US4089110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaving means
Assignee: Individual
•
Filing: 1976-03-08
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Granted: 1978-05-16
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Expires: 1996-03-08
Abstract
Abstract A Dry Shaver with (a) grill cooling (b) skin and whisker attracting (c) skin cooling and (d) self cleaning means; said shaver embodying a rotary fan wheel so that: (a) air is drawn through a protector grill of a shaving head thereby cooling same (b) skin is drawn to the grill and whiskers into grill by said fan (c) air is expelled through perforations directed toward the area of the skin being shaved, said air being useful in cooling and tauting skin and (d) cut whiskers are blown into a storage chamber embodied in the shaver so that the shaver heads stay clean. The storage chamber is also self cleaning by opening the flap thereof over a trash receptacle and switching the shaver on momentarily which blows the cut whiskers out of the storge chamber and into the receptacle.
Inventors
- 👤 Darius K. Rasco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:00
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/44
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
272 words
A power shaver for shaving whiskers from the skin comprising a housing having first and second compartments therein, said second compartment being used for whisker storage and having a plurality of apertures in the forward wall thereof directed during operation of said shaver toward the skin being shaved, motor means located within said first compartment, the shaft of said motor means projecting through the wall of said first compartment, a shaving head attached to said housing including a face plate having at least one opening therein and at least one rotatable cutter blade positioned adjacent the inside surface of said face plate at said opening, said head being connected to said second compartment, a gear assembly coupled to the shaft of said motor means and interposed between the forward wall of the first compartment of said housing and the cutter blade of said shaving head, said motor means rotating said cutter blade relative to said face plate for cutting said whiskers, a fan secured to the shaft of said motor means for drawing air in through the opening in said face plate, into said second compartment for whisker storage and out through the plurality of apertures in the forward wall of said compartment to direct the expelled air against the skin being shaved, said fan further drawing the whiskers cut by said cutter blade into said second compartment for storage therein, a releasable cover in the wall of said second compartment to permit removal of said whiskers, said second compartment being air flushable by operation of said fan with said cover removed thereby expediting removal of whiskers from within said second compartment.
Claim 2
Dependent Claim
272 words
A power shaver for shaving whiskers from the skin comprising a housing having first and second compartments therein, said second compartment being used for whisker storage and having a plurality of apertures in the forward wall thereof directed during operation of said shaver toward the skin being shaved, motor means located within said first compartment, the shaft of said motor means projecting through the wall of said first compartment, a shaving head attached to said housing including a face plate having at least one opening therein and at least one rotatable cutter blade positioned adjacent the inside surface of said face plate at said opening, said head being connected to said second compartment, a gear assembly coupled to the shaft of said motor means and interposed between the forward wall of the first compartment of said housing and the cutter blade of said shaving head, said motor means rotating said cutter blade relative to said face plate for cutting said whiskers, a fan secured to the shaft of said motor means for drawing air in through the opening in said face plate, into said second compartment for whisker storage and out through the plurality of apertures in the forward wall of said compartment to direct the expelled air against the skin being shaved, said fan further drawing the whiskers cut by said cutter blade into said second compartment for storage therein, a releasable cover in the wall of said second compartment to permit removal of said whiskers, said second compartment being air flushable by operation of said fan with said cover removed thereby expediting removal of whiskers from within said second compartment.
Claim 3
Dependent Claim
54 words
A power shaver as defined by claim 1 which further comprises anti-regurgitation means mounted within said second compartment for directing whiskers into said storage compartment from said shaving head when said shaver is in the operating position and confining the whiskers within said storage compartment when said shaver is not in said operating position.
Claim 4
Dependent Claim
25 words
A power shaver as defined by claim 2 wherein said anti-regurgitation means comprises a hinge pivotally mounted within said second compartment adjacent said shaving head.
Claim 5
Dependent Claim
58 words
A power shaver as defined by claim 2 wherein said anti-regurgitation means comprises a first member projecting within said second compartment from the forward wall thereof between the plurality of apertures in said forward wall and said shaving head and a plurality of second members projecting within said second compartment from the wall thereof opposite said forward wall.
