Swing clamp

Details Swing clamp Swing clamp

1981-01-23

1982-09-28

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means in series with additional positioning...

92 33, 269 32, 269 93, B23Q 308

Patent

active

043515169

ABSTRACT:
A hydraulically actuatable swing clamp, having a piston arranged within a housing, the piston rod of which extends in sealed manner out of the housing and carries a clamping arm, and which, in addition to an axial clamping movement, carries out a turning movement corresponding to a guide device, the turning movement effecting a swinging of the clamping arm, the guide device comprising a control bolt extending into the piston and being arranged normally non-rotatably on the housing, and at least two pairs of control curves, formed in a guide surface between the control bolt and the piston, and a guide member arranged on the piston or control bolt extending into the control curve. The guide member comprises at least two diametrically opposite and axially staggered guiding members. Each of the pairs of control curves comprises parallel extending axial sections adapted for pure clamping movement of the clamping arm and a left curve section for left-swinging rotation of the clamping arm in cooperation with said guide member, and a right curve section for right-swinging rotation of the clamping arm in cooperation with the guide member, the curve sections adapted for the swinging and simultaneous lifting movement. The left curve section and the right curve section of each of the pairs intersect each other, are axially staggered corresponding to the guiding members, and of respective of the pairs are respectively opposite to each other.

REFERENCES:
patent: 3362301 (1968-01-01), Kohlitz
patent: 3572216 (1971-03-01), Seesody
patent: 3605569 (1971-09-01), Seesody
patent: 3948502 (1976-04-01), Waller et al.
patent: 4265434 (1981-05-01), Hamilton et al.

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