Grip of writing material

Details Grip of writing material Grip of writing material

2007-07-10

2007-07-10

Walczak, David J. (Department: 3751)

Coating implements with material supply

With means to attach or conform to body of user

Reexamination Certificate

active

11273016

ABSTRACT:
A grip of a writing material is formed by providing a plurality of flange-like on a surface of a middle shaft portion of a shaft cylinder and in parallel across an axis of the shaft cylinder, the plurality of flange-like projections projecting in a radial direction of the shaft cylinder, and integrally covering the flange-like projections with a cylindrical cover in a closable manner so that spaces are formed inside the cover. When a user grips the grip of the writing material with his or her fingers, the pressure allows the cover to be borne by the adjacent flange-like projections, while moving air inside the spaces to deform the cover. The deformation absorbs the pressure from the fingers. Further, the adjacent flange-like projections limits the deformation of the cover, thus enabling the initial positional relationship of the fingers to be maintained. The user can thus use the writing material for a long time.

REFERENCES:
patent: 782388 (1905-02-01), Goldsmith et al.
patent: 811390 (1906-01-01), Foreman
patent: 1868441 (1932-07-01), Colfelt
patent: 2173451 (1939-09-01), Lorber
patent: 6390704 (2002-05-01), Baudino et al.
patent: 63-60375 (1988-04-01), None
patent: 11314485 (1999-11-01), None
patent: 200289378 (2000-10-01), None
patent: 2002 347382 (2002-04-01), None

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