Stable torque arm mounting for weigh scale

Details Stable torque arm mounting for weigh scale Stable torque arm mounting for weigh scale

1996-02-21

1998-02-17

Gellner, Michael L.

Weighing scales

Structural installation

Geographic

177263, 177DIG9, G01G 2123

Patent

active

057193568

ABSTRACT:
An improvement is provided in the mounting means for a weigh scale including a fixed peripheral frame base structure (the "base"), a central, movable, load-supporting platform (the "platform"), and interconnections between the platform with the base to allow limited vertical motion of the platform. The interconnecting means comprises at least four torque-transmitting tubular arms which are mounted and arranged around the perimeter of the platform, with one portion of each torque-transmitting tubular arm being supported with respect to the base, and another portion of each torque-transmitting tubular arm being supported with respect to the platform. The improved mounting includes a butterfly block at each end of each such torque-transmitting tubular arms. The butterfly block includes two parallel upper vertical guideways and two parallel lower vertical guideways. A roller pad is disposed at the bottom of each such guideway, the outer exposed face of each such roller pad having a semi-cylindrical protrusion thereon. An associated upright roller bar is disposed within each upper guideway, the bottom face thereof being planar, and resting on the semi-cylindrical protrusion of an associated roller pad, and the upper face thereof being curved and abutting the bottom face of the platform or the base, respectively. An associated upright roller bar is disposed within each lower guideway, the lower face of each roller bar being secured to the platform or to the bottom, respectively, of the base, the top face of each abutting the semi-cylindrical protrusion of an associated roller pad.

REFERENCES:
patent: 3354973 (1967-11-01), Farquhar
patent: 4064955 (1977-12-01), Dyck
patent: 4386671 (1983-06-01), Dyck
patent: 4549622 (1985-10-01), Leiman
patent: 4560017 (1985-12-01), Hood
patent: 4609062 (1986-09-01), Hale et al.
patent: 4744254 (1988-05-01), Barten
patent: 5174404 (1992-12-01), Nuyts

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