Vacuum loading machine

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

Patent

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Details

15315, 153401, 134168C, B08B 302, B08B 904

Patent

active

049225715

ABSTRACT:
A mobile vacuum loading machine has a swivel assembly permitting the boom to be rotated 360.degree. through the use of internal hydraulic and pneumatic passages in the swivel assembly. The hose reel is mounted on the rear of the machine and capable of being swung out outwardly a full 180.degree. and fixedly held at any position through the use of a linkage assembly attached to a hydraulic cylinder.

REFERENCES:
patent: 3150404 (1964-09-01), Johnson
patent: 3348258 (1967-10-01), Daneman
patent: 3613915 (1971-10-01), Vita
patent: 4199837 (1980-04-01), Fisco
patent: 4207647 (1980-06-01), Masters
patent: 4234980 (1980-11-01), DiVito et al.
patent: 4446591 (1984-05-01), Wiedemann
patent: 4525277 (1985-06-01), Poulin
patent: 4669145 (1987-06-01), Kehr
patent: 4805653 (1989-02-01), Krajicek et al.

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