Patent
   D745815
Priority
Nov 30 2012
Filed
May 29 2013
Issued
Dec 22 2015
Expiry
Dec 22 2029

TERM.DISCL.
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a ball screw, as shown and described.

FIG. 1 is a left perspective view of a ball screw;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a cross-sectional view thereof taken along line X-X in FIG. 8; and,

FIG. 10 is a cross-sectional view thereof taken along line XI-XI in FIG. 8.

The broken lines in the drawings illustrate portions of the ball screw which form no part of the claimed design.

Sato, Katsuhiko, Ohno, Toshiaki

Patent Priority Assignee Title
D783135, Oct 28 2014 Miki Pulley Co., Ltd. Shaft coupling hub
D788271, Oct 28 2014 Miki Pulley Co., Ltd. Shaft coupling hub
D816192, Dec 24 2015 MIKI PULLEY CO , LTD Shaft coupling hub
Patent Priority Assignee Title
5943919, Jun 12 1996 Thomson Saginaw Ball Screw Company LLC Ball screw actuators
6835114, Apr 27 2000 C.M.E. Blasting & Mining Equipment Ltd. Grinding tool for buttons of a rock drill bit
7510466, Dec 21 2007 Pilot Diamond Tools Ltd. Shaft adapter for grinding cup
WO2014083597,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 13 2013OHNO, TOSHIAKIKURODA PRECISION INDUSTRIES LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305010739 pdf
May 13 2013OHNO, TOSHIAKIY M LABORATORY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305010739 pdf
May 22 2013SATO, KATSUHIKOKURODA PRECISION INDUSTRIES LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305010739 pdf
May 22 2013SATO, KATSUHIKOY M LABORATORY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0305010739 pdf
May 29 2013Kuroda Precision Industries Ltd.(assignment on the face of the patent)
May 29 2013Y.M. Laboratory Co., Ltd.(assignment on the face of the patent)
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