Aerodynamic cutting string

Details Aerodynamic cutting string Aerodynamic cutting string

1996-05-31

1998-06-09

Payer, Hwei-Siu

Cutlery

Cutting tools

With blade moving means

30347, 428397, B26B 700

Patent

active

057618160

ABSTRACT:
An aerodynamic cutting string for use with such devices as flexible line trimmers and the like. The string incorporates a number of embodiments which eliminates or greatly reduces the drag, fluttering and force imbalances which are created as a result of the pressure differential and wake which are formed behind the flexible line as it moves. This accomplishment is achieved by employing an aerodynamic profile for the line which lowers the coefficient of drag and reduces the forces created by the air foil.

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patent: 5524350 (1996-06-01), Boland

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