Suspension for silo unloaders

Details Suspension for silo unloaders Suspension for silo unloaders

1979-05-10

1981-01-06

Kunin, Stephen G.

Material or article handling

Static receptacle and means for charging or discharging, or...

Nongravity discharging means

414317, 414322, 406114, B65G 6500, B65G 100

Patent

active

042433525

ABSTRACT:
A silo unloader is of the type having a tripod with inwardly and upwardly inclined legs, including a main leg and lateral legs, surmounting the wall of a cylindrical silo, and a silo unloader mechanism has three generally radially extending horizontal support arms to each of which is secured a suspension cable trained over a sheave at the upper end of one of the tripod legs to suspend the mechanism in the silo. Each of the sheaves is journalled in a yoke which is freely suspended at the upper end of a tripod leg, and because of the way the suspension cables must run from the winch to the sheaves, the yokes are displaced from a vertical suspension by the load on the cables. The structure of the support arms permits securement thereto of the three suspension cables at points which compensate for the displacement of the sheave yokes, so as to cause each cable to hang effectively vertically from the sheave over which it is trained.

REFERENCES:
patent: 593186 (1897-11-01), Baker
patent: 1479990 (1924-01-01), Keys
patent: 2677474 (1954-05-01), Long et al.
patent: 2963327 (1960-12-01), Seymour et al.
patent: 4132450 (1979-01-01), Hansen

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