Blasting device with oscillating nozzle

Details Blasting device with oscillating nozzle Blasting device with oscillating nozzle

1996-01-11

1997-12-09

Rose, Robert A.

Abrading

Machine

Sandblast

451 87, 451350, 451344, 280 4736, B24C 306

Patent

active

056953895

ABSTRACT:
A blasting device for directed air with entrained blast media at a work surface includes a frame supporting a reciprocal valve, and an adjustable valve limit switch. A shaft is attached to the reciprocal valve at one end, and is supported via a bearing assembly at the other end with a blast nozzle mounted thereto. Rotation of the reciprocal valve causes rotation of the interconnected blast nozzle such that air with entrained blast media exiting the blast nozzle travels along a path beneath the frame. The frame is supported on wheels, and is moved along a work surface by an operator. A vacuum port is positioned adjacent the work surface for removing spent blast media with entrained debris from beneath the blasting device. The handle may be rotated from end to end for ease of operation to assure that the user may move the blasting device in either the forward or rearward direction along a work surface.

REFERENCES:
patent: 2763492 (1956-09-01), Phelps
patent: 3916568 (1975-11-01), Rose et al.
patent: 3958652 (1976-05-01), Urakami et al.
patent: 4029164 (1977-06-01), Urakami
patent: 4095378 (1978-06-01), Urakami
patent: 4220284 (1980-09-01), Beiswenger et al.
patent: 4563840 (1986-01-01), Urakami
patent: 4688289 (1987-08-01), Urakami
patent: 4809383 (1989-03-01), Urakami
patent: 4934475 (1990-06-01), Urakami
patent: 5181348 (1993-01-01), Roemmele et al.
patent: 5291697 (1994-03-01), Nelson
patent: 5339573 (1994-08-01), Uchida et al.

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