Parallel wall indicator

Details Parallel wall indicator Parallel wall indicator

1975-11-14

1978-04-25

Aegerter, Richard E.

Geometrical instruments

Indicator of direction of force traversing natural media

With angle or shape determination

32 40R, 33 1N, 33174D, 33349, G01B 356, G01C 912, A61C 300

Patent

active

040855147

ABSTRACT:
The indicator includes rotationally movable indicator means for indicating a selected reference angle and pendulum actuator means for maintaining the angular position of the indicator means substantially constant with respect to vertical. The indicator is particularly suited for use in the correlated preparation of multiple teeth for application of one piece multiple crown castings by forming corresponding inclined teeth surfaces parallel.

REFERENCES:
patent: 1186394 (1916-06-01), Hamilton
patent: 1451507 (1923-04-01), Harris et al.
patent: 1972122 (1934-09-01), Woodyard
patent: 3047957 (1962-08-01), Conway
patent: 3845565 (1974-11-01), Newswanger

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