Column of telescopically adjustable length

Details Column of telescopically adjustable length Column of telescopically adjustable length

1978-06-26

1980-01-15

Shedd, Wayne L.

Joints and connections

With fluid pressure responsive component

108147, 108144, 297347, 248161, 248404, 403119, F16D 380, F16L 1700

Patent

active

041836898

ABSTRACT:
A column in which an inner elongated member of circular cross section is partly received in the polygonal bore of an outer, tubular member and secured against angular displacement about the common axis by guide elements secured against longitudinal movement in respective recesses of the inner member open toward the outer member and engaging the outer member in respective corners of its polygonal cross section. A manually controlled arresting mechanism permits the two column members to be arrested against relative longitudinal movement in a multiplicity of relative positions.

REFERENCES:
patent: 3285207 (1966-11-01), Vom Hagen
patent: 3311337 (1967-03-01), Vom Hagen
patent: 3521341 (1970-07-01), Hornlein et al.

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