US3838533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer deactivator means
Assignee: Sturm Ruger and Co Inc
•
Filing: 1973-10-12
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Granted: 1974-10-01
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Expires: 1993-10-12
Abstract
Abstract A firearm having an external hammer pivotally mounted on the frame in position to strike a firing pin also mounted in the frame is provided with a hammer having means for striking the firing pin combined with means for deactivating the hammer. The combined hammer deactivator and firing pin striker means is pivotally mounted on the hammer in line with the firing pin. The deactivator and striker is rotatable from a hammer deactivated position to a firing pin striking position and return, said deactivator and striker being formed with a deactivator recess that is adapted to receive the rearward end of the firing pin when the deactivator and striker is at its hammer deactivated position and being formed with a firing pin striker surface that is adapted to contact the rearward end of the firing pin and press it forwardly when the deactivator and striker is at its firing pin striking position.
Inventors
- 👤 W Ruger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:42
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/74
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
196 words
In a firearm having a frame, an external hammer pivotally mounted on the frame, a cartridge-receiving chamber located in front of the hammer, and a firing pin mounted in the frame in position to strike a cartridge received in said chamber, the rearward end of the firing pin extending rearwardly with respect to the frame in position to be struck by said hammer, the improvement comprising a combined hammer deactivator and firiNg pin striker pivotally mounted on the hammer in line with the firing pin, said deactivator and striker being movable from a hammer deactivated position to a firing pin striking position and return, said deactivator and striker being formed with a deactivator recess that is adapted to receive the rearward end of the firing pin when the deactivator and striker is at its hammer deactivated position and being formed with a firing pin striker surface that is adapted to contact the rearward end of the firing pin and press it forwardly when the deactivator and striker is at its firing pin striking position, and detent means releasably detaining the pivoted deactivator and striker in its hammer deactivated position and in its firing pin striking position.
Claim 2
Dependent Claim
196 words
In a firearm having a frame, an external hammer pivotally mounted on the frame, a cartridge-receiving chamber located in front of the hammer, and a firing pin mounted in the frame in position to strike a cartridge received in said chamber, the rearward end of the firing pin extending rearwardly with respect to the frame in position to be struck by said hammer, the improvement comprising a combined hammer deactivator and firiNg pin striker pivotally mounted on the hammer in line with the firing pin, said deactivator and striker being movable from a hammer deactivated position to a firing pin striking position and return, said deactivator and striker being formed with a deactivator recess that is adapted to receive the rearward end of the firing pin when the deactivator and striker is at its hammer deactivated position and being formed with a firing pin striker surface that is adapted to contact the rearward end of the firing pin and press it forwardly when the deactivator and striker is at its firing pin striking position, and detent means releasably detaining the pivoted deactivator and striker in its hammer deactivated position and in its firing pin striking position.
Claim 3
Dependent Claim
61 words
The firearm according to claim 1 in which the hammer is formed with a forwardly projecting nose portion that rests against a rearward facing surface of the frame when the hammer is at its rest position, thereby maintaining the deactivator out of contact with the firing pin when the hammer deactivator and firing pin striker is at its hammer deactivated position.
Claim 4
Dependent Claim
27 words
The firearm according to claim 1 in which the hammer is formed with a slot in which the pivoted hammer deactivator and firing pin striker is received.
Claim 5
Dependent Claim
47 words
The firearm according to claim 1 in which the detent means comprises a detent plunger and spring mounted in a bore formed in the hammer, and a deactivated position detent notch and a firing position detent notch formed in the periphery of the pivoted deactivator and striker.
Claim 6
Dependent Claim
26 words
The firearm according to claim 1 in which the firearm is a revolver having a cylinder rotatably mounted on the frame in front of the hammer.
Claim 7
Dependent Claim
49 words
The firearm according to claim 1 in which the pivoted hammer deactivator and firing pin striker is formed with a hammer contacting surface that rests against a forward facing striker stop surface formed in the hammer when the pivoted deactivator and striker is at its firing pin striking position.
Claim 8
Dependent Claim
99 words
The firearm according to claim 1 in which the pivoted hammer deactivator and firing pin striker means is provided with an upper projection and with a lower projection, in which said upper projection projects above the adjacent upper surface of the hammer in position to be depressed by the normal hammer cocking motion of the shooter''s thumb when said deactivator and striker means is at its hammer deactivated position, and in which said lower projection extends downwardly in position to be pressed upwardly by the shooter when said deactivator and striker means is at its firing pin striking position.
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) | 1977-09-30 | 1978-04-01 | 1978-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-30 | 1982-04-01 | 1982-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-30 | 1986-04-01 | 1986-10-01 | $7700.00 | Window Closed / Lapsed |