Bull-wheel in several parts able to be reassembled on site...

Details Bull-wheel in several parts able to be reassembled on site... Bull-wheel in several parts able to be reassembled on site...

2005-01-12

2010-02-16

Siconolfi, Robert A (Department: 3657)

Endless belt power transmission systems or components

Friction drive pulley or guide roll

Pulley or guide roll including circumferential...

C474S176000, C474S166000, C474S195000

Reexamination Certificate

active

07662058

ABSTRACT:
A bull-wheel for a rope transport installation comprises a hub and a peripheral rim joined to the hub by a metal connecting framework composed of a perforated central disk strengthened by rigidifying arms. The rim is radially subdivided into several circular segments assembled to one another by first fixing members. The hub is fixedly secured to a support enclosure comprising at least one coaxial plate of polygonal cross-section confining at the ends bearing surfaces for the central disk and the radial rigidifying arms assembled by second fixing members. The assembly is arranged so as to distribute the radial forces in the axis of the rope uniformly regardless of the angular position of the bull-wheel when the latter is driven in rotation.

REFERENCES:
patent: 1331173 (1920-02-01), Webb
patent: 1334688 (1920-03-01), Woodworth
patent: 1477237 (1923-12-01), Bloss
patent: 1548335 (1925-08-01), Selser
patent: 1610588 (1926-12-01), Rawson
patent: 1694274 (1928-12-01), McKean
patent: 1694350 (1928-12-01), Bloss
patent: 1959570 (1934-05-01), Chevalier
patent: 2730906 (1956-01-01), Dickerson
patent: 3857340 (1974-12-01), Wright
patent: 4193311 (1980-03-01), Rinio et al.
patent: 2003/0040386 (2003-02-01), Yamasaki
patent: 1 099 880 (2001-05-01), None
patent: 140720 (1920-04-01), None

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