Locking tube assembly

Details Locking tube assembly Locking tube assembly

1977-03-04

1978-02-28

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Resilient tire-casing spreaders

254 62, A47G 2704

Patent

active

040762130

ABSTRACT:
There is disclosed an extendible, locking tube assembly of outer and inner telescoping tubes. The outer tube internally carries a locking collar having an obliquely inclined central aperture that slidably receives an elongated locking member. An end of the elongated member is removably attached to the inboard end of the inner tube. The locking collar has a radial lug that projects exteriorly of the outer tube and bears against an abutment carried on the outside of the outer tube. The locking collar is biased into a position preventing retraction of the elongated member and its dependent inner tube. A lever, attached to the collar, projects exteriorly of the outer tube on the side opposite the abutment, thereby permitting a single-handed release of the locking mechanism. When the assembly is employed, as in its preferred application, with a carpet stretcher, one can release the locking mechanism without shifting one's position from that taken for operation of the carpet stretcher.

REFERENCES:
patent: 3693936 (1972-09-01), Payson
patent: 3791624 (1974-02-01), Payson
patent: 3917225 (1975-11-01), Payson

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