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:
Apr. 21, 2015
Filed:
Feb. 13, 2012
Applicants:
Yasuhiro Watanabe, Yokosuka, JP;
Kiyoshi Hokazono, Toyota, JP;
Kosei Yoshino, Toyota, JP;
Inventors:
Assignee:
Nifco Inc., Yokohama-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 15/05 (2006.01); F16F 1/04 (2006.01); F16F 1/12 (2006.01); E05C 19/02 (2006.01);
U.S. Cl.
CPC ...
B60K 15/05 (2013.01); F16F 1/047 (2013.01); F16F 1/128 (2013.01); E05C 19/022 (2013.01); B60K 2015/053 (2013.01); B60K 2015/0561 (2013.01); B60K 2015/0576 (2013.01);
Abstract
A coil spring of a push-up device for pushing out a fuel lid in an open direction includes a large pitch portion and small pitch portion, which have different pitches. Therefore, when the fuel lid is being closed, the coil spring, which pushes a rod into a case, has an increase rate of an urging force at an initial stroke less than an increase rate of the urging force at a later stroke following the initial stroke.