Electrically operable bed

Abstract

Abstract ELECTRICALLY OPERABLE BED HAVING FRAME, HI-LOW DRIVE MEANS FOR MOVING FRAME VERTICALLY, ARTICULATED SPRING WITH INTERMEDIATE, HEAD, KNEE AND FOOT SECTIONS, DRIVE MEANS FOR RAISING AND LOWERING HEAD AND KNEE SECTIONS, ELECTRIC MOTOR, TRANSMISSION MEANS MOUNTED ON FRAME FOR EFFECTING ACTUATING OF DRIVE MEANS BY MOTOR, GEAR REDUCER AND CLUTCH INTERPOSED BETWEEN MOTOR AND TRANSMISSION MEANS, FUNCTION SELECTOR MEANS MOUNTED ON FRAME FOR SELECTIVELY DETERMINING WHICH DRIVE MEANS WILL BE ACTUATED BY TRANSMISSION MEANS INCLUDING A KEY ROTATABLE BY THE MOTOR AND AXIALLY SLIDABLE TO EFFECT SELECTION, AND RUBBER-CUSHION MOUNTING OF MOTOR ON FRAME INCLUDING BOLTS DISPOSED PARALLEL TO AXIS OF ROTATION OF KEY TO FACILITATE EASE OF SELECTIVE AXIAL MOVEMENTS TO OF KEY. ALSO INCLUDES MOVEMENTLIMITING MEANS INTERPOSED BETWEEN HEAD AND KNEE SECTIONS NORMALLY DOWNWARD MOVEMENT OF OUTER ENDS OF HEAD AND PREVENT DOWNWARD MOVEMENT OF OUTER ENDS OF HEAD AND KNEE SECTIONS BELOW HORIZONTAL AND SELECTIVELY MOVABLE TO PERMIT RAPID PLACING OF SPRING IN TRENDELENGURG, REVERSE TRENDELENBURG, OR HYPEREXTENSION POSITIONS, COM- PRISING LEVELERS HAVING NORMALLY VERTICALLY DEPENDING ARMS PIVOTALLY MOUNTED ON HEAD AND KNEE SECTIONS AND EACH HAVING FOOT MEANS ENGAGEABLE WITH FRAME, AND NORMALLY INOPERATIVE LEVELERS LATCHES PIVOTALLY MOUNTED ON HEAD AND KNEE SECTIONS AND MANUALLY SWINGABLE TO OPERATIVE POSITION TO CAM ASSOCIATED LEVELER ARM TO, AND RETAIN SAME IN, NON-VERTICAL INOPERATIVE POSITION, SUBSEQUENT DOWNWARD SWINGING OF HEAD OR KNEE SECTION CAUSING ENGAGEMENT OF LEVELER WITH FRAME TO RELEASE LATCH FOR AUTOMATIC RETURN TO NORMAL INOPERATIVE POSITION, AND THE MOVEMENTLIMITING MEANS ALSO INCLUDING FOOT SECTION SUPPORT MEANS PIVOTED AT INNER END ON FRAME AND HAVING TRANSVERSELY EXTENDING PIN AT OUTER END COOPERATIVELY ENGAGING RATCHET BRACKET MOUNTED ON FOOT SECTION.

Inventors

• 👤 John F Stanley
• 👤 Barron J Gulliver

Bibliographic Details