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:
Aug. 26, 1980
Filed:
Jun. 26, 1978
Applicant:
Inventor:
Chun-Liang Kuo, San Chung City, Taipei Hsien, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43K / ;
U.S. Cl.
CPC ...
401 57 ; 401 65 ; 401 82 ; 401 85 ; 401 90 ; 401 94 ;
Abstract
This invention relates to a writing implement comprising an outer casing, a coil spring disposed within the casing, an inner tube inserted through the coil spring and having a plurality of presharpened leads stored therewithin, and a capping member inserted over the open end of the inner tube. The front (writing) end of the inner tube is split into two clamping halves. The front end of the coil spring is formed into a hooked portion which slides along the slot formed between the clamping halves to allow the expelling and feeding of presharpened lead pieces into the clamping halves.