Magnetic-assisted linear bearing
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United States of America Patent
Stats
-
Sep 25, 2012
Grant Date -
Oct 20, 2011
app pub date -
Apr 14, 2010
filing date -
Apr 14, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A door suspension system comprises a horizontally suspended ferromagnetic shaft; a nonmagnetic bracket comprising a bracket cylinder for enclosing a linear bearing and an attached bracket hanger plate for securing a door panel; a nonmagnetic cylindrical linear bearing sized to slide into the bracket cylinder and over the shaft; at least two spaced bores in the upper surface of the bracket cylinder; at least two spaced bores in the upper surface of the cylindrical linear bearing arranged so as to align with the spaced bores in the bracket cylinder; a cylindrical permanent magnet positioned in at least one of the spaced bores of the bracket cylinder; and a ferromagnetic armature to complete the magnetic circuit through the shaft and the magnet or magnets.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- H02K Class
- 3.74 % this patent is cited more than
- 13 Age
