Wind-up device for flexible conduits, such as hydraulic hoses

Details Wind-up device for flexible conduits, such as hydraulic hoses Wind-up device for flexible conduits, such as hydraulic hoses

1978-09-05

1980-09-30

Schwadron, Martin P.

Fluid handling

With casing, support, protector or static constructional...

With hose storage or retrieval means

242107, 13735526, B65H 7548

Patent

active

042249600

ABSTRACT:
A wind-up device for a flexible conduit, such as a hydraulic hose. The wind-up device includes a drum rotatable on a stationary shaft. A coil spring assembly including a spiral coil spring therewithin is mounted at one end of the shaft and the outer axial end of the drum. The other, opposite end of the shaft includes a fixation portion by which the shaft is fixed in its stationary condition. The radially inner end of the coil spring is anchored with respect to the stationary shaft through a spring hub detachably mounted to the one end of the shaft. The spring hub serves not only to anchor the spring with respect to the shaft but also to provide an axial pressure bearing at the one end of the shaft for holding the drum in place axially on the shaft. One or more fixation elements extend between the spring hub and the shaft to normally prevent relative rotation between the spring hub and shaft. At least one of these fixation elements is eccentrically positioned. Such fixation element is movable out of engagement with the shaft to selectively permit relative rotation between the spring hub and the shaft to effect tensioning or release of the coil spring.

REFERENCES:
patent: 2340630 (1944-02-01), Ungar
patent: 2887121 (1959-05-01), Magee
patent: 3467134 (1969-09-01), Becker et al.
patent: 3552425 (1971-01-01), Olson
patent: 3709252 (1973-01-01), Bishop

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