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Shock Absorbing Mount

IP.com Disclosure Number: IPCOM000092265D
Original Publication Date: 1968-Nov-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 45K

Publishing Venue

IBM

Related People

Montedonico, RW: AUTHOR

Abstract

This shock absorbing mount is used for mounting glass encapsulated reed switches on printed circuit boards. The antishock mount absorbs reasonably high loads of approximately 5000 G's, and has high reliability and excellent current conductivity. The antishock device is provided by a dual-coiled spring made from a beryllium copper wire. The adjacent coils are wound with two different diameters, the small coils in which the switch end is inserted and soldered and the large coils which are soldered to the circuit board and provide the shock absorbing characteristic. The drawing shows two arrangements either of which can be used depending upon the degree of shock absorbtion required. The single spring per contact version is suitable for all applications except the most critical.

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Shock Absorbing Mount

This shock absorbing mount is used for mounting glass encapsulated reed switches on printed circuit boards. The antishock mount absorbs reasonably high loads of approximately 5000 G's, and has high reliability and excellent current conductivity. The antishock device is provided by a dual-coiled spring made from a beryllium copper wire. The adjacent coils are wound with two different diameters, the small coils in which the switch end is inserted and soldered and the large coils which are soldered to the circuit board and provide the shock absorbing characteristic. The drawing shows two arrangements either of which can be used depending upon the degree of shock absorbtion required. The single spring per contact version is suitable for all applications except the most critical. It is assembled with a conventional number of solder joints on the board. The two spring per connection version requires twice as many solder connections on the printed circuit board and provides a greater degree of shock absorbtion.

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