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:
May. 08, 1984
Filed:
Jul. 14, 1982
Applicant:
Inventor:
Paul W Ahrens, Grinnell, IA (US);
Assignee:
Miracle Recreation Equipment Company, Grinnell, IA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ; F16B / ;
U.S. Cl.
CPC ...
272113 ; 411377 ; 411903 ; 411911 ;
Abstract
Playground equipment having wooden timbers includes a plastic fastener with a metal threaded core flushly mounted in the wooden timbers for interconnecting the wooden timbers to associated members of the playground unit. The plastic fastener has one-way tightening means and actuates the metal core by locking engagement with the metal core, thereby preventing disassembly of the playground equipment.