Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1977-03-11
1978-10-03
Wyche, Benjamin W.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
81 5732, F16H 2118
Patent
active
041177355
ABSTRACT:
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, respectively, 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 arc under the control of the third member.
REFERENCES:
patent: 1615695 (1927-01-01), Grattan
patent: 2737839 (1956-03-01), Paget
patent: 2972918 (1961-02-01), Huff et al.
Hirtsiefer Richard
Muller Johann
Wagner Paul-Heinz
Paul-Heinz Wagner Maschinenfabrikation
Ratliff, Jr. Wesley S.
Wyche Benjamin W.
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