Stock assembly for firearm

• US 4,654,993 A
• Filed: 10/04/1985
• Issued: 04/07/1987
• Est. Priority Date: 08/08/1984
• Status: Expired due to Term

• Current Assignee: Maxwell G. Atchisson
• Original Assignee: Maxwell G. Atchisson
• Inventors: Atchisson, Maxwell G.
• Primary Examiner(s): Bentley, Stephen C.
• Application Number:
  US06/784,155
• Time in Patent Office: 550 Days
• Field of Search: 42/71 R, 42/75 A, 42/75 C
• US Class Current: 42/71.01
• CPC Class Codes: F41A 17/16 Cook-off prevention, i.e. prevention of spontaneous firing of a cartridge by chamber wall heat
• CPC Class Codes: F41A 17/46 Trigger safeties, i.e. means for preventing trigger movement F41A17/02 - F41A17/40 take precedence
• CPC Class Codes: F41A 19/46 Arrangements for the selection of automatic or semi-automatic fire
• CPC Class Codes: F41A 3/72 Operating handles or levers; Mounting thereof in breech-blocks or bolts F41C7/02, F41C7/06 take precedence
• CPC Class Codes: F41G 1/06 Rearsights

Abstract

A firearm stock assembly having two substantially hollow stock shells enclosing the sides of the firearm assembly. The stock shells separate along parting lines on the top and bottom, for removal from the firearm. The forward ends of the stock shells engage studs on the firearm to retain the stock shells in place. The back end of each stock shell is removably secured to the buttplate of the firearm.

Claims

1. Firearm apparatus comprising:

means defining a butt at the back of the firearm;

front means disposed in predetermined location adjacent the muzzle end of the firearm;

a pair of mutually separable stock halves each extending longitudinally from said butt means to said front means;

each such stock half enclosing a side portion of the firearm along the entire enclosed length of the firearm, and the stock halves mutually confronting each other along substantially longitudinal parting lines;

means associated with either said butt means or said front means to engage the one ends of said stock halves and hold the stock halves in place against lateral displacement away from said firearm;

latch means associated with the other of said butt means and said front means, and selectably operative to engage and secure the other ends of said stock halves against lateral movement, so that said stock halves are retained on the firearm;

a pistol grip on the under side of the firearm;

said pistol grip formed by mating portions of said stock halves extending downwardly from the side portions of the stock halves and mutually confronting along a grip parting line;

a stock catch member selectively movable to either a first or a second position at a predetermined location on said pistol grip along the grip parting line; and

said stock catch member and said pistol grip having mutually engaging means cooperative to hold together said grip mating portions in said first position of the stock catch member, and operative to release the grip mating portion in said second position of the stock catch member.

2. Apparatus as in claim 1, wherein:

each said grip mating portion has a flange at said predetermined location and confronting a mating flange on the other grip mating portion;

said stock catch member is supported by the firearm in certain relation to said mating flanges; and

said stock catch when in said first position engages said flanges and thereby holds together said grip mating portions.

3. Firearm apparatus comprising:

means defining a butt at the back of the firearm;

front means disposed in predetermined location adjacent the muzzle end of the firearm;

a pair of stock halves each extending longitudinally from said butt means to said front means;

each such stock half enclosing a side portion of the firearm along the entire enclosed length of the firearm, and the stock halves mutually confronting each other along substantially longitudinal parting lines;

means associated with either said butt means or said front means to engage the one ends of said stock halves and hold the stock halves in place against lateral displacement away from said firearm;

latch means associated with the other of said butt means and said front means, and selectably operative to engage and secure the other ends of said stock halves against lateral movement, so that said stock halves are retained on the firearm;

each stock half including at lest one flange located between said front end and back end along the parting line and confronting a mating flange of the other stock half;

catch means on the firearm and selectably operative to engage said confronting flanges, so as to further secure the stock halves in place on the firearm;

said catch means comprising a pair of laterally spaced apart members extending upwardly through said stock halves in proximate relation to said confronting flanges; and

said catch means being operatively associated with aid laterally spaced apart members outside said stock halves and being selectably movable either to engage said flanges or to release said flanges.

