Hand-held power tool with a percussion unit

Details Hand-held power tool with a percussion unit Hand-held power tool with a percussion unit

2007-05-11

2010-12-28

Durand, Paul R (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

C173S093000, C173S112000, C173S216000

Reexamination Certificate

active

07857074

ABSTRACT:
The invention is based on a power hand tool, in particular a hammer drill and/or hammer chisel, with a percussion unit (10), which comprises a tumble bearing unit (12) with a tumble body (14) and also a piston (16). It is proposed that the power hand tool comprises at least two bearing locations (18, 20; 22, 24) arranged in parallel in the force of flux, by means of which the tumble body (14) is coupled to the piston (16).

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