Nailer device

USRE44571E1 · kind E1 · reissue

Assignee

• Chervon (HK) Limited · CN

Inventors

• Masatoshi Fukinuki · Nanjing, CN
• Toshinari Yamaoka · Nanjing, CN
• Gan Wei · Lo Wu, CN
• Zhiguo Chen · Beijing, CN
• Guillaume Keller · Voiron, FR

Key dates

• Filing date: May 17, 2012
• Grant date: Nov 5, 2013
• Expiry date: May 17, 2032

Classification

• Technology area (CPC —): General

Abstract

An electrical device, such as a nailer device, has a motor and a gear housing containing a transmission mechanism. The transmission mechanism is coupled to the motor for driving an impact member. The transmission mechanism includes a shaft having a through-hole wherein a first opening of the through-hole is communicated with the interior of the gear housing and a second opening of the through-hole is communicated with an exterior of the gear housing.