Patent US4344227A successfully refreshed from Google Patents.
US4344227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clean-out mechanism for twin blade shaving unit
Assignee: Warner Lambert Co LLC
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Filing: 1980-08-25
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Granted: 1982-08-17
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Expires: 2000-08-25
Abstract
Abstract An improved twin blade razor system having a unitary member positioned between the pair of blades for both spacing the blades and ejecting shaving debris from that space. The unitary member, which may conveniently be of injection molded plastic, includes a spacer portion, an ejector portion, and biasing apparatus connecting the ejector portion and the spacer portion for biasing the ejector portion to a normally retracted position relative to the blades and spacer. The ejector portion is manually displaceable to an advanced ejecting position. The biasing portion may be one or more beam springs connected and configured to reduce distortion and/or stressing of the relatively moving portions of the member during actuation.
Inventors
- 👤 Evan N. Chen
- 👤 James S. Emmett
- 👤 Frank A. Ferraro
- 👤 Anthony J. Peleckis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:59
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/4062
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
130 words
In a razor blade system including a seat portion, a cap portion, and a pair of razor blades with cutting edges on the forward edges thereof fixedly positioned between the seat and cap portions, the blades being in spaced relation to each other, the improvement comprising: integral means interposed between said pair of razor blades defining spacer means for maintaining said blades in said spaced relation and ejector means resiliently connected to said spacer means for ejecting shaving debris from therebetween, said spacer means and said resiliently connected ejector means including an ejector bar being molded in unitary fashion to define a single piece-part all fabricated from the same starting material said single piece-part including breakaway tabs to afford temporary rigidity to facilitate handling during manufacture of the blade system.
Claim 2
Dependent Claim
130 words
In a razor blade system including a seat portion, a cap portion, and a pair of razor blades with cutting edges on the forward edges thereof fixedly positioned between the seat and cap portions, the blades being in spaced relation to each other, the improvement comprising: integral means interposed between said pair of razor blades defining spacer means for maintaining said blades in said spaced relation and ejector means resiliently connected to said spacer means for ejecting shaving debris from therebetween, said spacer means and said resiliently connected ejector means including an ejector bar being molded in unitary fashion to define a single piece-part all fabricated from the same starting material said single piece-part including breakaway tabs to afford temporary rigidity to facilitate handling during manufacture of the blade system.
Claim 3
Dependent Claim
39 words
The razor blade system of claim 1 wherein said spacer, said ejector, and said biasing portions between said pair of razor blades are substantially flat, said spacer portion being elongated substantially parallel to the cutting edges of said blades.
Claim 4
Dependent Claim
54 words
The razor blade system of claim 2 wherein said spacer portion comprises two laterally spaced spacer segments, said biasing portion comprises two biasing segments and said ejector portion passes between said spaced spacer segments, said two biasing segments each being connected between said ejector portion and a respective one of said two spacer segments.
Claim 5
Dependent Claim
17 words
The razor blade system of claim 3 wherein said ejector portion substantially entirely surrounds said spacer segments.
Claim 6
Dependent Claim
48 words
The razor blade system of claim 4 wherein plural posts extend from one of said cap and said seat to the other thereof in mutual connecting and aligning relationship and said spacer segments include respective openings therethrough through which said posts pass to fixedly position said spacer segments.
Claim 7
Dependent Claim
72 words
The razor blade system of claim 4 wherein each said biasing segment comprises a resilient beam spring connected at one end to a respective said spacer segment and at the other end to said ejector portion, each said beam spring being so connected to said respective spacer segments and said ejector portion and so configured that said ejector portion is repeatably displaceable between said retracted and advanced positions free of incapacitating distortion.
Claim 8
Dependent Claim
64 words
The razor blade system of claim 6 wherein each said beam spring has substantially a dogleg shape, one portion of said dogleg being anchored at its end to one side of said respective spacer segment and extending rearwardly therefrom and the other portion of said dogleg extending generally laterally behind said respective spacer segment and being anchored at its end to said ejector portion.
Claim 9
Dependent Claim
33 words
The razor blade system of claim 1 wherein said biasing portion comprises a resilient beam spring connected at one end to said spacer portion and at the other end to said ejector portion.
Claim 10
Dependent Claim
132 words
In a razor device of the type including a plurality of spaced, fixed cutting blades having parallel cutting edges the improvement comprising: a discrete member denoting a separate entity molded as a single piece-part sandwiched between a pair of said blades, said member defining a spacer portion and an ejector portion, said ejector portion including an ejector bar, resilient means connecting said spacer portion to said ejector portion, means for fixing said spacer portion to said pair of blades, and manually operable means to move said ejector portion and said ejector bar relative to said pair of blades and relative to said spacer portion in opposition to said resilient means to purge said blades of debris, said ejector bar being parallel to said cutting edges in all relative positions of the bar.
Claim 11
Dependent Claim
132 words
In a razor device of the type including a plurality of spaced, fixed cutting blades having parallel cutting edges the improvement comprising: a discrete member denoting a separate entity molded as a single piece-part sandwiched between a pair of said blades, said member defining a spacer portion and an ejector portion, said ejector portion including an ejector bar, resilient means connecting said spacer portion to said ejector portion, means for fixing said spacer portion to said pair of blades, and manually operable means to move said ejector portion and said ejector bar relative to said pair of blades and relative to said spacer portion in opposition to said resilient means to purge said blades of debris, said ejector bar being parallel to said cutting edges in all relative positions of the bar.
Claim 12
Dependent Claim
88 words
In a razor device of the type including a plurality of spaced, fixed cutting blades the improvement comprising: a unitary, flat, generally planar member defining an assembly disposed between a pair of blades, said assembly comprising a fixed spacer portion, and a movable ejector portion and resilient means joining said portions whereby said ejector portion is movable relative to said spacer portion without destroying the unitary integrity of the assembly, said assembly including breakaway tabs to afford temporary rigidity to facilitate handling during manufacture of the razor device.
Claim 13
Dependent Claim
88 words
In a razor device of the type including a plurality of spaced, fixed cutting blades the improvement comprising: a unitary, flat, generally planar member defining an assembly disposed between a pair of blades, said assembly comprising a fixed spacer portion, and a movable ejector portion and resilient means joining said portions whereby said ejector portion is movable relative to said spacer portion without destroying the unitary integrity of the assembly, said assembly including breakaway tabs to afford temporary rigidity to facilitate handling during manufacture of the razor device.
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) | 1985-08-16 | 1986-02-15 | 1986-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-16 | 1990-02-15 | 1990-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-16 | 1994-02-15 | 1994-08-17 | $7700.00 | Window Closed / Lapsed |