Mechanical system for operating the back and knee bottom...

Details Mechanical system for operating the back and knee bottom... Mechanical system for operating the back and knee bottom...

2005-10-25

2005-10-25

Grosz, Alexander (Department: 3673)

Beds

Invalid bed or surgical support

Sectional user supporting surface

C005S613000

Reexamination Certificate

active

06957460

ABSTRACT:
A mechanical system for operating the back and knee bottom sections of a bed or the like in an interlocked manner, comprising a back lifting mechanism and a knee lifting mechanism connected with each other by an interlocking means, to ensure that they can be operated in such an interlocked manner that, halfway in the operation for inclining said back bottom section, said knee bottom section reaches the largest inclination angle, and that, before said back bottom section halfway in the action for inclination reaches the largest inclination, said knee bottom section returns to lie flat.

REFERENCES:
patent: 5388290 (1995-02-01), Shirai
patent: 5448789 (1995-09-01), Shirai
patent: 5469591 (1995-11-01), Nomura
patent: 2003/0106154 (2003-06-01), Takeuchi

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