Textiles: fiber preparation
Patent
1975-11-13
1977-05-31
Burr, Edgar S.
Textiles: fiber preparation
197144, B41J 1114
Patent
active
040264041
ABSTRACT:
An apparatus for the bodily shifting of a printing roller in parallelism with itself in which the roller has a first printing position and a second printing position and is mounted on connecting rods or levers which are actuated by eccentrics for movement of the printing roller between its first and second positions. A drive shaft is provided and the eccentrics are driveable by the drive shaft by a coil spring surrounding the drive shaft which can be tightened up on the shaft to cause the shaft to drive the spring or loosened on the shaft to cause the shaft to rotate within the spring. The spring has its opposite ends connected to discs and is tensioned in the tightening up direction and the discs are adapted to be stopped by a pawl arrangement which holds the discs with the spring in loosened up position and is movable to release the discs of the spring and will tighten up on the shaft and be driven thereby.
REFERENCES:
patent: 929896 (1909-08-01), Tanner et al.
patent: 1044331 (1912-11-01), Young
patent: 1750363 (1930-03-01), Schmid
patent: 1917984 (1933-07-01), Kittel
patent: 1929064 (1933-10-01), Hart
patent: 2233949 (1941-03-01), Kurowski
patent: 3174609 (1965-03-01), Frechette et al.
patent: 3910398 (1975-10-01), Kubota et al.
patent: 3934697 (1976-01-01), Kuramochi
Burr Edgar S.
Sewell Paul T.
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