Woodworking machine, such as a traversing sanding machine

Details Woodworking machine, such as a traversing sanding machine Woodworking machine, such as a traversing sanding machine

1991-05-13

1992-10-20

Olszewski, Robert P.

Conveyors: power-driven

Conveyor section

Having means to enhance the friction or adherence between...

144242A, 144245A, 51235, B65G 1746

Patent

active

051562570

ABSTRACT:
A woodworking machine of the traversing type for carrying items (23) on a vacuum conveyor belt (3) is provided with a number of compressed air nozzles (10) which direct a stream of air towards the items (23) on the belt, the nozzles (10), being connected to the pressure side (9) of air pumps (6), and the suction of the conveyor (3) is connected to the pump's inlet sides (8). A reduction in the friction of the belt (13) as well as the wear on its supporting plate (18), is obtained by the formation of eddy currents in grooves (20), formed in the belt supporting plate (18) through which the air is sucked.

REFERENCES:
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patent: 4323149 (1982-04-01), Pavone
patent: 4416090 (1983-11-01), Jonasson
patent: 4704823 (1987-11-01), Steinback
patent: 4719721 (1988-01-01), Stump

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