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:
Jan. 06, 2004
Filed:
Oct. 18, 2001
Osamu Tanaka, Atsugi, JP;
Nobuyuki Wakabayashi, Atsugi, JP;
Anritsu Corporation, Tokyo, JP;
Abstract
A combination weighing apparatus is constituted by a plurality of hopper supporting arms ( ) protruding to an external portion from a casing having a plurality of drive sources ( ) in an inner portion thereof and sealing opening and closing operation driving mechanisms ( ) for transmitting a drive force from the drive sources ( ) in inner portions thereof, a plurality of hoppers ( ) attached to front ends of a plurality of hopper supporting arms ( ), having receiving ports for subjects to be weighed at upper ends and having discharge ports with rotatable opening and closing lids ( ) at lower ends, couplings respectively mounted to the opening and closing lids ( ), and opening and closing operation driving bodies exposing to outer surfaces of the hopper attaching portions at the front ends of the hopper supporting arms ( ), driven by the opening and closing operation driving mechanisms ( ), and opening and closing the opening and closing lids ( ) engaged with the couplings due to the attachment of the hoppers ( ), whereby a cleaning can be easily performed as a whole.