Stroke apparatus

Details Stroke apparatus Stroke apparatus

1985-04-29

1985-12-10

Gilreath, Stanley N.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

74 22R, B65H 5428

Patent

active

045574324

ABSTRACT:
The stroke apparatus contemplated herein comprises a plurality of annular races each having an inner annular surface of an arcuately bulging cross-section and rotatably accommodated in a support. These annular races are rotatably journaled in a housing in an alternately offset or staggering fashion. A rotary shaft extends through these annular races, and one of the race supports has a pivotal shaft placed at the center of, or at a shifted position from, the corresponding other races and the upper and lower race supports have their pivotal shafts placed in positions shifted to the opposite sides of the rotary shaft. The bulging cross-sections of each of the annular races is forced in contact with the rotary shaft. A guide stem is provided in parallel with the rotary shaft and engaging said housing for sliding movement therealong.

REFERENCES:
patent: 2940322 (1960-06-01), Uhing

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