Geometrical instruments – Gauge – Pivoted probes
Reexamination Certificate
2006-05-16
2006-05-16
Smith, R. Alexander (Department: 2859)
Geometrical instruments
Gauge
Pivoted probes
C033S558200
Reexamination Certificate
active
07043849
ABSTRACT:
A multifunction instrument comprising four movable parts, including a first leg12, an identical second leg14, a pointer arm16, and a connecting arm18. Pointer arm16and connecting arm18are permanently but pivotally connected at pivot points24A and24B. Pivot points20A and B,22A and B, and26A and B are fastened by a removable fastener. The first leg12and second leg14have multiple holes drilled at intervals in the near end of each leg with a pivotal means of adjoining that allows for selecting various ratios. Legs12and14have a pivotal means of adjoining at pivot point20A and20B for determining angles and perspective. Legs12and14are calibrated and provide a straight edge, while flat surfaces provide printable space.
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