US4498235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade assembly
Assignee: Gillette Co LLC
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Filing: 1983-08-02
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Granted: 1985-02-12
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Expires: 2003-08-02
Abstract
Abstract A razor blade assembly comprising a blade disposed between skin engaging elements adapted in operation to engage a surface being shaved ahead and behind, respectively, of the blade, the blade being movable relative to the elements in response to forces encountered during a shaving operation, the blade assembly having pivot mountings thereon for pivotal attachment to a razor handle, whereby the blade assembly, as a whole, may be pivotally movable on a handle in response to forces encountered during the shaving operation.
Inventors
- 👤 Chester F. Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:04
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/22; B26B21/222; B26B21/227; B26B21/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
338 words
A razor blade assembly comprising a body member having first and second end portions interconnected by front and back wall portions, first and second frame portions interconnecting said front and back wall portions, said end portions having therein opposed slots, a first pair of spring fingers extending outwardly from said frame portions parallel to said front and back wall portions and in opposite directions, said fingers being aligned with a first pair of said slots, a second pair of spring fingers extending inwardly from said end portions, and in generally opposite directions toward one another, said second pair of spring fingers being aligned with a second pair of said slots, a third pair of spring fingers extending inwardly from said end portions, and in generally opposite directions toward one another, said third pair of spring fingers being aligned with a third pair of said slots, a quard portion mounted on said first pair of spring fingers and disposed in said first pair of slots, and first and second blade members having, respectively, first and second cutting edges parallel with each other and facing a same direction to act in tandem upon a surface being shaved, said blade members being disposed in said second and third pairs of slots, respectively and resting upon said second and third pairs of spring fingers, respectively, said first and second blade members and said guard portions each being independently movable relative to the body member in response to forces encountered during a shaving operation by flexure of said spring fingers, the blade assembly having pivot mounting means thereon for pivotal attachment to a razor handle assembly, whereby the blade assembly, as a whole, is pivotally movable on said handle assembly in response to forces encountered during the shaving operation, and cam means disposed on an underside of said body member and adapted to receive a cam follower mounted on said razor handle to maintain maximum contact between said surface being shaved and said independently movable first and second blade members and guard portion.
Claim 2
Dependent Claim
338 words
A razor blade assembly comprising a body member having first and second end portions interconnected by front and back wall portions, first and second frame portions interconnecting said front and back wall portions, said end portions having therein opposed slots, a first pair of spring fingers extending outwardly from said frame portions parallel to said front and back wall portions and in opposite directions, said fingers being aligned with a first pair of said slots, a second pair of spring fingers extending inwardly from said end portions, and in generally opposite directions toward one another, said second pair of spring fingers being aligned with a second pair of said slots, a third pair of spring fingers extending inwardly from said end portions, and in generally opposite directions toward one another, said third pair of spring fingers being aligned with a third pair of said slots, a quard portion mounted on said first pair of spring fingers and disposed in said first pair of slots, and first and second blade members having, respectively, first and second cutting edges parallel with each other and facing a same direction to act in tandem upon a surface being shaved, said blade members being disposed in said second and third pairs of slots, respectively and resting upon said second and third pairs of spring fingers, respectively, said first and second blade members and said guard portions each being independently movable relative to the body member in response to forces encountered during a shaving operation by flexure of said spring fingers, the blade assembly having pivot mounting means thereon for pivotal attachment to a razor handle assembly, whereby the blade assembly, as a whole, is pivotally movable on said handle assembly in response to forces encountered during the shaving operation, and cam means disposed on an underside of said body member and adapted to receive a cam follower mounted on said razor handle to maintain maximum contact between said surface being shaved and said independently movable first and second blade members and guard portion.
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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) | 1988-02-12 | 1988-08-13 | 1989-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-12 | 1992-08-13 | 1993-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-12 | 1996-08-13 | 1997-02-12 | $7700.00 | Window Closed / Lapsed |