Claim 6
Dependent Claim
64 words
A power shaver as defined by claim 1 wherein said shaving head comprises a plurality of rotatable cutter blades; and said gear assembly comprises a plurality of driven gears each having a spring-loaded blade-driving shaft for driving a respective one of said cutter blades, and a drive gear coupled to the shaft of said motor means for drivingly engaging said plurality of driven gears.
Claim 7
Dependent Claim
151 words
A power shaver as defined by claim 5 wherein said face plate has a plurality of openings each having a lip around the inside periphery of the forward-most part and a partial lip on the rear-most part thereof, said face plate further having a stud at the rear center thereof; said power shaver further comprising a plurality of removable apertured protector grills, each of said grills having a lip around the outer periphery thererof, the lip of each grill fitting between the lips of the respective openings in said face plate; and said cutter blades fit within said respective grills; said power shaver further comprising a disk-shaped nut affixed to said stud with the edge of said nut extending over the rear edge of said grills with the underside of said nut flush with the forward side of the partial lips of said openings to retain said grills in said openings.
Claim 8
Dependent Claim
88 words
A power shaver as defined by claim 1 wherein said cutter blade and said fan are combined into a single fan and whisker cutting wheel, said wheel comprising a disk-shaped body having a plurality of fan-like blades radiating from a central axis, each of said blades having a beveled cutting surface along its edges with one edge being beveled in one direction and the other edge being beveled in the opposite direction, whereby either side of said wheel can face toward the inside surface of said face plate.
Claim 9
Dependent Claim
36 words
A power shaver as defined by claim 1 wherein the plurality of apertures in said forward wall are slanted in an upward direction so that the expelled air will be directed against the skin being shaved.
Claim 10
Dependent Claim
166 words
A power shaver for shaving whiskers from the skin comprising a housing, motor means having a rotary shaft located within said housing, a shaving head attached to said housing, said shaving head including a face plate having a plurality of openings therein, a plurality of removable apertured protector grills rotatable with respect to said face plate, a scraper member fixedly mounted on said face plate so as to scrape against said rotatable protector grills to minimize clogging of cut whiskers within said shaving head, and a plurality of rotatable cutter wheels positioned adjacent the inside surface of said face plate, and a gear assembly coupled to the rotary shaft of said motor means and to the cutter wheels of said shaving head, said gear assembly comprising a plurality of driven gears each having a spring-loaded blade-driving shaft for driving a respective one of said cutter wheels, and a drive gear coupled to the shaft of said motor means for drivingly engaging said plurality of driven gears.
Claim 11
Dependent Claim
166 words
A power shaver for shaving whiskers from the skin comprising a housing, motor means having a rotary shaft located within said housing, a shaving head attached to said housing, said shaving head including a face plate having a plurality of openings therein, a plurality of removable apertured protector grills rotatable with respect to said face plate, a scraper member fixedly mounted on said face plate so as to scrape against said rotatable protector grills to minimize clogging of cut whiskers within said shaving head, and a plurality of rotatable cutter wheels positioned adjacent the inside surface of said face plate, and a gear assembly coupled to the rotary shaft of said motor means and to the cutter wheels of said shaving head, said gear assembly comprising a plurality of driven gears each having a spring-loaded blade-driving shaft for driving a respective one of said cutter wheels, and a drive gear coupled to the shaft of said motor means for drivingly engaging said plurality of driven gears.
Claim 12
Dependent Claim
23 words
A power shaver as defined by claim 9 wherein said rotatable grills rotate when said face plate is not pressed against the skin.
Claim 13
Dependent Claim
143 words
A power shaver as defined by claim 9 wherein said face plate has a plurality of openings each having a lip around the inside periphery of the forward most part and a partial lip in the rear-most part thereof, said face plate further having a stud at the rear center thereof; and wherein each of said grills has a lip around the outer periphery thereof, the lip of each grill fitting between the lips of the respective opening in said face plate; and said cutter wheels fit within said respective grills; said power shaver further comprising a disc-shaped nut affixed to said stud with the edge of said nut extending over the rear edge of said grills with the under side of said nut flush with the forward side of the partial lips of said openings to retain said grills in said openings.
Claim 14
Dependent Claim
27 words
A power shaver as defined by claim 11 wherein each of said grills is provided with a magnetized hub for holding the respective cutter wheel in place.
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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) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |