Title:
BALL CONVEYER
Document Type and Number:
Japanese Patent JP2002043350
Kind Code:
A
Abstract:
To provide a ball conveyer in a ball supply device which can respond to a change in the amount of ball supply flexibly.
The following means is adopted to a ball conveyer to solve problems. Firstly, an opening is positioned in the upper portion of a ball receiving unit and a ball is received from a ball reserve unit. A ball passing unit is equipped with a ball receiver, which can discharge a ball. Secondly, there is provided a drive means to reciprocate the ball receiver between the ball receiving unit and the ball passing unit. Thirdly, there is provided a gravimeter for measuring the weight of the ball receiver. Fourthly, there is provided an elevating means for raising and lowering the gravimeter relatively to the ball receiver.
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Inventors:
NIITSUMA KAZUO
Application Number:
JP2000222186A
Publication Date:
February 08, 2002
Filing Date:
July 24, 2000
Export Citation:
Assignee:
SHIBUYA KOGYO CO LTD
International Classes:
B23K1/00; B23K3/06; H01L21/60; H05K3/34; (IPC1-7): H01L21/60; B23K1/00; B23K3/06; H05K3/34
Attorney, Agent or Firm:
Katsushi Nishina