Writing instrument housing

Details Writing instrument housing Writing instrument housing

1995-06-19

1997-04-22

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401 99, 401109, 401194, 40334, B43K 700, B43K 712

Patent

active

056224419

ABSTRACT:
A high quality writing instrument (100) has a special tip member (108) in one embodiment adapted to protect the distal end of the outer shell (102) from damage while allowing the shell to extend essentially all the way to the writing tip end of the instrument. An intermediate bushing 116 removably locks the tip member and threadingly is received in the retraction/protraction mechanism (14). In a second embodiment (130) the outer shell (132) is formed with a thicker wall portion adjacent the writing tip end so that a thread (136) can be formed in the bore. A bushing (140) has an end which is threaded into the bore of the shell with the distal ends of the shell (130) and the bushing (140) being flush and with the bushing (140) protecting the writing tip end from damage. The outer shell (102, 132) of both embodiments can be pierced in a selected pattern showing the outer surface of an inner shell (122, 150) spaced therefrom. In another embodiment a rigid clip member (166) is biased against the body of a writing instrument (160) by means of a force exerted by a discrete spring element (194) received in a cavity (192) of a bushing (176). The clip member (166) has a laterally extending end (172) against which the spring element (194) applies the force.

REFERENCES:
patent: 3531885 (1970-10-01), Dablo

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