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:
Apr. 28, 2020
Filed:
Apr. 12, 2016
Bridgestone Corporation, Tokyo, JP;
Takashi Mizusawa, Yokohama, JP;
BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;
Abstract
An elastic crawler and an elastic crawler drive mechanism collectively suppress the interference between the pin members and the engaging portions, and improve the durability of the engaging portions. The elastic crawler includes on an inner circumferential side thereof a plurality of engaging portions () respectively engageable with a plurality of pin members () arranged at a spacing in a circumferential direction of a sprocket, wherein: the engaging portions () have a pressure receiving surface () which receives the pin members (), an outline shape in side view of the pressure receiving surface () being formed by an envelope Ldrawn by an outer end of the pin members () when the sprocket rolls coaxially with a central axis of a virtual rotor with a rolling diameter Ddefined by D=(pitch of the engaging portions)×(number of pin members)/(π)×a, and 0.9≤a≤1, together with the virtual rotor on a plane.