Drive roller in conveyor

Details Drive roller in conveyor Drive roller in conveyor

1992-04-06

1992-11-10

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Pusher conveyor and separate load support surface

198781, 198782, 414529, B65G 3500

Patent

active

051616726

ABSTRACT:
A drive roller for use in a conveyor, comprising rotary shafts supported in respective bearings, the respective rotary shafts being provided at the respective ends of a core member and one of the rotary shafts being connected to a drive source. The core member is a hollow- or solid-cylindrical one and has provided thereon and fastened at the respective end portions thereof a tubular inflatable member having at least one inner cord layer in which the cords are laid with a predetermined angle, one end of which inflatable member is fastened to one end portion of the core member while the other end of the inflatable member is folded back inwardly and fastened to the other end portion of the core member, thus a sealed space being defined between the inflatable member and the outer surface of the core member. A fluid passage is formed in the core member to supply and discharge the fluid to and from the sealed space to inflate and deflate the inflatable member, the inflatable member when inflated having a cylindrical outer surface. A to-be-conveyed object is supported and driven only on the outer surface of the inflatable member when inflated.

REFERENCES:
patent: 1743223 (1930-01-01), Lowy
patent: 3613852 (1971-10-01), Schwarzbeck
patent: 3899070 (1975-08-01), Lang
patent: 4783108 (1988-11-01), Fukuyama et al.

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