Pavement cutting machine
AssigneeCrafco, Inc.
InventorsCarl C. Jacobson, Gaius P. Crosby
Life of this patent
Estimating the term…
Abstract
A machine for opening the joints and random cracks in pavement preparatory to placement of a filler-sealer material therein. The machine includes an open carriage having an opposed pair of side wheels and a shroud mounted in the carriage intermediate the side wheels. A cutter wheel is journaled in the shroud for rotation about a horizontal axis, and the cutter wheel is driven by an engine mounted atop the shroud. The shroud is pivotably coupled to the carriage for raising and lowering of the cutter wheel by moving the axis of the cutter wheel in an arc which passes through the axis of the carriage wheels.
Claims11
A pavement cutting machine comprising:
- (a) a carriage of open configuration having a pair of spaced side rails, a rear cross rail and a front cross bar;
- (b) a pair of axially aligned wheels each attached to a different one of the side rails of said carriage intermediate the front and rear ends thereof;
- (c) a downwardly opening shroud having its front end pivotably coupled to the front cross bar of said carriage and disposed to lie in a central location intermediate the side rails thereof;
- (d) cutter wheel means rotatably journaled in said shroud so as to lie in a central location intermediate said pair of wheels with its axis of rotation possible through the axis of said pair of wheels when said shroud pivotably moved;
- (e) linear actuator means having one of its ends coupled to said shroud and having its other end coupled to the rear cross rail of said carriage and actuatable for pivotably moving said shroud to lower said cutter wheel means into a pavement cutting position below said carriage;
- (f) an engine mounted on top of said shroud for movement therewith;
- and
- (g) drive means connected between said engine and said cutter wheel means for rotatable driving thereof.
Dependencies are inferred from the claim text.