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. 04, 2001
Filed:
Jan. 18, 1998
Applicant:
Inventors:
David Saint, Elverson, PA (US);
James Sack, Elverson, PA (US);
Assignee:
Graco Children's Products Inc., Elverson, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63G 9/16 ;
U.S. Cl.
CPC ...
A63G 9/16 ;
Abstract
A spring motor mechanism for use with a child's swing (,) that includes a spring (,) attached to a slip clutch device (,) to prevent the spring (,) from beconing over wound. In addition, the spring motor mechanism includes an indecator (,) which reveals the amount of torsional energy stored in the spring (,). This can be used by an operator to approximate the time remaining before the spring (,) must be re-wound. The invention also includes an adjustable swing height system (,) that allows the operator of the swing to determine a maximum swing height and also prevents the over-swinging of the child seat (,).