Chimney flue insertion apparatus

Details Chimney flue insertion apparatus Chimney flue insertion apparatus

1983-01-03

1985-02-19

Watson, Robert C.

Work holders

Suspended holder

269 481, 269238, 294 8624, 294 97, B23Q 100

Patent

active

045000786

ABSTRACT:
Multi-legged apparatus for frictionally engaging the interior of a chimney flue liner and inserting same in a chimney via a stanchion or multi-sectioned rods. Each L-shaped leg is containably and rotatably mounted to a center threaded rod. The legs are expandable via a moving carrier containing cantilever arms connected to each of said L-shaped arms, such that by moving said carrier up or down along said center rod, said arms radially expand or contract from said center shaft.

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patent: 3442546 (1969-05-01), Bachman
patent: 3727490 (1973-04-01), Diffenderfer et al.
patent: 4304398 (1981-12-01), Crowell

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