The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2001
Filed:
Feb. 24, 2000
Applicant:
Inventor:
Takao Shibata, Takatsuki, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04B 3/530 ;
U.S. Cl.
CPC ...
D04B 3/530 ;
Abstract
A needle-selecting actuator (,) is surrounded by an intermediate ring (,) at the top, a lower ring (,) at the bottom, a needle cylinder (,) inside, and a cover (,) outside. A cylindrical chamber (,) is formed between the needle-selecting actuator (,) and the cover (,). The cover (,) is equipped with a ventilator fan (,) for feeding the air into the cylindrical chamber (,). The cylindrical chamber (,) has an opening (,) through which the air passes. The outside air is fed into the cylindrical chamber (,) through the means of ventilation/suction (,), and passes through said opening (,) to cool the needle cylinder (,) and its peripheral working components.