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:
Jul. 04, 1978
Filed:
May. 24, 1977
Applicant:
Inventor:
Robert R Willis, Barrington, RI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63C / ;
U.S. Cl.
CPC ...
301-57 ;
Abstract
A roller skate wheel is disclosed having a plastic body portion with a central axial bore into which is received precision bearing units. The bearing units are received on the axle of a wheel truck and the wheel is provided with a substantial outward overhanging portion from the bearings which is formed with a series of tapered counterbores, which provide superior gripping of the surface on which the wheel engages.