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. 16, 2002
Filed:
Sep. 15, 1999
Kayaba Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
There is provided an input torque detecting device, in power steering, which converts a relative rotation of an input shaft and an output shaft into a movement in a direction of a shaft so as to detect torque. The input shaft and the output shaft are connected via a torsion bar and also a sleeve is installed at a common outer circumference of the input shaft and the output shaft The sleeve is connected to the input shaft through helical splines and which extend in a direction diagonal to a shaft line and connected to the output shaft through straight splines and which extend in a direction of a shaft line, respectively. Torsion of the torsion bar based on input torque is detected as an amount of slide of the sleeve in a direction of a shaft line to be determined by the helical splines and By applying splines to a section of engaging the input shaft and the output shaft with the sleeve manufacturing costs can be curtailed and also durability of the engaging section can be improved.