end engaged by the bow string 36.
The element 34- is provided with a resilient member 6i) which protects the arrow as it slides thereover, as shown in FIGURE 5. As shown in FIGURE 4, the bow string 36 has its ends secured by clevises 62 to the adjacent ends of the lever 30 and 32, respectively, as shown with respect to the lever 30.
While only a preferred form of the invention is shown and described it is contemplated that other forms may be constructed and numerous changes and modification made therein without departing from the spirit of the invention as set forthin the appended claim.
What is claimed is:
A spring operated cross bow comprising an elongated frame having a slot extending inwardly from one end thereof, a handle having one end .fixed to the other end of said frame, an elongated U-shaped bar element disposed within said slot with the bight adjacent to and spaced from the end of the slot adjacent said handle and having the free ends of the legs thereof connected to said frame for pivotal movement from the position within said frame to a position in which said element is swung outwardly of said frame, an elongated coil spring disposed bet-Ween the legs of said element and having one end pivotally connected to said element at a point spaced from the bight of said element, a pair of levers each pivotally connected to said frame adjacent said one end, means connecting one end of veach lever to the other end of said spring, a bow string extending between and having its ends secured to the other ends of said levers, and trigger means mounted on said frame and releasably engageable with said bow string, said trigger means comprising a block mounted on said frame for movement in clock-` wise and counterclockwise directions, said bow string be` ing seatable in a notch in said block and urging said block to the counterclockwise direction position, and an overcenter trigger and link mechanism releasably holding said block in the clockwise direction position.
France 1950 Italy Feb. 9, 1953
US60359A 1960-10-04 1960-10-04 Spring operated cross bow Expired - Lifetime US3028851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US60359A US3028851A (en) 1960-10-04 1960-10-04 Spring operated cross bow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60359A US3028851A (en) 1960-10-04 1960-10-04 Spring operated cross bow

Publications (1)

Publication Number Publication Date
US3028851A true US3028851A (en) 1962-04-10

Family

ID=22028995

Family Applications (1)

Application Number Title Priority Date Filing Date
US60359A Expired - Lifetime US3028851A (en) 1960-10-04 1960-10-04 Spring operated cross bow

Country Status (1)

Country Link
US (1) US3028851A (en)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509863A (en) * 1968-06-07 1970-05-05 Floyd D Barker Spring biased projecting device
US3783852A (en) * 1972-09-28 1974-01-08 R Shepherd Elastic type arrow projecting gun
US3874359A (en) * 1974-07-01 1975-04-01 Louie P Cesin Crossbow with coiled spring force developing means for projecting an article
US4022181A (en) * 1975-09-02 1977-05-10 Fletcher James D Bowstring draw and trigger release apparatus
US4047440A (en) * 1976-07-22 1977-09-13 Manuel Carriera Starter for rope pull outboard motors
US4156417A (en) * 1978-04-05 1979-05-29 Fletcher James D Release device
US4169456A (en) * 1975-07-24 1979-10-02 House Robert M Van Short limb archery bow
US4183345A (en) * 1977-08-01 1980-01-15 Caldwell Joseph M Archer's bow with intermediately pivoted limbs
US4206740A (en) * 1978-11-02 1980-06-10 Lydon Edward B Cross bow pistol
US4258689A (en) * 1976-12-07 1981-03-31 Barnett Bernard T Cross bows
EP0029866A1 (en) * 1979-12-04 1981-06-10 Caldwell, Joseph McGuire Shooting bow
US4388914A (en) * 1981-06-08 1983-06-21 Cesin Louie P Crossbow with coil spring force developing means for projecting an article
US4625705A (en) * 1983-03-28 1986-12-02 Willits William P Bowstring release apparatus
US4649892A (en) * 1985-09-20 1987-03-17 Bozek John W Cross bow with cocking mechanism
US4649891A (en) * 1985-09-20 1987-03-17 Bozek John W Cross bow
US4651707A (en) * 1986-06-30 1987-03-24 Bozek John W Mechanical projector with variable leverage arrangement
US4917071A (en) * 1985-09-20 1990-04-17 Bozek John W Mechanical projector with variable leverage device
US4942861A (en) * 1985-09-20 1990-07-24 Bozek John W Cross bow with improved cocking mechanism
US5150699A (en) * 1989-11-22 1992-09-29 Boissevain Mathew G Compound bow
DE4400290A1 (en) * 1994-01-07 1995-07-13 Johannes Ossege Crossbow for shooting arrows, bolts, spearguns or for anesthesia
US20130312724A1 (en) * 2012-05-23 2013-11-28 Jason M. Hudkins Crossbow with rotating limb pockets
US20160273870A1 (en) * 2013-03-13 2016-09-22 Ravin Crossbows, Llc Cocking Mechanism for a Crossbow
AT518555B1 (en) * 2016-07-20 2017-11-15 Missbach Gerald Tensioning device for a crossbow and crossbow with such a tensioning device
US10670368B1 (en) * 2019-09-02 2020-06-02 Chi-Chang Liu Cocking device for a crossbow
US11181336B2 (en) 2019-09-19 2021-11-23 Krysse As Archery bow operable to change tension
US11226167B2 (en) 2019-01-15 2022-01-18 Krysse As Tension amplifying assembly and method for archery bows
US11262152B2 (en) 2017-07-18 2022-03-01 Krysse As Gear-based limb control system and method for archery bows
US11320230B2 (en) 2019-09-19 2022-05-03 Krysse As Archery device having a motion generator operable for different levels of tension
US11525650B1 (en) * 2020-12-18 2022-12-13 Vision Crossbows LLC Firing system for a crossbow

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980014A (en) * 1942-09-22 1951-05-07 Toy crossbow with articulated arms

