Drill or chisel hammer

Details Drill or chisel hammer Drill or chisel hammer

2006-07-04

2006-07-04

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

C173S109000, C173S201000

Reexamination Certificate

active

07070008

ABSTRACT:
The invention is based on a power tool having a beater mechanism (14) and a coupling device (12, 100), which can be engaged and disengaged in order to make and break a drive connection (16, 102) of the beater mechanism (14).It is proposed that the coupling device (12, 100) has a synchronizing device (18, 112), with a detent mechanism (20, 110) which transmits a drive moment and which in a synchronizing operation has at least two corresponding detent elements (22, 24, 108), at least one of the detent elements (22) being movable about its detent position upon an overlooking moment, counter to the spring force of a spring element (26, 116).

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Lechner, G., et al:Fahrzeuggetriebe. Springer, 1994, p. 237, Bild 9.10.ISBR 3-540-57423-9

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