Expansible chamber devices – With inspection window in expansible chamber wall portion – With lock
Patent
1982-05-25
1985-10-08
Richter, Sheldon J.
Expansible chamber devices
With inspection window in expansible chamber wall portion
With lock
92136, 92212, F01B 2526, F01B 3112
Patent
active
045452881
ABSTRACT:
A quarter turn actuator comprises a body (10) defining side-by-side cylinders (11 and 12), a piston (13) in each cylinder having in one side thereof a recess in which is provided a rack (15), a pinion (16) mounted in the body and engaging the racks on the pistons, a source for supplying compressed air to the cylinders and an air distribution system interconnecting each end of each cylinder with the other end of the other cylinder. The body (10) is preferably molded of plastic material and the cylinders are lined. The pistons may also be molded plastic material.
REFERENCES:
patent: 1156590 (1915-10-01), Doval
patent: 1388552 (1921-08-01), Corser
patent: 1490849 (1924-04-01), Philip
patent: 2123181 (1938-07-01), Deputy
patent: 2844127 (1958-07-01), Steiner
patent: 3040712 (1962-07-01), Harrah
patent: 3148595 (1964-09-01), Looney
patent: 3155014 (1964-11-01), Genz
patent: 3156160 (1964-11-01), Meyer et al.
patent: 3411409 (1968-11-01), Bunyard
patent: 3971296 (1976-07-01), Tugwell
patent: 4081984 (1978-04-01), Gustafsson et al.
patent: 4167897 (1979-09-01), Bunyard
patent: 4203351 (1980-05-01), Schwind
patent: 4207807 (1980-07-01), Takata et al.
patent: 4257313 (1981-03-01), Sheppard
patent: 4260128 (1981-04-01), Tito
patent: 4306489 (1981-12-01), Driver et al.
patent: 4309937 (1982-01-01), Schardt
patent: 4334507 (1982-06-01), Kohnert et al.
patent: 4392631 (1983-07-01), DeWald
Richter Sheldon J.
Rodyne Limited
Smith Randolph A.
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