Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate
2007-02-07
2011-10-11
Krause, Justin (Department: 3656)
Machine element or mechanism
Gearing
Directly cooperating gears
C074S424860
Reexamination Certificate
active
08033195
ABSTRACT:
Provided is a screw device capable of reducing noise generated therefrom.The screw device has a screw shaft5having a rolling-element rolling groove5aspirally formed on an outer peripheral surface of the screw shaft; a nut6having a loaded rolling-element rolling groove6aspirally formed on an inner peripheral surface of the nut and facing the rolling-element rolling groove5aof the screw shaft5and a rolling-element return path connecting an end of the loaded rolling-element rolling groove6awith an other end thereof; and a plurality of rolling elements7arranged in a rolling-element circulation path. A low-noise plate12is mounted on a flange9provided at an axial end of the nut6so that the low-noise plate12covers at least a part of an end surface of the flange9.
REFERENCES:
patent: 5492036 (1996-02-01), Sato
patent: 6155717 (2000-12-01), Michioka et al.
patent: 6190046 (2001-02-01), Agari
patent: 6364058 (2002-04-01), Nishide et al.
patent: 6732599 (2004-05-01), Michioka et al.
patent: 7637662 (2009-12-01), Kato et al.
patent: 2002/0023512 (2002-02-01), Tsukada et al.
patent: 2002/0144560 (2002-10-01), Yatsushiro et al.
patent: 2004/0211280 (2004-10-01), Nishimura et al.
patent: 2005/0204836 (2005-09-01), Yatsushiro et al.
patent: 2005/0241419 (2005-11-01), Yatsushiro et al.
patent: 59-131059 (1984-07-01), None
patent: 3-33254 (1991-04-01), None
patent: 6-6795 (1994-01-01), None
patent: 6-174045 (1994-06-01), None
patent: 10-264293 (1998-10-01), None
patent: 11-37247 (1999-02-01), None
patent: 2002-364726 (2002-12-01), None
patent: 2005-127379 (2005-05-01), None
patent: 2005-273680 (2005-10-01), None
patent: 2005-308081 (2005-11-01), None
International Search Report of PCT/JP2007/052088, date of mailing Mar. 27, 2007.
International Preliminary Report on Patentability (Form PCT/IPEA/409) of International Application No. PCT/JP2007/052088 having a International filing date of Feb. 7, 2007.
Iida Katsuya
Michioka Hidekazu
Niwa Hiroshi
Saitoh Yoshiaki
Krause Justin
THK Co. Ltd.
Westerman Hattori Daniels & Adrian LLP
LandOfFree
Low-noise screw device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Low-noise screw device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low-noise screw device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4283666