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:
Aug. 09, 2011
Filed:
Jun. 19, 2008
Chenyuen Chiang, Hong Kong, CN;
Chenyuen Chiang, Hong Kong, CN;
Chen Hsong Asset Management Limited, Hong Kong, CN;
Abstract
An injection molding machine includes a lock nut open-close mechanism provided on a moveable platen () to engage with at least two tie bars (), and comprises a pair of rods () connecting two pairs of lock nuts (), and a clamping unit (). The clamping unit comprises an execution element () and a pair of connecting bars for open-close action () symmetrically arranged. A first end of a first connecting bar () is connected to the second nut () of the first pair of lock nuts (), and a first end of the second connecting bar () is connected to the first nut () of the second pair of lock nuts (). The second ends of the first and second connecting bars are connected to each other and are driven by the execution element () simultaneously to open or close the pairs of lock nuts simultaneously.