Browse Prior Art Database

Interlock Switch Mount

IP.com Disclosure Number: IPCOM000081673D
Original Publication Date: 1974-Jul-01
Included in the Prior Art Database: 2005-Feb-28
Document File: 2 page(s) / 29K

Publishing Venue

IBM

Related People

Aakre, DE: AUTHOR [+3]

Abstract

Cantilever spring 2 is provided for mounting short-throw switch 1 with respect to stationary machine baseplate 3. Switch 1 is located in a suitable position so that moveable machine cover 4 may actuate switch 1, as cover 4 is moved in opening direction A or closing direction B. The cantilever switch mounting eliminates critical adjustments inherent in mounting short-throw switches.

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Interlock Switch Mount

Cantilever spring 2 is provided for mounting short-throw switch 1 with respect to stationary machine baseplate 3. Switch 1 is located in a suitable position so that moveable machine cover 4 may actuate switch 1, as cover 4 is moved in opening direction A or closing direction B. The cantilever switch mounting eliminates critical adjustments inherent in mounting short-throw switches.

Machine baseplate 3 is vertical, and cover 4 moves horizontally in directions A and B. Interlock switch 1 extends at approximately 45 degrees with respect to the horizontal and vertical, and has its plunger 1a in position to be contacted by slanted surface 4a of cover 4 as cover 4 is moved in the direction B to closed position.

Spring 2 has portions 2a and 2b, respectively, extending vertically and in the direction of switch 1, and has a horizontal portion 2c and a return bend 2d providing increased resilience for spring 2. A cutout 5 is provided in horizontal portion 2c, also providing increased resilience for spring 2.

The size of cutout 5 can be varied, so that depending on the particular switch 1 that is used, the force from spring 2 applied on switch 1 lies above that required to activate switch 1, but less than that at which switch 1 may be damaged by movement of cover 4 in direction B. Spring 2 yields to allow downward and sideward movement of switch 1, when cover 4 is moved in direction B to actuate switch 1 by slanted cover surface 4a acting on switch pl...