Apparatus for finishing concrete

Details Apparatus for finishing concrete Apparatus for finishing concrete

2005-02-11

2008-09-23

Hartmann, Gary S (Department: 3671)

Road structure, process, or apparatus

Apparatus

Tool rotating in horizontal plane

Reexamination Certificate

active

07427175

ABSTRACT:
A power trowel is provided for finishing concrete. The trowel can be used to finish concrete at different stages of hardening. The handle of the trowel is rotated both to adjust the speed of rotation of the trowel blades and the cant of the trowel blades.

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patent: 5803657 (1998-09-01), Hodgson
patent: 6860675 (2005-03-01), Rose

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