Patent US816187A successfully refreshed from Google Patents.
US3601918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing pin safety mechanism
Assignee: Carl Walther GmbH
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Filing: 1970-01-22
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Granted: 1971-08-31
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Expires: 1990-01-22
Abstract
Abstract A firing pin having a transverse groove is secured in a locked position by a spring-loaded thrust member moveable transversely to the firing pin through the groove. The thrust member is also provided with a transverse groove through which the firing pin moves when disengaged. An inclined surface on the thrust member adjacent the groove cams against an inclined surface on a rear edge of the firing pin groove to move the firing pin rearwardly and secure the firing pin against movement. The thrust member is actuated by a locking slide slideably mounted on the exterior of the firearm.
Inventors
- 👤 Dieter Keppeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:08
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/64
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
134 words
A firing pin safety mechanism for firearms comprising a firing pin mounted for longitudinal movement within the firearm and having a transverse groove therethrough, a rear edge of the groove having an inclined surface, a spring-loaded thrust member moveable transversely to said firing pin through said firing pin groove, said thrust member having a transverse groove therein to receive said firing pin, an inclined surface on said thrust member adjacent its groove engageable with said firing pin inclined surface, the spring-loaded thrust member being urged into the position wherein said grooves are aligned and said firing pin is free to move, and means operable exteriorly of the firearm for moving said spring-loaded thrust member to engage said inclined surfaces to cam the firing pin rearwardly so that the firing pin is secured against movement.
Claim 2
Dependent Claim
134 words
A firing pin safety mechanism for firearms comprising a firing pin mounted for longitudinal movement within the firearm and having a transverse groove therethrough, a rear edge of the groove having an inclined surface, a spring-loaded thrust member moveable transversely to said firing pin through said firing pin groove, said thrust member having a transverse groove therein to receive said firing pin, an inclined surface on said thrust member adjacent its groove engageable with said firing pin inclined surface, the spring-loaded thrust member being urged into the position wherein said grooves are aligned and said firing pin is free to move, and means operable exteriorly of the firearm for moving said spring-loaded thrust member to engage said inclined surfaces to cam the firing pin rearwardly so that the firing pin is secured against movement.
Claim 3
Dependent Claim
32 words
A firing pin safety mechanism as claimed in claim 1 and comprising means engageable with said thrust member for locking said thrust member in the position securing said firing pin against movement.
Claim 4
Dependent Claim
85 words
A firing pin safety mechanism as claimed in claim 1 wherein said thrust member has a pair of intersecting sloping surfaces on an end thereof, said thrust member moving means comprising a slideable shaft transverse to said firing pin and moveable parallel thereto, a roller on one end of the thrust member moving means engageable with said thrust member sloping surfaces, the movement of said moving means moving said roller upon said sloping surfaces to move the thrust member into the secured and disengaged positions.
Claim 5
Dependent Claim
29 words
A firing pin safety mechanism as claimed in claim 3 and comprising a locking slide connecTed to said moving means shaft and slideable on the exterior of the firearm.
Claim 6
Dependent Claim
53 words
A firing pin safety mechanism as claimed in claim 4 and comprising a cylindrical pin fixed within the firearm and passing through a transverse opening in said moving means shaft to define a first slide guide, and second slide guide means on the exterior of the firearm slideably supporting said locking slide thereon.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |