Geometrical instruments
Patent
1983-07-11
1986-09-02
Weidenfeld, Gil
Geometrical instruments
339 49R, 339 94M, H01R 1100
Patent
active
046092471
ABSTRACT:
The male connector plug has a cylindrical body portion which has a forward cylindrical section of a smaller diameter and a rear cylindrical section of a larger diameter. Each such body section is surrounded by an O-ring. The mating female connector plug has a tubular body portion whose bore defines a forward cylindrical bore section of a larger-diameter and a rear cylindrical bore section of a smaller diameter. Each bore section has an annular groove therein.
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patent: 4445741 (1984-05-01), Annoot
Breston Michael P.
Houston Geophysical Products, Inc.
Kline Thomas M.
Weidenfeld Gil
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