Clutch control means for a pneumatic needle positioner

Details Clutch control means for a pneumatic needle positioner Clutch control means for a pneumatic needle positioner

1973-12-12

1976-08-10

Wyche, Benjamin W.

192 clutches and power-stop control

Clutches

Operators

192104F, F16D 43284

Patent

active

039736580

ABSTRACT:
A machine comprising a rotary drive shaft and a pneumatically operated clutch: a plurality of pressure chambers to which air is supplied for controlling said clutch; means for varying the air pressure in one of said chambers corresponding to the speed of rotation of said shaft and comprising centrifugally controlled valve means mounted on said shaft for rotation therewith and connected to said one of said chambers to cause a build up of pressure in said one of said chambers corresponding to the rotational speed of said drive shaft.

REFERENCES:
patent: 2144074 (1939-01-01), Maybach
patent: 2381786 (1945-08-01), Tyler
patent: 2482460 (1949-09-01), Browne
patent: 3352395 (1967-11-01), Hilpert

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