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US 8,074,856 B2Granted
Nailer device
AssigneeChervon Limited
InventorsMasatoshi Fukinuki, Toshinari Yamaoka, Gan Wei
Life of this patent
Estimating the term…
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.
Claims3
An electrical device comprising:
- a motor;
- a switch operable to control the motor;
- an impact member;
- and
- a transmission mechanism disposed in a gear housing coupled to the motor for driving the impact member, the transmission mechanism comprising 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.
2 more elements
Dependencies are inferred from the claim text.