A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
A47C 1/06 (2006.01) A47C 3/30 (2006.01)
Patent
CA 2235397
The hydraulic device for raising and lowering seat of the barber's chair has a main housing section and a lower section. A sliding plunger is slidably mounted in a sleeve extending between the lower section and the top cover of the main housing section. An oil pump is operative to force the oil contained with the main housing section into a channel in the lower section to the bottom of the sleeve for raising or lowering the sliding plunger. The seat of the barber's chair is mounted to the top of the sliding plunger. The joint between the lower section and the main housing section is permanently sealed with a metal compound by welding, brazing or soldering.
Kigel Rudolf
Wong David W.
LandOfFree
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