4. Firearm apparatus comprising:

means defining a butt at the back of the firearm;

front means disposed in predetermined location adjacent the muzzle end of the firearm;

a pair of stock halves each extending longitudinally from said butt means to said front means;

each such stock half enclosing a side portion of the firearm along the entire enclosed length of the firearm, and the stock halves mutually confronting each other along substantially longitudinal parting lines;

means associated with either said butt means or said front means to engage the one ends of said stock halves and hold the stock halves in place against lateral displacement away from said firearm;

latch means associated with the other of said butt means and said front means, and selectably operative to engage and secure the other ends of said stock halves against lateral movement, so that said stock halves are retained on the firearm;

said stock half engaging means associated with either the butt means or the front means including an enlarged stock engaging member extending laterally outwardly therefrom; and

each stock half having a slotted opening formed at one end thereof in position to receive said stock engaging member, so that the stock half is moved longitudinally to place said slotted opening in engagement with the corresponding enlarged stock engaging member

after which the other end of each stock half is engaged by said latch means.

5. Firearm apparatus comprising:

means defining a butt at the back of the firearm;

front means disposed in predetermined location adjacent the muzzle end of the firearm;

a pair of stock halves each extending longitudinally from said butt means to said front means;

each such stock half enclosing a side portion of the side portion of the firearm along the entire enclosed length of the firearm, and the stock halves mutually confronting each other along substantially longitudinal parting lines;

means associated with either said butt means or said front means to engage the one ends of said stock halves and hold the stock halves in place against lateral displacement away from said firearm;

latch means associated with the other of said butt means and said front means, and selectably operative to engage and secure the other ends of said stock halves against lateral movement, so that said stock halves are retained on the firearm;

at least one stock catch means located on said firearm between said butt means and said front means;

said stock catch means selectably engaging and holding together said stock halves at a location along one of said complementary parting lines, so as to further secure and stock halves against lateral movement;

a pistol grip on the under side of the firearm;

said pistol grip formed by mating portions of said stock halves extending downwardly from the side portions of the stock halves and mutually confronting along a grip parting line;

said stock catch means comprising a stock catch member located in selectively movable relation to a predetermined location on said pistol grip along the grip parting line;

said stock catch member and said pistol grip having mutually engaging means operative to hold together said grip mating portions in one position of the stock catch member and operative to release the grip mating portion in another position of the stock catch member;

each said grip mating portion having a flange at said predetermined location and confronting a mating flange on the other grip mating portion;

said stock catch means being supported by the firearm in certain relation to said mating flanges;

said stock catch means being selectively operable to engage said flanges and thereby hold together said grip mating portions;

said firearm comprising a frame member extending outside said pistol in proximate relation to said mating flanges;

said stock catch means being carried by said frame member in slidable relation to said grip; and

said stock catch means comprising a member selectably operative to engage said flanges in response to sliding displacement of said stock catch means.

6. Firearm apparatus comprising:

means defining a butt at the back of the firearm;

front means disposed in predetermined location adjacent the muzzle end of the firearm;

a pair of stock halves each extending longitudinally from said butt means to said front means;

each such stock half enclosing a side portion of the firearm along the entire enclosed length of the firearm, and the stock halves mutually confronting each other along substantially longitudinal parting lines;

means associated with either said butt means or said front means to engage the one ends of said stock halves and hold the stock halves in place against lateral displacement away from said firearm;

latch means associated with the other of said butt means and said front means, and selectably operative to engage and secure the other ends of said stock halves against lateral movement, so that said stock halves are retained on the firearm;

said stock half engaging means associated with either the butt means or the front means including an enlarged stock engaging member extending laterally outwardly therefrom; and

each stock half having an engagement element formed at one end thereof complementary with said stock engaging member and in position to engage said stock engaging member, so that the stock half is moved longitudinally to place said engagement element in engagement with the corresponding enlarged stock engaging member

after which the other end of each stock half is engaged by said latch means.