Electromagnetic motor brake unit for rotary drain and sewer rout

Details Electromagnetic motor brake unit for rotary drain and sewer rout Electromagnetic motor brake unit for rotary drain and sewer rout

1992-03-12

1993-06-29

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

310 77, 226 11, B08B 902

Patent

active

052222705

ABSTRACT:
An apparatus for routing a passageway in a conduit includes an elongate cable for direction into a conduit passageway. A cable supply drum contains a supply of the cable and is rotatable about an axis, there being a length of the cable projecting to outwardly of the drum. A motor selectively imparts rotation to the drum about the axis. The cable and drum are configured such that the projecting length of cable rotates about its length as an incident of the drum being rotated about its axis. A brake is provided for stopping rotation of the drum and thereby rotation of the projecting length of cable so as to prevent torquing of the projecting length of cable as when the projecting length of cable is prevented by freely rotating by an obstruction encountered in a conduit passageway.

REFERENCES:
patent: 4734604 (1988-03-01), Sontheimer et al.
patent: 4811820 (1989-03-01), Rossi
patent: 5031276 (1991-07-01), Babb et al.

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