Electricity: circuit makers and breakers – Switch activation inhibitor – Locked cover prevents access to actuator
Reexamination Certificate
2008-03-25
2008-03-25
Friedhofer, Michael A (Department: 2832)
Electricity: circuit makers and breakers
Switch activation inhibitor
Locked cover prevents access to actuator
C200S333000, C200S334000
Reexamination Certificate
active
07348504
ABSTRACT:
A lockout device is provided for an operable instrument mounted to a structure with a first set of fasteners. The lockout device includes a base member having first and second side walls, an opening disposed between the side walls, a lock tab, and at least one mounting plate removably attached to the first and second side walls. The opening receives the instrument when the base member is mounted to the structure. The lock tab includes an aperture for receiving a locking member. The mounting plate includes a mounting feature for receiving a portion of one of the first set of fasteners to mount the base member to the structure. The lockout device further includes a cover member attachable to the base member and movable between a lockout position and an open position. The cover member includes an outer portion for covering the instrument when the base member is mounted to the structure and the cover member is in the lockout position.
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patent: 5936214 (1999-08-01), Phillips
Calfee Halter & Griswold LLP
Friedhofer Michael A
Master Lock Company LLC
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