Grinding spindle for screw grinder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9757809
SERIAL NO

14439064

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A quill includes a fixing side quill to be fixed to a spindle housing and a leading end side quill having a whetstone mounted thereon and removably connectable to the fixing side quill. In the connecting portions between the fixing side quill and the leading end side quill, faces that are perpendicular to the axis of the quill are combined with each other. A first drive shaft is provided within the fixing side quill, and a second drive shaft, rotatable integrally with the whetstone, is provided within the leading end side quill. The first drive shaft and second drive shaft are removably connected to each other.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NSK LTD6-3 OHSAKI 1-CHOME SHINAGAWA-KU TOKYO 1418560 ?1418560

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Igarashi, Kiyoshi Fujisawa, JP 7 36

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