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Patent Searching and Data


Title:
TUNING KEY FOR DRUM
Document Type and Number:
Japanese Patent JP2003245862
Kind Code:
A
Abstract:

To provide a tuning key for a drum with superior handlability, which can be used for a hexagonal or square bolt, a nut, and a hexagonal socket head bolt in a multipurpose application.

The tuning key 10 comprises a socket wrench 14 having a socket 13 fitting to the head 12A of a clamping bolt 12 of a bass drum 11, and a L-shaped hexagonal bar spanner 15 that is fitted in perpendicular to the axis of the socket wrench 14 and used as a handle when the clamping bolt 12 is turned using the socket wrench 14. When a hexagonal socket head bolt is turned using the hexagonal bar spanner 15, the socket wrench 14 and an arm part 15A of the hexagonal bar spanner 15 are used as the handle.


Inventors:
SHIGENAGA FUMIHIRO
Application Number:
JP2002000045902
Publication Date:
September 02, 2003
Filing Date:
February 22, 2002
Export Citation:
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Assignee:
YAMAHA CORP
International Classes:
B25B13/02; B25B13/06; B25B13/48; B25B15/00; B25G1/00; G10D13/00; G10D13/02; (IPC1-7): B25B13/02; B25B13/48; G10D13/00; G10D13/02
Attorney, Agent or Firm:
Masaki Yamakawa