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:
Feb. 23, 1993
Filed:
Oct. 21, 1991
Masanori Hirai, Gifu, JP;
Hiroyuki Takenaka, Gifu, JP;
Hidekazu Yokoi, Tokyo, JP;
Tsuyoshi Nachi, Gifu, JP;
Kiyoshi Ando, Ogaki, JP;
Teijin Seiki Co., Ltd., Osaka, JP;
Abstract
A rotary motion to longitudinal motion converting mechanism comprising a passive rack with a plurality of teeth, a plurality of active racks respectively having a plurality of teeth having the same pitch as that of the teeth of the passive rack and meshing with the passive rack, and a plurailty of rotatable crankshafts respectively having eccentric circular portions different in phase from one another and respectively having the active racks supported on the eccentric circular portions in such a manner that the passive rack is moved in its longitudinal direction through the active racks by rotary motions of the plurality of rotatable crankshafts.