Title:
CROWNING MEASUREMENT DEVICE AND CROWNING MEASUREMENT METHOD USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/021046
Kind Code:
A1
Abstract:
A crowning measurement device capable of quickly measuring the amount of crowning formed on a tapered recess (10) of work (8). In the crowning measurement device, the outer peripheral surface (16) of a measurement head (11) inserted into the tapered recess (10) has a projection (17) coming into contact with the center of the inner peripheral surface of the tapered recess (10), one end-side nozzle openings (19) for jetting air to one end section of the inner peripheral surface of the tapered recess (10), and the other end-side nozzle openings (20) for jetting air to the other end section of the inner peripheral surface of the tapered concave(10). A first air micrometer (14) is connected to the one end-side nozzle openings (19), and a second air micrometer (15) is connected to the other end-side nozzle openings (20).
Inventors:
MIYOSHI SHOJI (JP)
ENOMOTO SATOSHI (JP)
ENOMOTO SATOSHI (JP)
Application Number:
PCT/JP2008/064930
Publication Date:
February 25, 2010
Filing Date:
August 21, 2008
Export Citation:
Assignee:
TOKUSHIN ELECTRIC IND CO LTD (JP)
MIYOSHI SHOJI (JP)
ENOMOTO SATOSHI (JP)
MIYOSHI SHOJI (JP)
ENOMOTO SATOSHI (JP)
International Classes:
G01B13/16
Foreign References:
| JPS61182513A | 1986-08-15 | |||
| JPS522453A | 1977-01-10 | |||
| JPS5237463A | 1977-03-23 | |||
| JP2004340653A | 2004-12-02 |
Attorney, Agent or Firm:
NISHIKAWA, Yoshikiyo et al. (JP)
Yoshikiyo Nishikawa (JP)
Yoshikiyo Nishikawa (JP)
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