The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 31, 1976

Filed:

Dec. 04, 1974
Applicant:
Inventors:

Stanley D Silsby, Granby, MA (US);

Henry J Tatro, Westfield, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41D / ;
U.S. Cl.
CPC ...
89198 ;
Abstract

A recoil assembly for an automatic firearm, including a reciprocating bolt and carrier assembly, has a hydraulic buffer to provide a reduced rate of fire and prevent wide fluctuation in the round to round rate of fire. The buffer includes a piston which pushes hydraulic fluid through an orifice when depressed by the bolt and carrier assembly at the end of its recoil stroke. When the bolt and carrier assembly begins to displace the piston, hydraulic retardation is immediate. A spring loaded sliding seal pushes the hydraulic fluid through the orifice during the return stroke which returns the piston to its original extended position. The buffer also prevents carrier bounce and promotes a mild recoil shock.


Find Patent Forward Citations

Silsby, Stanley. (1976). Hydraulic buffer assembly for automatic or semiautomatic firearm (U.S. Patent No. 3977296). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3977296

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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