Device for cutting bristles of tooth brushes to different length

Details Device for cutting bristles of tooth brushes to different length Device for cutting bristles of tooth brushes to different length

1991-05-22

1992-09-01

Watts, Douglas D.

Brush, broom, and mop making

Brush-making machines

340 21, A46D 902, A46D 106, A46D 308

Patent

active

051434253

ABSTRACT:
A device for cutting bristles of tooth brushes to different lengths in different selected areas of a tuft pattern comprises a support for holding the brush head, at least one shield associated with a selected area of the tuft pattern and movable between a rest position distant from the head and the bristle tips and an active position close to the head; the shield is provided with ramp means for engaging the tips of the bristles in the selected area and for imparting a radial component of movement to the engaged bristle tips to bend the corresponding bristles in directions away from the bristles outside the selected area upon movement of said shield from its rest position to its active position.

REFERENCES:
patent: 764898 (1904-07-01), Mumford
patent: 4869277 (1989-09-01), Olsen

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