Precision balance
AssigneeMettler Instrumente AG
InventorPaul Luchinger
Life of this patent
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Abstract
A precision balance in which the fastening surface (56) for an upper guide arm (22) is fastened to a housing (42) which, by means of a pair of parallel levers (48,50) is vertically movable along the side wall (24) of the balance (18). The movement is effected by means of an adjusting element which engages in a conical slot (60) defined between the upper movable portion of the housing (42) and a bearing face (64) which is arranged immovable relative to the balance (18).
Claims9
A precision balance, comprising a support member, a weighing dish attached to said support member, said support member mounted in the balance so as to perform essentially exclusively a vertical movement during weighing, upper and lower guide arms attached to said support member, an adjusting device attached to the stationary balance structure, said adjusting device comprising a housing with a fastening surface, the end of one of said guide arms connected to said fastening surface, wherein said adjusting device acts to raise and lower said fastening surface without angular change thereof.
Dependencies are inferred from the claim text.