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Hospital bed

  • US 4,685,159 A
  • Filed: 05/09/1985
  • Issued: 08/11/1987
  • Est. Priority Date: 05/09/1985
  • Status: Expired due to Fees
First Claim
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1. A hospital bed, comprising a chassis means including rigidly interconnected longitudinal and cross bearer members, bed frame means including a center bed frame section, a head bed frame section pivotally connected about a first transverse axis to the center bed frame section near one end therof and a foot bed frame section pivotally connected about a second transverse axis to the center bed frame section near the other end thereof, a first intermediate frame means pivotally supporting the center bed frame section intermediate its ends about a single third transverse axis to provide pivotal movement of the bed frame means about said third transverse axis in either direction of rotation, a second intermediate frame means pivotally supporting said first intermediate frame means about a longitudinal axis to enable tilting of said first intermediate frame means together with said bed frame means about said longitudinal axis in either direction of rotation, means so connecting said second intermediate frame means with said chassis means that said bed frame means can be pivoted into an at least nearly vertical position with the foot bed frame section at the bottom without interference by the corresponding cross bearer member of the chassis means so as to enable a patient to get on and off the hospital bed in an ambulatory manner, and first, second, third, fourth, and fifth actuating means for respectively causing (a) pivotal movement of the head bed frame section relative to the bed center frame section about the first transverse axis, (b) pivotal movement of the foot bed frame section relative to the bed center frame section about the second transverse axis, (c) pivotal movement of the bed frame means relative to the first intermediate frame means and therewith relative to the second intermediate frame means and the chassis means about the third transverse axis, (d) pivotal movement of the first intermediate frame means and therewith of the bed frame means relative to the second intermediate frame means and therewith relative to the chassis means about the longitudinal axis, and (e) adjustment in height of the second intermediate frame means and therewith of the first intermediate frame means and of the bed frame means relative to the chassis means.

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