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US4337575A
Expired / Lapsed
US
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Razor blade assembly
Assignee: Gillette Co LLC
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Filing: 1981-01-29
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Granted: 1982-07-06
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Expires: 2001-01-29
Abstract
Abstract A razor blade assembly comprising a cap portion and a base portion, a first arm extending from the base portion and joining a guard portion extending generally parallel to the base portion, a second arm extending from the base portion toward the guard portion, and a blade disposed on the second arm, the arm being leaf spring-like structures permitting movement of the guard portion and the blade relative to the base portion and cap portion during a shaving operation.
Inventors
- 👤 Robert A. Trotta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:34
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/54; B26B21/08; B26B21/14; B26B21/22; B26B21/222; B26B21/227
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
243 words
A razor blade assembly comprising a platform including a base portion, a cap portion fixed to said platform, first arm means extending from said base portion and connected to a guard portion, said first arm means being adapted to flex about its juncture with said base portion to facilitate arcuate movement of said guard portion about said base portion, a first blade comprising a first cutting edge strand portion and a first base strand portion parallel to and spaced from said first cutting edge strand portion, said first cutting edge and first base strand portions being connected to each other by first interconnecting strand portions, a second set of arms extending from said base portion and supporting said first blade, said second set of arms being adapted to flex about its junctures with said base portion to facilitate arcuate movement of said first cutting edge strand portion about said base portion, a second blade comprising a second cutting edge strand portion and a second base strand portion parallel to and spaced from said second cutting edge strand portion, said second cutting edge and second base strand portions being connected to each other by second interconnecting strand portions, a third set of arms extending from said base portion and supporting said second blade, said third set of arms being adapted to flex about its junctures with said base portion to facilitate arcuate movement of said second cutting edge strand portion about said base portion.
Claim 2
Dependent Claim
243 words
A razor blade assembly comprising a platform including a base portion, a cap portion fixed to said platform, first arm means extending from said base portion and connected to a guard portion, said first arm means being adapted to flex about its juncture with said base portion to facilitate arcuate movement of said guard portion about said base portion, a first blade comprising a first cutting edge strand portion and a first base strand portion parallel to and spaced from said first cutting edge strand portion, said first cutting edge and first base strand portions being connected to each other by first interconnecting strand portions, a second set of arms extending from said base portion and supporting said first blade, said second set of arms being adapted to flex about its junctures with said base portion to facilitate arcuate movement of said first cutting edge strand portion about said base portion, a second blade comprising a second cutting edge strand portion and a second base strand portion parallel to and spaced from said second cutting edge strand portion, said second cutting edge and second base strand portions being connected to each other by second interconnecting strand portions, a third set of arms extending from said base portion and supporting said second blade, said third set of arms being adapted to flex about its junctures with said base portion to facilitate arcuate movement of said second cutting edge strand portion about said base portion.
Claim 3
Dependent Claim
29 words
The invention in accordance with claim 1 in which said base portion, said arms, and said guard portion are of molded material and are molded integrally with each other.
Claim 4
Dependent Claim
21 words
The invention in accordance with claim 2 in which said third set of arms extends through apertures in said first blade.
Claim 5
Dependent Claim
28 words
The invention in accordance with claim 3 in which said platform includes stop means engageable by said first and second blades to limit said movement of said blades.
Claim 6
Dependent Claim
41 words
The invention in accordance with claim 4 in which said blades are disposed between said platform and said cap portion, said platform and said cap portion cooperatively forming pocket means having movably disposed therein said base strand portions of said blades.
Claim 7
Dependent Claim
36 words
The invention in accordance with claim 4 in which said stop means include first stop means adapted to be engaged by said first blade, and second stop means adapted to be engaged by said second blade.
Claim 8
Dependent Claim
25 words
The invention in accordance with claim 6 in which said first and second stop means comprise first and second protrusions, respectively, upstanding from said platform.
Claim 9
Dependent Claim
32 words
The invention in accordance with claim 5 in which said pocket means comprise first and second pockets in which are retained, respectively, said base strand portions of said first and second blades.
Claim 10
Dependent Claim
47 words
The invention in accordance with claim 1 in which said second set of arms are provided with flat surfaces for engagement with said first cutting edge strand, and said third set of arms are provided with second flat surfaces for engagement with said second cutting edge strand.
Claim 11
Dependent Claim
20 words
The invention in accordance with claim 1 including attachment means disposed on said platform for attachment to a razor handle.
Claim 12
Dependent Claim
14 words
A razor comprising the blade assembly of claim 1 fixed to a handle member.
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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) | 1985-07-05 | 1986-01-04 | 1986-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-05 | 1990-01-04 | 1990-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-05 | 1994-01-04 | 1994-07-06 | $7700.00 | Window Closed / Lapsed |