Lead screw for linear actuator, and method of manufacturing...

Machine element or mechanism – Gearing – Directly cooperating gears

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C074S424710, C384S245000, C384S611000, C264S328100

Reexamination Certificate

active

07086303

ABSTRACT:
A lead screw for a linear actuator, which has a metal pipe having a helical projection resin-molded on its outer surface, and a ball for a pivot bearing welded to a distal end of the metal pipe, is disclosed together with a method of manufacturing the same. With the lead screw according to this invention, a slight positional deviation from the origin, which is caused at a high ambient temperature by thermal expansion of a resin material filled up in the metal pipe, can be prevented reliably. Linear movement upon rotation of a stepping motor can take place with high precision.

REFERENCES:
patent: 3161447 (1964-12-01), Folke
patent: 3583778 (1971-06-01), Mori
patent: 4618273 (1986-10-01), Gotz et al.
patent: 4792245 (1988-12-01), Fuke et al.
patent: 4988472 (1991-01-01), Orimoto et al.
patent: 5486054 (1996-01-01), Nagata et al.
patent: 5533247 (1996-07-01), Ishii et al.
patent: 5672365 (1997-09-01), Ishii et al.
patent: 5683641 (1997-11-01), Jaskowiak
patent: 5876288 (1999-03-01), Jaskowiak
patent: 5973429 (1999-10-01), Swensgard et al.
patent: 6503430 (2003-01-01), Downey
patent: 6511232 (2003-01-01), Ishii et al.
patent: 6698939 (2004-03-01), Ishii et al.

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

Lead screw for linear actuator, and method of manufacturing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lead screw for linear actuator, and method of manufacturing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lead screw for linear actuator, and method of manufacturing... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3647919

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