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:
Sep. 15, 1992
Filed:
Jul. 08, 1991
Applicant:
Inventor:
Richard B Hartman, Issaquah, WA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63H / ;
U.S. Cl.
CPC ...
446253 ; 446330 ;
Abstract
Levered whirligig of the string torsion variety which employs the forces generated by contraction of string torsion device (26) to actuate an articulated frame (10). Articulated frame (10) includes levers (12) and upper struts (18). Levers (12) including handles (16), fulcrums (11) lower struts (14) and hooking member (22) with notches (24). Upper and lower struts are joined together at hinged joints (20), thereby providing an enclosed, articulated frame easily manipulated using a variety of methods. String torsion device (26) includes intertwistable strands (28) and spinning member (30).