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. 10, 2004
Filed:
Oct. 19, 2001
Michio Watanabe, Yamatokoriyama, JP;
Takahisa Takemori, Yamatokoriyama, JP;
Mori Seiki Co., Ltd., Yamatokoriyama, JP;
Abstract
The present invention provides a less expensive driver having a common electric motor for individually driving a fluid pressure pump and a transport mechanism. The inventive driver ( ) comprises a hydraulic cylinder ( ), a hydraulic pump ( ) for supplying a working fluid to the hydraulic cylinder ( ), and a transport mechanism ( ) for driving a pivot arm ( ) to pivot the pivot arm ( ). The driver ( ) further comprises a common electric motor ( ) for driving the hydraulic pump ( ) and the transport mechanism ( ), and switching means ( ) for connecting the electric motor ( ) switchably to the hydraulic pump ( ) and to the transport mechanism ( ), wherein one of the hydraulic pump ( ) and the transport mechanism ( ) connected to the electric motor ( ) is driven by the electric motor ( ).