Guide line tracer

Details Guide line tracer Guide line tracer

1973-07-19

1976-03-16

Martin, Jr., William D.

Geometrical instruments

Straight-line light ray type

Structurally installed

33185V, 33192, G01C 1500

Patent

active

039436357

ABSTRACT:
The invention provides a guide line tracer adapted to be mounted forwardly of a line marker for marking lines on the road surface. Said guide line tracer comprises a pantograph link mechanism capable of extension and contraction through a remote control system whereby when not in use, it can be contracted to the shortest length but when in use, it can be selectively extended so as to permit the indicator to be always disposed in the most suitable position for an operator to look at.
The invention further dissolves the problems of deadening the vibrations of the indicator so as to induce the indicator to trace exactly along a guide line.

REFERENCES:
patent: 1346646 (1920-07-01), Gallagher
patent: 2198864 (1940-04-01), Degrelle

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