Hammer drill with wobble mechanism and hollow drive shaft

Details Hammer drill with wobble mechanism and hollow drive shaft Hammer drill with wobble mechanism and hollow drive shaft

2007-10-30

2007-10-30

Gerrity, Stephen F. (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

C173S109000, C173S216000, C173S217000

Reexamination Certificate

active

11139716

ABSTRACT:
A hand power tool has a housing, a drive motor and a gear mechanism arranged in the housing. A tool receptacle accommodates a tool, and a gear wheel drives a rotary sleeve in rotation from the drive motor and the gear mechanism and thereby the tool receptacle. A hammering mechanism is located inside the rotary sleeve and drivable translationally via a wobble gear. The gear mechanism has a driving gear wheel meshing with a motor pinion and arranged on a shaft by which the wobble gear mechanism is drivable to revolve. The shaft is configured as a hollow shaft on which the driving gear wheel is retained nondisplaceably and in a manner fixed against rotation. The wobble gear mechanism is located adjacent to the driving gear wheel on the shaft rotatably and couplably to the hollow shaft.

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