Receiver assembly for firearm

• US 9,163,889 B2
• Filed: 07/21/2014
• Issued: 10/20/2015
• Est. Priority Date: 01/10/2007
• Status: Expired due to Fees

• Current Assignee: Smith & Wesson Corporation (Smith & Wesson Brands, Inc.)
• Original Assignee: Smith & Wesson Corporation (Smith & Wesson Brands, Inc.)
• Inventors: Constant, Robert L., Picard, Richard A., Pliska, John
• Primary Examiner(s): CLEMENT, MICHELLE RENEE
• Application Number:
  US14/336,092
• Publication Number:
  US 20150247689A1
• Time in Patent Office: 456 Days
• Field of Search: 42/690.1, 42/750.2, 42/750.1
• US Class Current: 1/1
• CPC Class Codes: F41A 21/482 using continuous threads on the barrel
• CPC Class Codes: F41A 3/12 Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
• CPC Class Codes: F41A 3/22 the locking being effected by rotating the operating handle or lever transversely to the barrel axis
• CPC Class Codes: F41A 3/66 Breech housings or frames; Receivers
• CPC Class Codes: F41G 11/003 Mountings with a dove tail element, e.g. "Picatinny rail systems"
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

A receiver assembly includes a bolt, a receiver having a threaded portion receiving a barrel, a barrel having a threaded portion engaged with the threaded portion of the receiver, and a crush washer positioned over the threaded portions between the barrel and the receiver to permit adjustment of the barrel relative to the receiver to achieve a proper headspacing.

Claims

1. A firearm, comprising:

a stock;

a receiver mounted on said stock, said receiver having a threaded portion at a forward end thereof;

a barrel affixed to said forward end of said receiver, said barrel having a threaded portion engaged with said threaded portion of said receiver;

a crush washer having a smooth surface defining a bore for receiving said threaded portion of said barrel, said crush washer further having a recoil lug extending therefrom, said crush washer being located between said barrel and said receiver when said threaded portion of said barrel is received within said bore; and

wherein said barrel is threadedly adjustable about said crush washer.

2. The firearm of claim 1, wherein said crush washer is compressed and deformed between said barrel and said receiver.

3. The firearm of claim 1, wherein said threaded portion of said barrel comprises external threads.

4. A receiver assembly for a firearm, said receiver assembly comprising:

a threaded portion at a forward end thereof;

a barrel affixed to said forward end of said receiver, said barrel having a threaded portion engaged with said threaded portion of said receiver;

a crush washer having a smooth surface defining a bore for receiving said threaded portion of said barrel, said crush washer further having a recoil lug extending therefrom, said crush washer being located between said barrel and said receiver when said threaded portion of said barrel is received within said bore; and

wherein said barrel is threadedly adjustable about said crush washer.

5. The receiver assembly of claim 4, wherein said crush washer is compressed and deformed between said barrel and said receiver.

6. The receiver assembly of claim 4, wherein said threaded portion of said barrel comprises external threads.

7. The receiver assembly of claim 4, further comprising a bolt movably mounted on said receiver.