Vibration adjustable spacer

Details Vibration adjustable spacer Vibration adjustable spacer

1981-01-21

1983-05-31

Kucia, R. R.

Electricity: electrical systems and devices

Miscellaneous

211 41, 248566, 361415, H05K 114

Patent

active

043863906

ABSTRACT:
A vibration adjustable spacer (10) is disclosed. In a preferred implementation spacers 10, 10', 10" are used to damp the vibrational resonance of a number of printed circuit boards (42, 44, 46) in an assembly (40). The spacer (10) has an adjustable snubbing means (30) which extends to abut an essentially stationary surface (7) when the board is accelerated in one direction and a pivotable means (22) operating such that retraction of the snubbing means is impeded when the board is accelerated in the opposite direction.

REFERENCES:
patent: 2853656 (1958-09-01), Dowds
patent: 2894077 (1959-07-01), McCoy
patent: 3200297 (1965-08-01), Gibson
patent: 3476983 (1969-11-01), Robertis
patent: 3553532 (1971-01-01), Cheshire
patent: 3983459 (1976-09-01), Passler
patent: 4051549 (1977-09-01), Fiege
patent: 4232356 (1980-11-01), Saunders

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