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980014A (en) * 1942-09-22 1951-05-07 Toy crossbow with articulated arms

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3509863A (en) * 1968-06-07 1970-05-05 Floyd D Barker Spring biased projecting device
US3783852A (en) * 1972-09-28 1974-01-08 R Shepherd Elastic type arrow projecting gun
US3874359A (en) * 1974-07-01 1975-04-01 Louie P Cesin Crossbow with coiled spring force developing means for projecting an article
US4169456A (en) * 1975-07-24 1979-10-02 House Robert M Van Short limb archery bow
US4022181A (en) * 1975-09-02 1977-05-10 Fletcher James D Bowstring draw and trigger release apparatus
US4047440A (en) * 1976-07-22 1977-09-13 Manuel Carriera Starter for rope pull outboard motors
US4258689A (en) * 1976-12-07 1981-03-31 Barnett Bernard T Cross bows
US4183345A (en) * 1977-08-01 1980-01-15 Caldwell Joseph M Archer's bow with intermediately pivoted limbs
US4156417A (en) * 1978-04-05 1979-05-29 Fletcher James D Release device
US4206740A (en) * 1978-11-02 1980-06-10 Lydon Edward B Cross bow pistol
EP0029866A1 (en) * 1979-12-04 1981-06-10 Caldwell, Joseph McGuire Shooting bow
US4388914A (en) * 1981-06-08 1983-06-21 Cesin Louie P Crossbow with coil spring force developing means for projecting an article
US4625705A (en) * 1983-03-28 1986-12-02 Willits William P Bowstring release apparatus
US4649892A (en) * 1985-09-20 1987-03-17 Bozek John W Cross bow with cocking mechanism
US4649891A (en) * 1985-09-20 1987-03-17 Bozek John W Cross bow
US4917071A (en) * 1985-09-20 1990-04-17 Bozek John W Mechanical projector with variable leverage device
US4942861A (en) * 1985-09-20 1990-07-24 Bozek John W Cross bow with improved cocking mechanism
US4651707A (en) * 1986-06-30 1987-03-24 Bozek John W Mechanical projector with variable leverage arrangement
US5150699A (en) * 1989-11-22 1992-09-29 Boissevain Mathew G Compound bow
US5619979A (en) * 1994-01-07 1997-04-15 Doht Gmbh Crossbow for the shooting of arrows, bolts, harpoons or for narcoticizing purposes
DE4400290A1 (en) * 1994-01-07 1995-07-13 Johannes Ossege Crossbow for shooting arrows, bolts, spearguns or for anesthesia
US20130312724A1 (en) * 2012-05-23 2013-11-28 Jason M. Hudkins Crossbow with rotating limb pockets
US9273922B2 (en) * 2012-05-23 2016-03-01 Jason M. Hudkins Crossbow with rotating limb pockets
US10260835B2 (en) * 2013-03-13 2019-04-16 Ravin Crossbows, Llc Cocking mechanism for a crossbow
US20160273870A1 (en) * 2013-03-13 2016-09-22 Ravin Crossbows, Llc Cocking Mechanism for a Crossbow
US10323899B2 (en) 2016-07-20 2019-06-18 Gerald MISSBACH Tensioning device for a crossbow, and crossbow comprising such a tensioning device
AT518555A4 (en) * 2016-07-20 2017-11-15 Missbach Gerald Tensioning device for a crossbow and crossbow with such a tensioning device
AT518555B1 (en) * 2016-07-20 2017-11-15 Missbach Gerald Tensioning device for a crossbow and crossbow with such a tensioning device
US11262152B2 (en) 2017-07-18 2022-03-01 Krysse As Gear-based limb control system and method for archery bows
US11698240B2 (en) 2017-07-18 2023-07-11 Krysse As Gear-based archery limb control system and method having a motion generator
US11226167B2 (en) 2019-01-15 2022-01-18 Krysse As Tension amplifying assembly and method for archery bows
US11802749B2 (en) 2019-01-15 2023-10-31 Krysse As Motorized archery bow and method
US10670368B1 (en) * 2019-09-02 2020-06-02 Chi-Chang Liu Cocking device for a crossbow
US11181336B2 (en) 2019-09-19 2021-11-23 Krysse As Archery bow operable to change tension
US11320230B2 (en) 2019-09-19 2022-05-03 Krysse As Archery device having a motion generator operable for different levels of tension
US11525650B1 (en) * 2020-12-18 2022-12-13 Vision Crossbows LLC Firing system for a crossbow
US11927424B2 (en) 2020-12-18 2024-03-12 Alan Products Llc Firing system for a crossbow

Similar Documents

Publication Publication Date Title
US3028851A (en) Spring operated cross bow
US3595213A (en) Archery bow with force-multiplying linkage
US3895621A (en) Means mounted on a bowstring tensioning device for releasably holding a bowstring
US2715895A (en) Slingshot
US3989026A (en) Archery bow with balanced adjustable tension
US4282851A (en) Archery bowstring release device
US2842114A (en) Foldable crossbow
CA1237350A (en) Crossbow
US4552121A (en) Archery sights
US4022181A (en) Bowstring draw and trigger release apparatus
CN109863363A (en) Bowstring release device
US4004564A (en) Bow string release
US2943547A (en) Firearm supported camera mount
US5501207A (en) Arm braced slingshot
US4071014A (en) Arrow positioning device
DK150531B (en) SHOCK-ABSORBING ANIMAL FIELDS
US2929372A (en) Wrist draw for archers
US3517658A (en) Archery bows
US2625926A (en) Hand catapult
US3204626A (en) Bow sling
US2965093A (en) Arrow releasing device
US3794012A (en) Archery bow with collapsible bow arm rest
US4156417A (en) Release device
US586713A (en) Henry c
US2592390A (en) Snare