Safety switch with unlatching disc

Details Safety switch with unlatching disc Safety switch with unlatching disc

2005-03-01

2005-03-01

Scott, James R. (Department: 2832)

Electricity: circuit makers and breakers

Switch activation inhibitor

Removable actuator

C200S043070

Reexamination Certificate

active

06861597

ABSTRACT:
A device switches an electrical connection in accordance with the condition of a device to be monitored, especially to a safety switch (1) for a protective device. The safety switch includes a housing (2,3) in which a switch disk (7) is mounted for rotation about an axis (8). An actuator (5) can be inserted for triggering the switching process. A latching device blocks the switch disk (7). The latching device has a latching element (12a, 12b) guided in the switch disk (7) and movable against the effect of a first energy accumulator (11). In a position in which it blocks the switch disk (7), the latching element (12a, 12b) engages an associated recess (13a, 13b) in the housing (2, 3). A rotatable release element (14a, 14b) disposed beside the switch disk (7), is rotatable relative to the switch disk (7) when the actuator (5) is inserted. When the release element (14a, 14b) is rotated, the latching element (12a,12B) is slid back parallel to the axis (8) into the switch disk (7) against the effect of the first energy accumulator (11), thereby placing it in a release position.

REFERENCES:
patent: 4695684 (1987-09-01), Bochard et al.
patent: 5959270 (1999-09-01), Wecke et al.
patent: 3609043 (1986-09-01), None
patent: 3943376 (1991-06-01), None
patent: 0939415 (1999-09-01), None
patent: WO 02065496 (2002-08-01), None

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