Compass with adjusting means
AssigneeJ. S. Staedtler GmbH & Co.
InventorsChristain Leibeck, Peter Weiss, Helmut Hufnagl
Life of this patent
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Abstract
A compass with an adjusting mechanism for adjusting the compass legs and for changing the distance between the compass points, wherein each compass leg includes a pivot bearing and an adjustment bearing. Each compass leg is constructed as a two-armed lever, wherein a first lever arm of each lever extends along the compass leg axis from the pivot bearing to the compass leg point, on the one hand, and a second lever arm extends from the pivot bearing to the compass arm end. The adjustment bearing, or a tilting bearing constructed as the adjustment bearing, is arranged in the second lever arm of each two-armed lever forming a compass leg.
Claims26
A compass comprising two compass legs and an adjusting means for the compass legs, wherein each compass leg has an axis, a leg end and a leg point opposite the leg end, further comprising a pivot bearing and an adjustment bearing mounted on each compass leg, each compass leg being constructed as a two-armed lever having a first lever arm and a second lever arm extending in opposite directions from the pivot bearing, the first lever arm extending along the leg axis from the pivot bearing to the leg point and the second lever arm extending from the pivot bearing to the leg end, wherein the adjusting means act on the adjustment bearings, and wherein the adjustment bearings are mounted in the second lever arms of the compass legs.
Dependencies are inferred from the claim text.