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Title:
HOLDING STRUCTURE FOR SPHERICAL IMPACT SOURCE, AND IMPACT FORCE IMPARTING DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP3407870
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To automatically suspend a rubber ball as an impact source, to make the ball freely fall down from a fixed height at a fixed period at all times.
SOLUTION: This device is provided with a base member 11, arranged on a floor face 10 with an opening opened in its central part, four guide bars 12 erected in the base member 11 to guide a rubber ball 1, a suspending member 5 formed of a holding member and a winding cord member, and a winding means 13 for winding up the rubber ball 1 suspended by the suspending member 5. A clearance between the each guide bar 12 and the rubber ball 1 is made larger in the lower end part of the guide bar 12 than in its upper end part, and the rubber ball 1 is wound up to a prescribed height by the winding means 13 and made to fall freely onto the floor face 10 facing to the opening of the base member 11.


Inventors:
Masahide Kono
Takenouchi Takashi
Application Number:
JP25454699A
Publication Date:
May 19, 2003
Filing Date:
September 08, 1999
Export Citation:
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Assignee:
Rion Co., Ltd.
Sol Technos Co., Ltd.
International Classes:
G01M7/08; (IPC1-7): G01M7/08
Domestic Patent References:
JP972821A
JP63109628U
JP57114951U
JP643549U
Attorney, Agent or Firm:
Yu Oyama (1 person outside)