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US 11,112,197 B2Granted
Pivot pin
OwnerJames Matthew Underwood, Larry Cullen Underwoodinventors
Life of this patent
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Abstract
A pivot pin for a firearm includes a proximal end, a distal end, a cylindrical surface extending between the proximal end and the distal end, a head disposed at the distal end where the head includes a flat portion, a groove extending along at least a portion of a length of the cylindrical surface, and a hole extending through the pivot pin. The hole is located between the groove and the proximal end.
Claims17
A pivot pin for a firearm, the pivot pin comprising:
- a proximal end;
- a distal end;
- a cylindrical surface extending between the proximal end and the distal end;
- a head disposed at the distal end, the head comprising a flat portion;
- a groove extending along at least a portion of a length of the cylindrical surface, the groove comprising a first recess and a second recess;
- and
- a hole extending through the pivot pin, wherein the hole is located between the groove and the proximal end and the hole is designed for a detent to pass through the hole,
- wherein at least one selected from the group of the first recess and the second recess comprises a through hole;
- and
- wherein at least part of the through hole is smaller in diameter than the detent.
7 more elements
A pivot pin assembly for installation into a receiver of a firearm, the pivot pin assembly comprising:
- a pivot pin;
- a detent;
- and
- a detent spring,
- wherein the pivot pin comprises:
- a proximal end;
- a distal end;
- a cylindrical surface extending between the proximal end and the distal end;
- a groove extending along at least a portion of a length of the cylindrical surface, the groove comprising a first recess and a second recess;
- and
- a hole extending through the pivot pin, wherein the hole is located between the groove and the proximal end,
- wherein at least one selected from the group of the first recess and the second recess comprises a through hole;
- and
- wherein at least part of the through hole is smaller in diameter than the detent.
11 more elements
Dependencies are inferred from the claim text.