Beam compass
First Claim
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1. A beam compass comprising:
- a hollow elongated beam;
first securing means for securing a first implement on said beam at a first location along the length thereof;
a slot communicating with the interior of said beam and extending along at least a portion of the length thereof and away from said first location; and
second securing means for releasably securing a second implement on said beam at a selected location along said slot, wherein said second securing means comprises;
an interior portion inside said beam and an exterior portion outside said beam, said interior portion and said exterior portion being connected through said slot and cooperating to releasably secure said implement at a desired location along said slot; and
adjusting means for adjusting the relative positions of said interior portion and said exterior portion such that said interior portion is urged against the inside surface of said beam and said exterior portion is urged against the outside surface of said beam.
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Abstract
A beam compass including a hollow beam, two implement securing units, and a slot communicating with the interior of the beam and extending along at least a portion of the length of the beam and away from the first implement securing unit. At least one of the implements is releasably secured to the beam at a selected location along the slot by means of a second securing unit which includes an interior portion inside the beam and an exterior portion outside the beam. The interior portion and the exterior portion are connected through the slot and cooperate to releasably secure the implement at a desired location along the slot.
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Citations
11 Claims
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1. A beam compass comprising:
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a hollow elongated beam; first securing means for securing a first implement on said beam at a first location along the length thereof; a slot communicating with the interior of said beam and extending along at least a portion of the length thereof and away from said first location; and second securing means for releasably securing a second implement on said beam at a selected location along said slot, wherein said second securing means comprises; an interior portion inside said beam and an exterior portion outside said beam, said interior portion and said exterior portion being connected through said slot and cooperating to releasably secure said implement at a desired location along said slot; and adjusting means for adjusting the relative positions of said interior portion and said exterior portion such that said interior portion is urged against the inside surface of said beam and said exterior portion is urged against the outside surface of said beam. - View Dependent Claims (2, 4, 5, 6, 7, 8, 9, 10, 11)
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3. A beam compass as claimed in claim 3, wherein each stabilizing member contacts at least two points on the interior surface of said beam.
Specification