Rotary service switch for the interior of electrical...

Details Rotary service switch for the interior of electrical... Rotary service switch for the interior of electrical...

2005-12-13

2005-12-13

Enad, Elvin G (Department: 2832)

Electricity: circuit makers and breakers

Interlocking

Between switches and housing

C200S050050

Reexamination Certificate

active

06974922

ABSTRACT:
A rotary switch assembly for mounting on a disconnect switch (10) in an electrical enclosure (26) includes a base (50) and a rotor (60) which is rotatably coupled to the base (50). The rotor (60) is first axially depressed and then rotated to switch the disconnect switch (10) to the “on” position. The base (50) has a stop member (53) for latching the rotor (60) in an “off” position before the rotor (60) is axially depressed. A lockout tab (43) is attached to the rotor (60) for locking the switch in the “off” position. A rotary handle (30, 90) is provided for mounting on the rotor (60), for operation in either rotational direction. The rotary handle (30) has two wings with formed grips (34, 35) for thumb and fingertips to securely grip and turn the handle (30) with the required torque for actuating and de-actuating the disconnect switch.

REFERENCES:
patent: 3739109 (1973-06-01), Ege
patent: 3970808 (1976-07-01), Gryctko et al.
patent: 4851621 (1989-07-01), Borchardt et al.
patent: 6100485 (2000-08-01), Mortun et al.
patent: 6700081 (2004-03-01), Houck, III
patent: 6797896 (2004-09-01), Lee
patent: 6797903 (2004-09-01), Winslett et al.
patent: 2004/0099515 (2004-05-01), Houck, III
Rockwell Automation Bulletins 194C, 194E, 194L, “Flexible Solutions in Control and Load Switches”, pp. 2, 3, 4, 34, 36, 43, 46, 47, 48, and 49, Jan. 1999.

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