Title:
SAFETY SWITCH ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/1994/006141
Kind Code:
A1
Abstract:
A safety switch assembly for correlating the opening and closing of a door with the on-off control of a power source. An object of the present invention is to provide a miniaturized highly-reliable safety switch assembly which is not operated by a mischievous act. In the safety switch assembly, actuators (2) to be attached to a door each have a free end with a recess, and a switch body (1) is provided with a plurality of rotary cam plates (13, 14a, 14b) so that the cam plates are opposed to this recess and can be turned independently of one another. When the pressure-receiving surfaces (17, 22) of the rotary cam plates (13, 14a, 14b) are on standby, they are engaged with the recesses referred to above. One common cam follower pin (29) is passed through these rotary cam plates, so that the cam follower pin is not moved by inserting an object that has a recess different in shape from that in the actuator.
Inventors:
KIMURA HARUO (JP)
SEKINO YOSHIO (JP)
MASUYA TAKASHI (JP)
FUKUI TAKAO (JP)
SEKINO YOSHIO (JP)
MASUYA TAKASHI (JP)
FUKUI TAKAO (JP)
Application Number:
PCT/JP1993/001226
Publication Date:
March 17, 1994
Filing Date:
August 31, 1993
Export Citation:
Assignee:
IDEC IZUMI CORP (JP)
KIMURA HARUO (JP)
SEKINO YOSHIO (JP)
MASUYA TAKASHI (JP)
FUKUI TAKAO (JP)
KIMURA HARUO (JP)
SEKINO YOSHIO (JP)
MASUYA TAKASHI (JP)
FUKUI TAKAO (JP)
International Classes:
H01H27/00; (IPC1-7): H01H27/00
Foreign References:
| JPH0452321U | 1992-05-01 | |||
| JPH0421037U | 1992-02-21 |
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