Power trowel handle mounted controls

Details Power trowel handle mounted controls Power trowel handle mounted controls

1996-07-24

1998-09-08

Lisehora, James

Road structure, process, or apparatus

Apparatus

Tool rotating in horizontal plane

E01C 1922

Patent

active

058036571

ABSTRACT:
A power trowel handle has controls that permit electronically operating the functions of an engine on the power trowel from the handle. The engine includes a servo controlled carburetor which will permit injecting, upon initial closing, a circuit for starting a quantity of fuel for starting a two cycle engine, which normally has to be done manually, as well as permitting control of a throttle using a trigger switch on the handle. The power trowel further has an elongated pole braced with a slider to prevent twisting under torque and to permit better control of the power trowel from a remote handle. The handle grip is usable in either the elongated pole position, or directly on a shroud for the power trowel.

REFERENCES:
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patent: 4271093 (1981-06-01), Kobayashi
patent: 4320986 (1982-03-01), Morrison
patent: 4335061 (1982-06-01), Kobayashi
patent: 5372542 (1994-12-01), Hodgson

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