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US 4,010,566 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.
Claims8
A thumb trigger and automatic safety comprising:
- a casing having two tabs for locating a pivot point thereon, a swinging arm pivoted about a pivot pin and secured thereby between said tabs, said arm having a clearance hole at said pivot point for receiving said pivot pin therein, said arm having a slot therein for receiving a perpendicular shaft, said arm having a hole therein for receiving a press fitted pin, said arm having a boss extending downwardly therefrom into a vertically oriented cylindrical tube containing a compression spring, said arm extending through a slot in a partially enclosed bracket mounted on said casing, said 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.