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. 15, 2003
Filed:
Mar. 22, 2002
John R. Parkin, Christchurch, GB;
APW Ltd., Waukesha, WI (US);
Abstract
A castor assembly comprises stem ( ) which is adapted at the upper end ( ) thereof to be connected to the base of a structure to be supported, a foot ( ), a castor body ( ) swivellably mounted on the stem ( ), a castor wheel ( ) carried by the castor body, the rotational axis ( ) of the castor wheel being offset from the axis of the stem to provide castoring, and a thrust bearing ( ) positioned at the upper end of the castor body. The foot ( ) is carried by the lower end of the stem ( ), which is adjustable threadedly engageable with a threaded bore in the base whereby adjustment of the stem upper end ( ) causes the foot to be raised or lowered relative to the base. The castor body ( ) is capable of vertical movement relative to the stem ( ), and the thrust bearing ( ) bears the vertical load acting between the castor body and the base when the foot ( ) is lifted clear of the floor and the castor wheel is supporting the structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile