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. 01, 2018
Filed:
Dec. 22, 2016
Olympia International, Inc., Torrance, CA (US);
Chris Yu, Torrance, CA (US);
Olympia International, Inc., Torrance, CA (US);
Abstract
A wheel assembly includes a first body having a first end portion and a second end portion; a second body having a third end portion and a fourth end portion, the third end portion of the second body rotatably coupled to the second end portion of the first body via a first pivot pin; a wheel rotatably coupled to the second body via a second pivot pin; a rod having a fifth end portion and a sixth end portion, the fifth end portion coupled with the first body via a third pivot pin; a first coiled spring having a first end contacting the first body and a second end contacting the third end portion; and a second coiled spring having a third end, the rod inserted into the second coiled spring via the third end, and a fourth end contacting the fourth end portion.