Hinge structure with torsion bar for electrophotographic copying

Details Hinge structure with torsion bar for electrophotographic copying Hinge structure with torsion bar for electrophotographic copying

1985-10-07

1986-10-14

Hall, George T.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220264, 355 75, 355 25, B65D 4324

Patent

active

046167650

ABSTRACT:
An electrophotographic copying machine comprises an upper body, a lower body, a torsion bar for lifting the first body upward, and a spacer for controlling the stressing force of the torsion bar. The spacer, preferably, a wedge is forced between a crank and a crank stopper of the torsion bar. A thumbscrew is further provided for controlling to force the spacer between the crank and the crank stopper.

REFERENCES:
patent: 4097145 (1978-06-01), Luperti et al.
patent: 4456141 (1984-06-01), Pamment

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