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:
Sep. 20, 2022
Filed:
May. 11, 2020
Sanwa Techno Co., Ltd., Kobe, JP;
Freebear Corporation, Higashiosaka, JP;
Kazuro Fukui, Kobe, JP;
Toshio Takino, Kobe, JP;
Kaito Oomae, Kobe, JP;
Nagamasa Maruyama, Kobe, JP;
Hiroyuki Furuuchi, Higashiosaka, JP;
Atsushi Sakane, Higashiosaka, JP;
SANWA TECHNO CO., LTD., Kobe, JP;
FREEBEAR CORPORATION, Higashiosaka, JP;
Abstract
To provide a ball transfer and a seal member for a ball transfer, a seal member is employed which is characterized in that it has a seal member employing pile fiber that, at a ball transfer having a main body which has a socket, an inner surface of which is a hemispherical concave surface, a plurality of ball bearings arranged at the main exterior socket, a primary ball, diameter of which is greater than that of said ball bearings and which is rotatably supported by the socket by way of the ball bearings, and a housing-like case which surrounds the main body socket and rotatably supports the ball bearings and the primary ball at a bearing portion thereof and which has a hole from which a portion of the primary ball is made to protrude at an upper surface of the primary ball socket.