Defeatable interlock for fuse access door

Details Defeatable interlock for fuse access door Defeatable interlock for fuse access door

1979-12-13

1981-12-15

Moore, Richard E.

Closure fasteners

Bolts

Sliding

200 50A, 361344, 361357, E05C 104

Patent

active

043056105

ABSTRACT:
A fuse access door of a fusible switch enclosure is held closed by a latch slidably mounted thereto. A resilient interlock actuator secured to the door cooperates with a defeatable switch interlock arm to enable switch closure only while the door is closed and to interlock the latch against unlatching movement while the switch is closed. However, depression of the interlock arm via the interlock actuator defeats this interlock to permit access to the fuses while the switch is closed.

REFERENCES:
patent: 3609261 (1971-09-01), Rys
patent: 4071722 (1978-01-01), Hart
patent: 4107488 (1978-08-01), Keller et al.

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