Hydraulic quick change clamp

Details Hydraulic quick change clamp Hydraulic quick change clamp

1990-06-18

1992-05-19

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

219 1075, 219 1079, 269 32, 269157, 24455, H05B 664

Patent

active

051151103

ABSTRACT:
Hydraulically actuated quick release base mounted clamp particularly capable of use for clamping interchangeable production heat treating induction coils to produce intimate pressurized electrical conductive contact between elongated base mounted and induction coil bus bars. A central short stroke hydraulic cylinder produces only slight pivotal clamping engagement of dual laterally spaced clamp arms, the pivots of which can be linearly laterally retracted to clearance position upon release of hydraulic pressure. A cross shaft having a flatted engagement by the rigidly mounted cylinder piston head and a pivot cross shaft having flatted ends adapted to slide in slotted keyways upon release of actuating pressure provide for lateral movement of the clamp arm assembly to a clearance position while the actuating cylinder remains in its fixed position.

REFERENCES:
patent: 4728760 (1988-03-01), Brolin et al.
patent: 4830349 (1989-05-01), Miyata
patent: 4905973 (1990-03-01), Blatt
patent: 4909493 (1990-03-01), Yonezawa
patent: 4948105 (1990-08-01), Yonezawa
patent: 4982939 (1991-01-01), Yoshikawa et al.

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