Telescopic structure

Details Telescopic structure Telescopic structure

1974-02-27

1976-01-27

Aegerter, Richard E.

Pipes and tubular conduits

Plural duct

Surrounding radially spaced duct with axially spaced...

138114, 138178, 312301, 312330R, F16L 700, F16L 920

Patent

active

039346161

ABSTRACT:
A telescopic structure comprises an inner and an outer member telescopic relative to each other, and means for supporting and/or guiding one member relative to the other member, comprising a pair of wheels mounted on each member and positioned between the members, the wheels on one member bearing on parallel runways fixed to the other member, the runways each having an at least partly circular section with the peripheral surfaces of the wheels bearing on the runways being correspondingly toroidally shaped to have geometric projections in a plane perpendicular to the direction of extent of the runways extending parallel and perpendicular to the rotational axes of the wheels.

REFERENCES:
patent: 2535707 (1950-12-01), Vezey
patent: 2614017 (1952-10-01), Mugnier
patent: 3416850 (1968-12-01), Hilfinger et al.
patent: 3490823 (1970-01-01), Neu et al.
patent: 3744869 (1973-07-01), Anderson et al.

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