Linear guide apparatus

Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C074S089440

Reexamination Certificate

active

07089819

ABSTRACT:
A ball screw has a screw shaft including a screw groove formed in an outer peripheral surface thereof; a nut including a screw groove formed in an inner peripheral surface thereof and screwed together with the screw shaft through a large number of balls rollably disposed in a spiral-shaped ball rolling passage formed by the two screw grooves; and, two seals respectively disposed on the two end portions of the nut for sealing the opening of a clearance between the screw shaft and the nut, wherein two annular grooves are respectively formed in the inner peripheral surfaces of the two end portions of the nut, each of the seals is formed in a substantially annular-ring shape having an outside diameter larger than the inside diameter of the nut and the seals are mounted into the nut by fitting the outer edge portions of the seals into the annular grooves.

REFERENCES:
patent: 5722294 (1998-03-01), Kobayashi et al.
patent: 5906136 (1999-05-01), Yabe et al.
patent: 6142030 (2000-11-01), Nagai et al.
patent: 6199440 (2001-03-01), Greubel et al.
patent: 6276225 (2001-08-01), Takeda et al.
patent: 29 28 717 (1981-01-01), None
patent: 43 02 054 (1994-07-01), None
patent: 2 223 282 (1990-04-01), None
patent: 5-44810 (1993-02-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Linear guide apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Linear guide apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Linear guide apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3635514

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.