Manual machine tool

Details Manual machine tool Manual machine tool

2006-07-11

2006-07-11

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

C173S093000, C173S048000, C173S216000

Reexamination Certificate

active

07073606

ABSTRACT:
The invention is based on a power tool comprising toolholder (12, 102) driveable in at least rotary fashion via a drive motor and via a driven shaft (10, 98, 100), which comprises a workholding fixture (14) for attaching tools (16, 104) actuatable in the direction of rotation of the driven shaft (10, 98, 100), and comprising a locking device (18, 86, 90), via which the driven shaft (10, 98, 100) is coupleable in torsion-resistant fashion for locking and releasing the workholding fixture (14) to and from a housing part (20, 106), and which opens automatically when torque is transferred from the drive motor to the toolholder (12, 102), and which locks automatically when torque is transferred from the toolholder (12, 102) to the drive motor.It is proposed that the locking device (18, 86, 90) is located on the driven shaft (10, 98, 100).

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