Toothbrush

Details Toothbrush Toothbrush

1997-01-24

1998-01-13

Kim, Harry C.

Joints and connections

Structurally installed in diverse art device

403146, 403157, 403330, 151431, 151671, A46B 500

Patent

active

057071667

ABSTRACT:
The invention relates to a toothbrush (10), the brushneck (12) of which, connected to an exchangeable brushhead, is deflectably held, in a reversible, resilient manner, on a hollow handle (14) by a swivel joint (18) surrounded by a sealing element (16). The brushneck (12) is provided at its coupling end (20) facing the handle (14) with an articulated head (22). The handle exhibits at its coupling end (24) facing the brushneck (12) an articulated fork (26), between whose fork legs (28, 30) an articulated head (22) of the brushneck (12) is fitted-in and connected by a swivel axle (32). The sealing element (16) consists of a pressure-elastic material. The articulated fork (26) is itself of tension-elastic configuration, so that the sealing element (16) is held by the articulated fork (26) under elastic pre-tension between the mutually opposite coupling ends (20, 24) of the handle (14) and of the brushneck (12). The toothbrush can be economically manufactured using a least possible number of single parts and enables a deflection movement, which is elastically damped by the sealing element and by the elastically configured articulated fork, which deflection movement is limited by the articulated head.

REFERENCES:
patent: 759490 (1904-05-01), Yates
patent: 1887913 (1932-11-01), Bell
patent: 2130661 (1938-09-01), Zaebst
patent: 2832943 (1958-04-01), Cutler
patent: 4476604 (1984-10-01), White et al.
patent: 4798492 (1989-01-01), Smith
patent: 4829621 (1989-05-01), Phenegar
patent: 5052071 (1991-10-01), Halm
patent: 5054154 (1991-10-01), Schiffer et al.
patent: 5105499 (1992-04-01), Dirksing
patent: 5282291 (1994-02-01), Spieler et al.

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