Suction tube mounted with an auxiliary brush of a vacuum cleaner

Details Suction tube mounted with an auxiliary brush of a vacuum cleaner Suction tube mounted with an auxiliary brush of a vacuum cleaner

1995-12-26

1997-04-22

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15377, 15398, A47L 906

Patent

active

056219466

ABSTRACT:
A suction tube mounted with an auxiliary brush of a vacuum cleaner separates coupled extension pipes from each other while projecting the auxiliary brush from the suction tube, and couples the extension pipes with each other while retreating the auxiliary brush from the preceding end of the suction tube which includes the first extension pipe, second extension pipe and auxiliary brush slidably mounted to the outer periphery of the first extension pipe in the lengthwise direction. The auxiliary brush is biased toward the front side of the first extension pipe by a biasing member and retreats toward the rear side of the first extension pipe by a retracting member. The suction pipe further has a latching unit for latching the second extension pipe into the first extension pipe while maintaining the auxiliary brush on the retreating position from the preceding end of the first extension pipe when the second extension pipe is completely inserted into the first extension pipe and releasing the latching by the manipulation of a press button.

REFERENCES:
patent: 969913 (1910-09-01), Spencer
patent: 2321231 (1943-06-01), Missmer
patent: 2351507 (1944-06-01), Hallock
patent: 3259934 (1966-07-01), Leinfelt
patent: 4897894 (1990-02-01), Fahlen
patent: 5502870 (1996-04-01), Ragner et al.

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