Coating implements with material supply – Material flows through porous tool – Wick feed from within reservoir to tool
Patent
1992-10-22
1995-08-29
Bratlie, Steven A.
Coating implements with material supply
Material flows through porous tool
Wick feed from within reservoir to tool
401251, 401258, 215330, 215331, B43K 300, B43K 802
Patent
active
054454662
ABSTRACT:
First and second engaging projected portions are formed on opposing circumferential surfaces of a tubular casing and a hollow lead portion which are rotated relative to each other so as to be coupled with, thereby spirally engaging external and internal threads formed on the respective opposing circumferential surfaces. A forward side face of the first engaging projected portion with respect to a spiral rotating direction is formed into a slanting face so as to allow the second engaging projected portion to move over the first engaging projected portion when the casing and the lead portion are completely coupled with each other. Further, backward side faces of the first and second engaging projected portions are formed into upright faces, such that the second engaging projected portion cannot move over the first engaging projected portion in an opposite direction once moving over the same. This arrangement reliably prevents the spiral engagement of the casing and the lead portion from loosening.
REFERENCES:
patent: 2128456 (1938-08-01), Dusenbury, Sr.
patent: 4279527 (1981-07-01), Moe et al.
patent: 4662530 (1987-05-01), Goncalves et al.
patent: 4834251 (1989-05-01), Yu
patent: 4930921 (1990-06-01), Anderka
patent: 5000332 (1991-03-01), Whitacre
patent: 5020682 (1991-06-01), Dutt
patent: 5123556 (1992-06-01), Goldenberg
patent: 5145080 (1992-09-01), Imbery, Jr.
patent: 5213225 (1993-05-01), King et al.
Bratlie Steven A.
Kabushiki Kaisha Sakura Kurepasu
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