Cutlery – Combined cutlery or combined with ancillary feature – With means to apply transient fluid to tool
Patent
1995-09-13
1997-09-23
Payer, Hwei-Siu
Cutlery
Combined cutlery or combined with ancillary feature
With means to apply transient fluid to tool
30383, B27B 1712
Patent
active
056691408
ABSTRACT:
A chain saw guide bar having a lubricant feeding structure is capable of providing sufficient lubrication to the guide bar tip portion and has sufficient strength and durability during use over an extended period of time and, at the same time, has the weight of the guide bar reduced. The chain saw guide bar is made of a single plate and is provided with a lubricant supply port made in a base end portion of the guide bar surface, a bottomed recess groove running continuously from the lubricant supply port to a tip portion and bottomed holes located on the bottomed recess groove. The side walls of the holes and the recess groove are tilted to increase the widths of the cross sections of the recess groove and the hole toward the bottom. A hollow pipe runs continuously from the lubricant supply port to the tip portion and is installed in the recess groove and in the holes, while the recess groove and the holes are filled with a light-weight filling material such as a synthetic resin to thereby consolidate the hollow pipe integrally with the guide bar.
REFERENCES:
patent: 4947550 (1990-08-01), Wenzel
patent: 5025561 (1991-06-01), Sugihara et al.
patent: 5035058 (1991-07-01), Date et al.
patent: 5050303 (1991-09-01), Sinclair et al.
patent: 5056224 (1991-10-01), Seigneur
Payer Hwei-Siu
Suehiro Seiko Kabushiki Kaisha
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