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Patent US4253236A successfully refreshed from Google Patents.
US4253236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade assembly
Assignee: Gillette Co LLC
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Filing: 1979-06-19
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Granted: 1981-03-03
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Expires: 1999-06-19
Abstract
Abstract A razor blade assembly is provided with blade means mounted in a housing adapted to be connected to arms of a razor handle. The housing is provided with journal bearings for receiving journals on the arms of the razor handle. The housing is further provided with cam means at either end thereof. The journal bearing means form a pivot axis for pivotal movement of the razor blade assembly thereabout and the housing cam means is in engagement with biasing means on each arm of the handle when the blade assembly is mounted on the razor handle.
Inventors
- 👤 Chester F. Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:21
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/52; B26B21/521
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
142 words
A razor blade assembly comprising a housing having a guard portion and a cap portion, blade means permanently fixed to said housing, cutting edge portions of said blade means being disposed in an opening between said guard portion and said cap portion, said housing having pivot mounting means therein for receiving complementary pivot mounting means of a razor handle, said housing pivot mounting means forming a pivot axis for pivotal movement of the blade assembly thereabout during a shaving operation, and cam means disposed on said housing at an end thereof, said cam means comprising a generally V-shaped outwardly-facing recess on said end of said blade assembly housing and being adapted for engagement with biasing means of said razor handle when said blade assembly is mounted on said handle, said recess being removed from but proximate one of said pivot mounting means.
Claim 2
Dependent Claim
142 words
A razor blade assembly comprising a housing having a guard portion and a cap portion, blade means permanently fixed to said housing, cutting edge portions of said blade means being disposed in an opening between said guard portion and said cap portion, said housing having pivot mounting means therein for receiving complementary pivot mounting means of a razor handle, said housing pivot mounting means forming a pivot axis for pivotal movement of the blade assembly thereabout during a shaving operation, and cam means disposed on said housing at an end thereof, said cam means comprising a generally V-shaped outwardly-facing recess on said end of said blade assembly housing and being adapted for engagement with biasing means of said razor handle when said blade assembly is mounted on said handle, said recess being removed from but proximate one of said pivot mounting means.
Claim 3
Dependent Claim
17 words
The invention in accordance with claim 1 in which said housing pivot mounting means comprise journal bearings.
Claim 4
Dependent Claim
28 words
The invention in accordance with claim 1 in which said blade assembly pivot mounting means and said blade assembly cam means are integral portions of said blade assembly.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-02 | 1984-09-01 | 1985-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-02 | 1988-09-01 | 1989-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-02 | 1992-09-01 | 1993-03-03 | $7700.00 | Window Closed / Lapsed |