Title:
LEVEL
Document Type and Number:
Japanese Patent JP2000088570
Kind Code:
A
Abstract:
To provide an accurate error-free level by applying the idea of level gauge.
A containing hole 53 is made in a transparent rectangular prism base 51. The containing hole 53 is a loop-like hole extending along the outer circumference of the base 51 and contains liquid 51 therein. Reference lines 47, 48, 49 are described on the base 51. When the measuring plane of the base 51 is correctly horizontal or vertical, two liquid level in the containing hole 53 have equal height with respect to the reference lines 47, 48, 49.
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Inventors:
AOKI SEIJI
Application Number:
JP25419898A
Publication Date:
March 31, 2000
Filing Date:
September 08, 1998
Export Citation:
Assignee:
AOKI SEIJI
International Classes:
G01C5/04; G01C9/22; (IPC1-7): G01C9/22; G01C5/04
Attorney, Agent or Firm:
Kousaku Inaoka (2 outside)
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