Supports – Brackets – Specially mounted or attached
Patent
1977-11-14
1980-04-08
Staab, Lawrence J.
Supports
Brackets
Specially mounted or attached
248363, F16B 4700
Patent
active
041968824
ABSTRACT:
A double suction cup holder in which the two suction cups are connected by a stem has a longitudinal air passageway through the stem connecting the two cups. A diametrical opening traverses the passageway and has a valve member rotatably mounted therein which has inter-communicating longitudinal and diametrical bores. When the valve is turned so that its diametrical bore communicates with the air passageway, the vacuum in the cups is spoiled releasing the holder.
REFERENCES:
patent: 1448690 (1923-03-01), Hetzer et al.
patent: 2377416 (1945-06-01), Haberstump
patent: 2385977 (1945-10-01), Farmer
patent: 2565793 (1951-08-01), Weismantel
patent: 2650792 (1953-09-01), Marco
patent: 2777141 (1957-01-01), Nye
patent: 3129971 (1964-04-01), Kobler
patent: 3720433 (1973-03-01), Rosfelder
patent: 3879005 (1975-04-01), Flick
patent: 4019536 (1977-04-01), Dong et al.
Podell Howard I.
Staab Lawrence J.
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