Linear drive system for hair clippers
US9144911B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2013 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B19/28
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hair clipper has a base housing, a secondary housing cover, and a rotary motor or vibrator motor secured between the base housing and the housing cover. The rotary motor has a shaft and a cam secured to an end of the shaft, and the vibrator motor has a drive arm with a drive finger. A cam follower is operably connected to the cam or drive finger on a top side. The top side of the cam follower also has an elongated guide rail that is operably secured to a guide channel in a blade guide, which in turn is secured to the base housing. A reciprocating blade is operably secured to the bottom side of the cam follower, and a stationary blade is secured to the base housing adjacent the reciprocating blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.