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:
Sep. 18, 2001
Filed:
May. 19, 2000
Takafumi Ohtani, Shiga, JP;
Katsuaki Kono, Shiga, JP;
Ishida Co., Ltd., Kyoto, JP;
Abstract
A combination weighing and counting apparatus includes a plurality of vibrating feeders (,) arranged and mounted on a support frame and adapted to be electrically powered from an alternating current source to transport articles, a plurality of weighing hoppers (,) for measuring respective weights of the articles (M) supplied from the vibrating feeders (,), and a combination selecting device for combining weights or numbers of the articles supplied to the weighing hoppers and for selecting a combination of the articles (M) which falls within a tolerance range. To minimize vibration of the support frame so that any undesirable reduction in weighing accuracy can be suppressed, there is provided a feeder drive control device (,) for driving the neighboring vibrating feeders (,) at a driving phase opposite to each other.