A bore seal telescopic hoist

Details A bore seal telescopic hoist A bore seal telescopic hoist

B - Operations, Transporting

66

F

B66F 3/28 (2006.01) B66C 23/70 (2006.01)

Patent

CA 2226618

A bore seal telescopic hoist is formed of a series of telescopically arranged tubular sections each having a circumferential reservoir. A circumferential wiper is lodged in the reservoir and is used to collect debris or dirt which may be present on the inner wall of an adjacent tubular section.

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