Draft protection device for a precision balance

Details Draft protection device for a precision balance Draft protection device for a precision balance

1991-10-23

1992-12-15

Miller, Jr., George H.

Weighing scales

With casing closure or shield

Transparent

177238, G01G 2318, G01G 2128

Patent

active

051708558

ABSTRACT:
A draft protection device for a precision balance includes a base and a stationary rear wall connected to the base. The top of a front pane is connected through two connecting bars to the rear wall. The draft protection device further includes two sliding doors which are slidably mounted in longitudinal guides in the connecting bars and in the base. Racks are mounted in the areas of the upper edge and of the lower edge of at least one of the sliding doors. Pinions connected to each other through a vertically extending shaft mounted at the rear wall mesh with the racks. The shaft may be driven by an electric drive.

REFERENCES:
patent: 4465152 (1984-08-01), Schmitter
patent: 4664207 (1987-05-01), Knothe et al.
patent: 4666005 (1987-05-01), Komoto et al.
patent: 4700793 (1987-10-01), Luchinger
patent: 4789034 (1988-12-01), Luchinger et al.
patent: 5058692 (1991-10-01), Melcher et al.

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