Rotary power trowel

Details Rotary power trowel Rotary power trowel

E - Fixed Constructions

04

F

72/148

E04F 21/16 (2006.01) E01C 19/42 (2006.01) E04F 21/24 (2006.01)

Patent

CA 1131461

ABSTRACT OF THE DISCLOSURE A rotary power trowel having a safety clutch, a gyroscopic stabiliz- ing ring, blade pitch control, and an adjustable handle. The safety clutch employs a belt tension adjustment to act as a brake on the drive belt when activated either manually or, in an emergency, automatically by a lever on a handle near the operator. When the rotary trowel goes out of control in an emergency, centrifugal force activates the lever and disengages the driving force and acts to brake the belt in less than one turn of the handle. The gyroscopic stablizer ring lowers the rotary trowel center of gravity and generates a stabilizing effect. Blade tilting is accomplished through a turning knob located at the end of the adjustable handle, which is adjustable to the height of the operator.

341896

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