Pipe joints or couplings – With casing – lining or protector – Insulated
Patent
1986-09-04
1988-04-19
Corbin, John K.
Pipe joints or couplings
With casing, lining or protector
Insulated
350257, 354286, 285332, G02B 702, G03B 1700
Patent
active
047385120
ABSTRACT:
The clearance-free fit for cylindrical mountings, in particular photographic lenses, is produced by recesses in the inner wall of a main mounting and projections in the outer wall of an individual mounting, to be fastened in the main mounting by inserting and by a relative rotary movement between the two mountings. The recesses and the projections are of such a configuration that a sufficiently large clearance s is present when the individual mounting is inserted, and this clearance is removed by turning to produce a frictional connection.
REFERENCES:
patent: 2449121 (1948-09-01), Jones
patent: 4062030 (1977-12-01), Starp
patent: 4364652 (1982-12-01), Iwata et al.
Faatz Rudi
Kolb Friedrich
Kuehn Joachim
Mehl Walter
Moeller Siegfried
Ben Loha
Corbin John K.
Ernst Leitz Wetzlar GmbH.
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