Synchronous drive and braking means for material handling car

Details Synchronous drive and braking means for material handling car Synchronous drive and braking means for material handling car

1992-10-28

1993-10-12

Le, Mark T.

Railways

Traction

Transverse live roll

B61B 1300

Patent

active

052515630

ABSTRACT:
A material handling car and track assembly is presented. The assembly comprises a car having a chassis portion, travel wheels mounted on the chassis portion, and a track having two parallel rails, the travel wheels being adapted to roll on the rails to facilitate movement of the car along the track. Frame portions depend from an underside of the chassis portion, the frame portions comprising first and second frame walls spaced from each other. First and second spindles are mounted between the rails, and contact wheels mounted on the spindles, the contact wheels being in a plane normal to the spindles. Bands are on the peripheries of the contact wheels for engaging the frame walls, the contact wheels being operative to modify the speed of the car in accordance with the selected rotational speed of the contact wheels.

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patent: 4867069 (1989-09-01), Kunczynski

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