Counter device associated with switch actuator of electrical shaver to determine battery recharging and use
US4112271A · kind A · utility
22Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1976 |
| Grant date | Sep 5, 1978 |
| Priority date | — |
| Expiry date | Dec 20, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S30/01
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A counting device for a battery operated appliance for visually displaying on a counter dial the number of uses of the appliance between recharging or replacement of the batteries. The counter dial is mounted within the appliance with an indicia portion visible at the outer surface of the casing. Movement of the dial is controlled by operation of the on/off switch for the appliance and a reset wheel is included for restoring the counter dial to an "0" or starting position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.