Combplate safety device

Details Combplate safety device Combplate safety device

1991-07-18

1993-10-26

Valenza, Joseph E.

Conveyors: power-driven

Conveyor or accessory therefor specialized to convey people

With means to control the operation of the section

198325, B65G 4300

Patent

active

052557715

ABSTRACT:
A combplate safety device for a passenger conveyor moving relative to a frame and having a combplate mounted on the frame and movable relative to the frame in response to an obstruction to the motion of the conveyor. The combplate safety device includes a ramped hold down member which cooperates with the frame to define a rearwardly opening notch within which a complementary portion of the combplate is releasably secured against the frame in a vertically downward direction. A pair of limit switches are actuated upon a predetermined relative displacement of the combplate and the frame for deactivating the conveyor in response to the obstruction to the motion, with a compressible member being posed between the combplate and the frame to prevent accumulated debris from interfering with operation of the safety device.

REFERENCES:
patent: 2030103 (1936-02-01), Dunlop
patent: 3132733 (1964-05-01), Boman et al.
patent: 3687257 (1972-08-01), Johnson
patent: 4476971 (1984-10-01), Schoneweiss

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