Flow-through telescoping pole

Details Flow-through telescoping pole Flow-through telescoping pole

1993-07-07

1994-05-31

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Pipe coupling or union

137899, 285178, 285302, F16K 500

Patent

active

053162641

ABSTRACT:
A flow-through telescoping pole apparatus is provided for use in dispensing fluid from a suitable fluid source, such as a common garden hose. The apparatus includes an elongated hollow outer pole and an inner pole received in the outer pole for axial telescoping movement. A seal is provided in the space between the inner and outer poles to prevent leakage of fluids from between the poles. A locking assembly is also provided, and permits the inner pole to be locked against axial movement relative to the outer pole. The locking assembly includes a cam mounted on the inner pole and a friction member supported between the cam and the outer pole. The cam pinches the friction member against the outer pole when the inner pole is rotated relative to the outer pole to lock the axial position of the inner pole.

REFERENCES:
patent: 1553164 (1925-09-01), Hook
patent: 2008574 (1935-07-01), Bock
patent: 3837689 (1974-09-01), Csatlos
patent: 3942826 (1976-03-01), Lester
patent: 4071266 (1978-01-01), Mountford
patent: 4650224 (1987-03-01), Smith

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