Patent US4096979A successfully refreshed from Google Patents.
US4096979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt buckle knife
Assignee: Individual
•
Filing: 1976-11-22
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Granted: 1978-06-27
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Expires: 1996-11-22
Abstract
Abstract A combination belt buckle and knife for use with a belt as an attractive article of wear, and wherein a knife blade concealed within a recess of the belt buckle is removably detached from a base member of the buckle, with the cover plate for the base member recess serving as a handle for the knife blade in use.
Inventors
- 👤 Walter W. Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:28
CPC Classifications
B; B26; B26B; B26B1/00; A; A45; A45C; A45C11/00; A45F; A45F5/00; Y; Y10; Y10T; Y10T24/00; Y10T24/40; Y10T24/4098
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
135 words
A combination belt buckle and knife comprising a base member having a recess therein, means on said base member for attaching opposite ends of a belt thereto, a cover plate for said base member recess, means for removably attaching said cover plate to said base member in overlying relation with said recess, a knife blade, and means mounting said knife blade on the inside face of said cover plate for movement between a first position overlying the inside face of said cover plate whereby said knife blade is receivably concealed within said recess of said base member when said cover plate is attached to said base member, and a second position extending outwardly from said cover plate whereby said cover plate upon removal from said base plate serves as a handle for said knife blade.
Claim 2
Dependent Claim
135 words
A combination belt buckle and knife comprising a base member having a recess therein, means on said base member for attaching opposite ends of a belt thereto, a cover plate for said base member recess, means for removably attaching said cover plate to said base member in overlying relation with said recess, a knife blade, and means mounting said knife blade on the inside face of said cover plate for movement between a first position overlying the inside face of said cover plate whereby said knife blade is receivably concealed within said recess of said base member when said cover plate is attached to said base member, and a second position extending outwardly from said cover plate whereby said cover plate upon removal from said base plate serves as a handle for said knife blade.
Claim 3
Dependent Claim
27 words
A device as defined in claim 1 including means on said inside face of said cover plate for releasably locking said knife blade in said second position.
Claim 4
Dependent Claim
61 words
A device as defined in claim 1 wherein said knife blade includes a tang portion, and wherein said mounting means for said knife blade includes means mounted on the inside face of said cover plate and operatively connected to said tang portion of the knife blade for pivotal movement of said knife blade from said first position to said second position.
Claim 5
Dependent Claim
71 words
A device as defined in claim 3 wherein said tang portion of the knife blade includes an opening, and wherein said means mounted on said inside face of said cover plate comprises a pivot pin extending outwardly from said face and received in said tang opening to permit pivotal movement of said blade between said first and second positions in a plane substantially parallel to the plane of said cover plate.
Claim 6
Dependent Claim
67 words
A device as defined in claim 4 further including shoulder means on the peripheral edge of said tang portion, a locking arm movably mounted on said inside face of said cover plate, said locking arm having a detent removably engageable with said shoulder means on said tang portion when said blade is in said second position to prevent pivotal movement of said blade about said pivot pin.
Claim 7
Dependent Claim
50 words
A device as defined in claim 5 including means biasingly urging said locking arm detent into engagement with the periphery of said tang portion during pivotal movement of said blade, such that said detent is maintained in engagement with said shoulder means when said blade is in said second position.
Claim 8
Dependent Claim
45 words
A device as defined in claim 6 wherein said biasing means comprises compression spring means attached to said cover plate and engaging an opposite end of said locking arm from said detent to urge said detent into engagement with the periphery of said tang portion.
Claim 9
Dependent Claim
42 words
A device as defined in claim 6 wherein said biasing means comprises leaf spring means operatively attached to said cover plate and engaging said locking arm to urge said detent into engagement with the periphery of the tang portion of the blade.
Claim 10
Dependent Claim
84 words
A device as defined in claim 5 wherein said detent is on an end portion of said locking arm, and including pivot means connecting a mid portion of said locking arm to said plate for pivotal movement, and spring means operatively mounted on said plate and engaging the opposite end portion of said locking arm from said detent for biasingly urging said detent into engagement with the peripheral edge of said tang portion during movement of said blade between said first and second positions.
Claim 11
Dependent Claim
43 words
A device as defined in claim 5 including second shoulder means on a peripheral edge portion of said blade for engagement with said detent to prevent pivotal movement of the blade beyond said first position in a direction away from said second position.
Claim 12
Dependent Claim
111 words
A device as defined in claim 1 wherein said base member includes means defining peripheral walls of said recess, and wherein said means for removably attaching said cover plate to said base member comprises resiliently deformable rod means attached to said base member and spanning said recess adjacent one side portion thereof, an undercut groove in an opposite wall portion of said recess from said rod means, finger-like means on the inside face of said cover plate for engaging said rod means in partially surrounding relation thereto, with a portion of said tang portion of said blade residing within said undercut groove to retain said cover plate on said base member.
Claim 13
Dependent Claim
36 words
A device as defined in claim 1 wherein said cover plate has serrated peripheral edge portions to facilitate retention of said cover plate in the hand when said blade is in said second position for use.
References Cited (Backward Citations)
US1508963A
Cited
US1614949A
Cited
US1969100A
Cited
US2162654A
Cited
US2618057A
Cited
US3026642A
Cited
US3559854A
Cited
US3783509A
Cited
US3823421A
Cited
US3924304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |