Telescopable vacuum-cleaner suction pipe

Details Telescopable vacuum-cleaner suction pipe Telescopable vacuum-cleaner suction pipe

1990-05-18

1991-09-10

Cuomo, Peter M.

Pipe joints or couplings

Vacuum cleaner type

285318, 285316, 285119, 403108, F16L 2100

Patent

active

050467611

ABSTRACT:
A vacuum-cleaner pipe has an inner tube telescopingly received in an enlarged end of an outer tube. A retaining element diametrically opposite a slider which can be operated by the user can be received in an annular space between the tubes and on opposite sides of a guide body around which, in at least a partial turn, extends a bar spring which is braced against the guide body and not only provides the bias to the retaining element in the direction in which it presses a detent into a selected recess of a detent strip of the inner tube, but also forms the coupling between the slider and the retaining element so that upon movement of the slider in one direction, the retaining element is moved in the opposite direction.

REFERENCES:
patent: 2885223 (1956-10-01), Duff
patent: 3244437 (1964-01-01), Belicka et al.
patent: 3351359 (1964-12-01), Ferraris
patent: 3351363 (1964-12-01), Downey et al.
patent: 4055359 (1977-10-01), McWethy
patent: 4079965 (1978-03-01), Moughty et al.
patent: 4904002 (1990-02-01), Sasa et al.

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