Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1977-07-19
1980-01-15
Rubinson, Gene Z.
Electricity: conductors and insulators
Feedthrough or bushing
Compression
174 65G, 174153G, 58140R, G04B 1900
Patent
active
041832043
ABSTRACT:
A hollow generally cylindrical member is provided as a central support means for the clockwork of watches or clocks. The member has an outwardly extending annular flange portion against which may be abutted such clockwork elements as a dial carrier and a mechanism housing in superposed relation. The cylindrical member comprises, at the end thereof opposite the flange, a plurality of resiliently supported latch portions which are formed by providing U-shaped recesses extending axially inwardly from said other end of the bushing, with the result that each latch portion can be flexed radially inwardly since the bushing is preferably formed of a generally elastic material. The dial carrier and mechanism housing may be pressed axially on the bushing at its other end, and since each latch portion is provided with a chamfered outer surface, the axially exerted force causes each of the latch portions to be flexed inwardly to permit the dial carrier and mechanism housing to be placed over the latch portions which then spring back to hold both the dial carrier and mechanism housing against the outer flange.
REFERENCES:
patent: 3004238 (1961-10-01), Damon
patent: 3164054 (1965-01-01), Biesecker
patent: 3768115 (1973-10-01), Hoffman
patent: 3896682 (1975-07-01), Kreidler
patent: 3991446 (1976-11-01), Mooney
Pojunas, Jr. Leonard W.
Rubinson Gene Z.
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