Dust collector-equipped power cutter

Details Dust collector-equipped power cutter Dust collector-equipped power cutter

1998-06-11

2000-04-11

Rada, Rinaldi I.

Stone working

Sawing

Rotary

30124, B28D 702

Patent

active

060476931

ABSTRACT:
A dust collector-equipped power cutter, which is easy to handle in operation and convenient for storage and transportation thereof and is capable of preventing dusty air from flowing back to the cutter portion when a cutting operation is interrupted, includes a main body, a cutter, a dust-sucking fan, and a dust hose assembly. The dust hose assembly includes a first dust hose section and a second dust hose section and a hose connector joining the first hose section and the second hose section. Each of the hose sections has a spiral rib on an outer peripheral surface, and the hose connector has a spiral groove on an inner wall of each end portion, the dust hose section and the hose connector being adapted to be interconnected with each other through a threaded engagement between the spiral rib and the spiral groove. The hose connector is provided with a check valve to prevent back flow when a cutting operation is interrupted or terminated.

REFERENCES:
patent: 1000719 (1911-08-01), Cram
patent: 4095615 (1978-06-01), Ramsauer
patent: 4367665 (1983-01-01), Terpstra at al.
patent: 4491297 (1985-01-01), Maier et al.
patent: 5074044 (1991-12-01), Duncan et al.
patent: 5440809 (1995-08-01), Padilla
patent: 5819619 (1998-10-01), Miller et al.
Abstract of Japanese No. 6-79520.

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