Chain gear pulling and holding device

Details Chain gear pulling and holding device Chain gear pulling and holding device

1978-02-06

1979-05-29

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Resilient tire-casing spreaders

B66F 300

Patent

active

041565207

ABSTRACT:
A channel-shaped housing has an enclosed rectilinear passageway longitudinally therethrough for guiding a roller chain therealong when the latter is moved by the rotation of a sprocket wheel positioned above the chain, the teeth of the sprocket wheel engaging from above certain rollers of the links of the chain. The rearward end of the floor of the housing is shaped to provide a rigid stationary pawl adapted to enter the interspace of an associated chain link for holding the chain against movement in one direction. Another pawl, spring biased and pivotally movable, is adapted to engage a tooth of the sprocket wheel, the pawls being so related to the chain that the stress on the chain is divided between the pawls. A simpler modified embodiment omits the pivoted pawl, utilizing only rigid stationary pawls, or alternately, the device may be used without any of the stationary pawls.

REFERENCES:
patent: 326419 (1885-09-01), Forker
patent: 3193253 (1965-07-01), Ratcliff et al.
patent: 3285570 (1966-11-01), Sweger

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