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US 4,070,783 AGranted
Thumb trigger and automatic safety
OwnerWalter William Edwardsinventor
Life of this patent
Estimating the term…
Abstract
A thumb trigger and automatic safety are provided for firearms. The automatic safety may be adapted to the gun or stock and is operable by spring loaded means provided on an upper portion of the firearm. Operation of the spring loaded safety and push button is by pressure from the thumb.
Claims10
A thumb trigger and automatic safety comprising:
- a partially enclosed casing having four tabs for locating two pivot points thereon, a swinging large arm pivoted about a pivot pin and secured thereby between two of said tabs near the front of said casing, said large arm having a clearance hole at said pivot point for receiving said pivot pin therein, said large arm having a radius slot therein for receiving a strike from a roller bearing, said large arm having a pin extending upwardly therefrom into a vertically oriented cylindrical tube containing a compression spring, said large arm extending toward the front end of the partially enclosed casing, said large arm having an angled bend at one end thereof for engaging a firing striker, and means for mounting said casing in a firearm for actuation by a thumb trigger.
Dependencies are inferred from the claim text.