Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1997-04-21
1998-10-06
Till, Terrence
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
151441, 15145, 403160, A46B 904
Patent
active
058158758
ABSTRACT:
A bi-positional toothbrush comprising a brush head member rotatably mounted to a handle by a cylindrical pin. The brush head member includes an array of bristles at a forward end and terminates in an essentially flat angled surface at a rearward end. The angled surface includes an axial bore orthogonal thereto, sized to receive the pin and terminating in a means to rotatably and removably secure the pin within the axial bore. The handle is elongated and includes at a forward end an essentially flat surface angled at the same angle to the long axis of the handle as the angled flat surface of the brush head member is to its long axis. The angled flat surface of the handle includes an axial bore, including securing features, shaped to constrain an after end of the pin. The angled surfaces of the handle and brush head member include symmetrical locking features. The angle between the handle and the brush head member may be changed from 180 degrees (no offset) to offset by pulling the handle rearward from the brush member to disengage the symmetrical locking features of the angled surfaces, twisting the handle approximately 180 degrees with respect to the brush head member, and pushing the handle into the brush head member to reengage the symmetrical locking features and to allow the head of the pin to engage the securing means within the axial bore. Likewise, the offset may be reversed by repeating the same procedure.
REFERENCES:
patent: 1473357 (1923-11-01), Pletman
patent: 2542038 (1951-02-01), Lewis
patent: 2742936 (1956-04-01), Cooley
patent: 2750616 (1956-06-01), Klugmann
patent: 5033154 (1991-07-01), Marchland et al.
patent: 5673453 (1997-10-01), Huang
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