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David W Kozerski, 685412 Wolf Rd, Western Springs, IL 60558

David Kozerski Phones & Addresses

5412 Wolf Rd, Western Sprgs, IL 60558    708-2465675   

Western Springs, IL   

Brookfield, IL   

Indian Head Park, IL   

Tulalip, WA   

Irvine, CA   

Cicero, IL   

Indian Head Park, IL   

5412 Wolf Rd, Western Sprgs, IL 60558   

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Position: Healthcare Support Occupations

Education

Degree: Associate degree or higher

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Publications & IP owners

Us Patents

Pressure Switch

US Patent:
4456801, Jun 26, 1984
Filed:
Mar 8, 1982
Appl. No.:
6/355630
Inventors:
Richard L. Lauritsen - Hoffman Estates IL
David W. Kozerski - Cicero IL
Assignee:
The Singer Company - Stamford CT
International Classification:
H01H 3534
US Classification:
200 83P
Abstract:
Increasing pressure acting under the thin plastic film diaphragm will move the actuator upward against the force of the outer reset spring until the upper inside washer/seat engages the outer washer/seat causing the inner trip spring to be compressed with further upward movement. Thereafter, switch actuation is opposed by both springs and the trip force is determined by both springs. As pressure decreases after the switch has tripped, the inside spring seat engages the shoulder on the actuator so only the reset spring is effective to determine the reset force. Both springs are assembled on the actuator prior to assembly in the pressure switch. The terminal structure is novel in the way it is positively located and accurately locates the switch.

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