Adjustable blade means

Claim 1

A blade means adapted to be connected to a tractor structure for earth-moving purposes, comprising: a. a support means having one end connectable to the tractor structure; b. a blade assembly connected at the opposite end of said support means, said blade assembly including a support post secured by a connector assembly to a blade member, c. tilt adjustment means operably connected through a first piston and cylinder assembly which is connected to said blade member and said connector assembly to pivot said blade member about a horizontal axis to achieve a desired tilted position, d. said blade assembly including said support post rotatably mounted in a sleeve member of said support means, and the lower end of said support post secured through said connector assembly to said blade member, e. angle adjustment means connected to said support post to rotate same and said blade member about a vertical axis, f. said tilt adjustment means including a support shaft rotatably mounted in said connector asseMbly having one end secured to said blade member, and an opposite end secured to a vertical securing plate, an actuator member connected to said support shaft, and said first piston and cylinder assembly connected to said actuator member and a stationary end secured to said connector assembly operable to rotate said support shaft and said blade member about a horizontal axis, and g. said tilt adjustment means having opposed anchor brackets secured to said connector assembly and a pair of lock pin members to anchor said vertical securing plate to said anchor brackets at a desired rotational position.