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:
Nov. 30, 1976
Filed:
Dec. 05, 1975
Applicant:
Inventors:
Jurgis Sapkus, Manhattan Beach, CA (US);
J Stephen Lewis, Pacific Palisades, CA (US);
Assignee:
Mattel, Inc., Hawthorne, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63H / ;
U.S. Cl.
CPC ...
46119 ; 46121 ; 46128 ; 46136 ;
Abstract
Driving gear on one limb has at least twice as many teeth as driven gear on other limb which is connected to driving gear by idler gears for negatively increasing gear ratio between limbs so that driven limb will swing through a substantially larger arc than, and in a direction opposite to, the driving limb.