作者: David W. Hornbach
DOI:
关键词:
摘要: A bed frame assembly includes a base 32 , an elevatable 40 and lift system 80 . The carriage 82 longitudinally translatably mounted on the arm 84 having crank end 86 remote 88 of is to at pivotable joint for pivoting about laterally extending axis 100 connected by connector 102 which may take various forms. also actuator 120 juncture B such that operation rotates axis. part span 130 pivotably D C. In one embodiment single link 132 another comprises multiple links as first second 144, 146.