Title:
バランス回路を備えた介護用ベッド
Document Type and Number:
Japanese Patent JP2008528216
Kind Code:
A
Abstract:
A treatment bed has two lifting motors connected in parallel mechanically in the height-adjustable lifter. In order to load the lifting motors evenly and avoid torsions in the lifter, a balancing circuit that measures the supply currents of the lifting motors is provided. If a difference is determined, then the respective current is briefly interrupted several times until the magnitudes of the currents approach one another.
Inventors:
Bursert, Hans-Peter
Application Number:
JP2007553490A
Publication Date:
July 31, 2008
Filing Date:
January 13, 2006
Export Citation:
Assignee:
Bursert, Hans-Peter
International Classes:
A61G7/00
Domestic Patent References:
| JPH0871110A | 1996-03-19 | |||
| JP2001046443A | 2001-02-20 | |||
| JP2004229410A | 2004-08-12 | |||
| JPH06142142A | 1994-05-24 | |||
| JP2000175972A | 2000-06-27 | |||
| JPS62104495A | 1987-05-14 | |||
| JPH0330348A | 1991-02-08 | |||
| JPH04112692A | 1992-04-14 |
Foreign References:
| EP1312330A2 | 2003-05-21 | |||
| US4292572A | 1981-09-29 |
Attorney, Agent or Firm:
Kimura Mitsuru