B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/34
B25B 21/00 (2006.01)
Patent
CA 1084313
ABSTRACT OF THE DISCLOSURE A power wrench having at least a partially annular drive head connected at first and second pivots through a first of a pair of telescopic members and to a third member, respectivel the third member being connected by a third pivot to the second member, and upon a relative linear telescopic motion of the first and second members, the drive head is rotated through a predetermined are under the control of the third member.
290624
Hirtsiefer Richard
Muller Johann
Wagner Paul-Heinz
A. J. Fors & Associates
Paul-Heinz Wagner Maschinenfabrikation
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