US4092794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for guns
Assignee: Individual
•
Filing: 1977-02-22
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Granted: 1978-06-06
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Expires: 1997-02-22
Abstract
Abstract The safety device of the present invention comprises a longitudinally extensible element adapted to be placed in one chamber of a revolver type gun so that the cylinder can be closed and the device positioned to extend through the chamber into the bore of the barrel to prevent the cylinder from rotating thus preventing the gun from being operated. The device is designed so that it must be rotated within the gun barrel to remove it from the gun so that individuals not knowing how the device operates cannot easily remove the device from the gun.
Inventors
- 👤 Robert D. Moren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:34
CPC Classifications
A; A63; A63H; A63H5/00; A63H5/04; F; F41; F41A; F41A17/00; F41A17/44
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
169 words
In a safety device for a gun having a firing pin, a barrel defining a bore, and a firing chamber for receiving ammunition in alignment with the bore of the barrel of the gun, said safety device including a generally cylindrical open ended shell element adapted to be placed in the firing chamber, a generally cylindrical slide member telescopically receivable in the shell element and resilient means for biasing the slide member outwardly of the shell element, the improvement comprising, means operatively interconnecting the shell element and slide member for selectively allowing and preventing relative axial movement by rotating the shell element and slide member relative to each other, said interconnecting means including a generally L-shaped slot in the cylindrical wall of one of said shell element and slide member and a protrusion on the cylindrical wall of the other of said shell element and slide member with the protrusion adapted to protrude into said slot to control the relative rotative positions of the shell element and slide member.
Claim 2
Dependent Claim
169 words
In a safety device for a gun having a firing pin, a barrel defining a bore, and a firing chamber for receiving ammunition in alignment with the bore of the barrel of the gun, said safety device including a generally cylindrical open ended shell element adapted to be placed in the firing chamber, a generally cylindrical slide member telescopically receivable in the shell element and resilient means for biasing the slide member outwardly of the shell element, the improvement comprising, means operatively interconnecting the shell element and slide member for selectively allowing and preventing relative axial movement by rotating the shell element and slide member relative to each other, said interconnecting means including a generally L-shaped slot in the cylindrical wall of one of said shell element and slide member and a protrusion on the cylindrical wall of the other of said shell element and slide member with the protrusion adapted to protrude into said slot to control the relative rotative positions of the shell element and slide member.
Claim 3
Dependent Claim
33 words
In the safety device of claim 1, said slot being a closed slot so that the operative relationship of the slot and protrusion serves to hold the slide member in the shell element.
Claim 4
Dependent Claim
87 words
In the safety device of claim 2, said slot having a first leg extending longitudinally of the element in which it is formed and a second leg extending generally perpendicularly to said first slot such that when said protrusion is positioned in said second leg of the slot the shell element and slide member will be retained in an extended relationship but when the protrusion is in the first leg of the slot the shell element and slide member will be longitudinally movable relative to each other.
Claim 5
Dependent Claim
39 words
In the safety device of claim 3, said slot being formed in the shell element with the second leg of the slot being adjacent to the open end of the shell element through which the slide member is movable.
Claim 6
Dependent Claim
57 words
In the safety device of claim 4, said device further including a cam surface at the juncture of the first and second legs of said slot, said cam surface cooperating with said resilient means in urging the protrusion into the second leg of the slot when said shell element and slide member are in an undisturbed condition.
Claim 7
Dependent Claim
37 words
In the safety device of claim 5 wherein said resilient means comprises a compression spring retained in said shell element to bias the slide member outwardly of the end of the shell element through which it protrudes.
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) | 1981-06-05 | 1981-12-05 | 1982-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-05 | 1985-12-05 | 1986-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-05 | 1989-12-05 | 1990-06-06 | $7700.00 | Window Closed / Lapsed |