Power trowels

Road structure – process – or apparatus – Apparatus – Tool rotating in horizontal plane

Patent

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Details

404 97, E01C 1922

Patent

active

053724526

ABSTRACT:
An improvement to power trowels having a power unit, a rotatable shaft, a plurality of trowling blades mounted to spider arms, and a shroud for shielding the blades. The blades are formed of spring steel and are fixedly mounted to the spider arms. A throttle control unit is removably mounted to the trowel and may be extendably mounted to an adjustable extendible pole.

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patent: 5102258 (1992-04-01), Berger
Forshel, "The Bantam, 20" Hand Held Power Trowel.
Structron, "Superhandle II, The Next Generation of Fiberglass Extension Handles".

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