×

Hospital bed having safety mechanism

  • US 4,534,077 A
  • Filed: 10/03/1983
  • Issued: 08/13/1985
  • Est. Priority Date: 10/03/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. In a hospital bed including a stationary frame, a movable frame for supporting a mattress and patient, and a motor for effecting vertical movement of said movable frame with respect to said stationary frame, the improvement comprising an elongate detection device mounted to one of said frames for detecting the presence of a person or object between said frames, said elongate detection device being an air-tight flexible tube which is compressible against said one of said frames, and means responsive to said detection device for preventing said motor from moving said movable frame closer to said stationary frame.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×