Rotary drive device for mandrel-carrying arbors of tire dismount

Details Rotary drive device for mandrel-carrying arbors of tire dismount Rotary drive device for mandrel-carrying arbors of tire dismount

1983-08-18

1985-09-03

Smith, James G.

Wheelwright machines

Wheel holding means

Means rotates around relatively fixed axis

B60C 2500

Patent

active

045386609

ABSTRACT:
A drive arrangement is disclosed for rotating the rim and tire supporting mandrel of a tire dismounting machine. The drive arrangement includes a hydraulic cylinder reciprocable relative to a piston rod fixed in the machine housing. The cylinder carries a rack engaging a pinion on an arbor which supports the mandrel, whereby reciprocation of the cylinder in opposite directions relative to the piston rod rotates the mandrel and thus a rim and tire thereon in opposite directions, each of which directions provide for one revolution of the mandrel in the corresponding direction.

REFERENCES:
patent: 3807477 (1974-04-01), Curtis
patent: 3847198 (1974-11-01), Brosene
patent: 4031941 (1977-06-01), Malinski et al.

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