Drive for a motor-driven hand-held tool

Details Drive for a motor-driven hand-held tool Drive for a motor-driven hand-held tool

2007-03-20

2007-03-20

Huynh, Louis K. (Department: 3721)

Tool driving or impacting

Impacting devices

With means to reciprocate tool

C173S049000, C173S216000, C030S394000

Reexamination Certificate

active

11006311

ABSTRACT:
A drive for a motor-driven hand-held tool includes a motor (17) and a gear mechanism (20) for converting a rotational movement of the motor (17) into a reciprocating movement of the reciprocating drive element (30) for a working tool, with the gear mechanism (20) having a transmission element (23) axially secured on a support (21) with a support member (26) and including a mass-balance member (31), a first eccentric take-off element (24) cooperating with the reciprocating drive element (30) and a second eccentric take-off element (25) cooperating with the mass-balance member (31) for imparting reciprocating movement thereto, and with the support member (26) forming a slide support surface for the mass-balance member (31).

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