Lockout box for a pendant

Details Lockout box for a pendant Lockout box for a pendant

2005-11-08

2005-11-08

Enad, Elvin G (Department: 2832)

Electricity: circuit makers and breakers

Switch activation inhibitor

Locked cover prevents access to actuator

C200S043160

Reexamination Certificate

active

06963037

ABSTRACT:
An enclosure restricts access to control buttons of an overhead crane pendant. The enclosure has sidewalls, a top piece, a back piece and a bottom piece. A hinged portion of the enclosure carries a door with an aperture. An appropriate blocking plate is slid into position behind the aperture, thereby blocking the appropriate control buttons, but allowing the other control buttons to remain accessible through the aperture. The lockout box is lockable, and once locked the blocking plates are not movable.

REFERENCES:
patent: 2579168 (1951-12-01), Ballou
patent: 2979581 (1961-04-01), Ballou
patent: 3932721 (1976-01-01), Crowell et al.
patent: 4520247 (1985-05-01), Pancook et al.
patent: 4540858 (1985-09-01), Knoop
patent: 4789135 (1988-12-01), Watanabe
patent: 5007543 (1991-04-01), Cooke
patent: 5095409 (1992-03-01), Dematteo et al.
patent: 5488208 (1996-01-01), Seewald

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