Patent US4380121A successfully refreshed from Google Patents.
US4380121A
Expired / Lapsed
US
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Electric shaver
Assignee: PAYER-LUX ELEKTROPRODUKTE A CORP OF AUSTRIA GmbH
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Filing: 1981-04-01
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Granted: 1983-04-19
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Expires: 2001-04-01
Abstract
Abstract An electric shaver in which the conventional user actuated on-off switch is eliminated, the shaver being automatically actuated when brought into contact with the area of the body to be shaved and deactuated when removed, the shaver being provided with an electronic sensor switch (5) which is electrically connected to a contact plate (K2) on the outside of the casing (1) within the gripping zone and to the shear face (K1) of the shear head 2, the terminals (53, 54) of the sensor switch being connected to the control circuit of an actuating means (RL) for opening and closing the motor circuit.
Inventors
- 👤 Gundolf Naimer
- 👤 Kurt Hauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:06
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/38; B26B19/3873; B26B19/388; H; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/9645
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
94 words
In an electric shaver having a casing, a shear head, a driving motor for the knife, and an on-off switch provided in the motor circuit, the improvement comprising an electronic sensor switch (5) which is electrically connected to a contact plate (K2) on the outside of the casing (1) with the gripping zone and to the shear face (K1) of the shear head (2) and shear foil, the terminals (53, 54)) of the sensor switch (5) being connected to the control circuit of an actuating means (RL) for opening and closing the motor circuit.
Claim 2
Dependent Claim
94 words
In an electric shaver having a casing, a shear head, a driving motor for the knife, and an on-off switch provided in the motor circuit, the improvement comprising an electronic sensor switch (5) which is electrically connected to a contact plate (K2) on the outside of the casing (1) with the gripping zone and to the shear face (K1) of the shear head (2) and shear foil, the terminals (53, 54)) of the sensor switch (5) being connected to the control circuit of an actuating means (RL) for opening and closing the motor circuit.
Claim 3
Dependent Claim
15 words
An electric shaver according to claim 1, including a releasing delay for the relay (RL).
Claim 4
Dependent Claim
37 words
An electric shaver according to claims 2 or 1, wherein in an accumulator-operated shaver, an operating contact (r 1) of the relay (RL) is positioned parallel in relation to the charging resistance (R) of the accumulator (4).
Claim 5
Dependent Claim
14 words
An electric shaver according to claim 1 wherein said actuating means comprises a relay.
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) | 1986-04-18 | 1986-10-18 | 1987-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-18 | 1990-10-18 | 1991-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-18 | 1994-10-18 | 1995-04-19 | $7700.00 | Window Closed / Lapsed |