Suction pipe for dust or liquid suction device

Details Suction pipe for dust or liquid suction device Suction pipe for dust or liquid suction device

1975-01-06

1976-04-13

Aegerter, Richard E.

Pipe joints or couplings

Vacuum cleaner type

285 27, 285260, 285330, 285DIG22, A47L 924, F16L 3708

Patent

active

039500144

ABSTRACT:
A sectioned suction pipe, especially for a cleaning device, in which the pipe sections have plug and sleeve portions for telescopic engagement. Each plug portion has a radial protuberance receivable in a recess in the sleeve portion of the adjacent pipe section. Each sleeve portion has an axial incision along each side of the recess therein to impart resiliency thereto and a groove is formed inside each sleeve portion to guide the protuberance toward the recess.

REFERENCES:
patent: 1175402 (1916-03-01), Baylis
patent: 2142149 (1939-01-01), Replogle
patent: 2580725 (1952-01-01), Breckenridge
patent: 2712950 (1955-07-01), Siebert
patent: 2982586 (1961-05-01), Gliebe
patent: 3413021 (1968-11-01), Potts

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