Weighing apparatus including overload protection means

Details Weighing apparatus including overload protection means Weighing apparatus including overload protection means

1983-03-22

1985-01-29

Goldberg, E. A.

Weighing scales

Shock absorber, damper

Load-holder transmission mechanism

177184, 177189, 177225, 177126, G01G 2110

Patent

active

044960140

ABSTRACT:
Weighing apparatus is disclosed of the short-stroke vibratory string type including a housing (3, 5) in which is arranged a load cell device including a stationary member (1) and a vertically movable load receiving member (2), characterized by the provision of a vertically collapsible overload protection device (F) arranged within the housing around the stationary load cell member for connecting a weighing platform or pan (6) arranged above the housing with the movable load receiver member. The overload protection device includes a horizontal open rectangular frame having relatively vertically movable upper (7) and lower (8) frame sections, stop lugs (23) being provided on the housing for limiting the extent of downward travel of the upper frame member. A snap spring arrangement (14, 18) is provided for biasing the upper and lower frame members vertically apart.

REFERENCES:
patent: 4278139 (1981-07-01), Caris
patent: 4300646 (1981-10-01), Melcher et al.
patent: 4411327 (1983-10-01), Lockery et al.

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