Writing instrument with separable compensating means

Details Writing instrument with separable compensating means Writing instrument with separable compensating means

1983-11-21

1985-10-29

Bratlie, Steven A.

Coating implements with material supply

Including stylus

401259, B43K 516, B43K 106, B43K 110

Patent

active

045498288

ABSTRACT:
A writing instrument of the type having a cylindrical body (1), with a forward end that carries a writing tubule (4) and an inner bore which communicates with the writing tip. A separate sheath body (15) is adapted to be covered by a sheath element (9). The sheath body is pushed onto the rearward end of the cylindrical body (1) and defines a compensating chamber (12, 14) on each of its outer and inner faces. The compensating chambers are connected proximate their rearward ends by a connecting bore (13). The inner compensating chamber (14) communicates with the inner bore through a transverse bore (7) provided in the forward area of the cylindrical body (1). A writing fluid tank (11) is mounted by being pushed onto the rearward end of the cylindrical body (1).

REFERENCES:
patent: 3442597 (1969-05-01), Hebborn et al.
patent: 3539269 (1970-11-01), Dahle
patent: 3778754 (1974-01-01), Glasa
patent: 3824023 (1974-07-01), Danjczek et al.
patent: 3870421 (1975-03-01), Mutschler
patent: 4207012 (1980-06-01), Kuparinen
patent: 4382707 (1983-05-01), Anderka
patent: 4390299 (1983-06-01), Mutschler
patent: 4461591 (1984-07-01), Mutschler

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