1
Edward A Czech, Ronald W Goodrich, Kevin L Crawford: Rotary bus lift with power stowable platform. The Braun Corporation, Jacques M Dulin, Thomas C Feix, January 19, 1993: US05180275 (89 worldwide citation)

Passive rotary wheelchair lift that is retrofittable in transit vehicles on either the forward or rearward edge of a side double-door step well. The lift employs in its preferred embodiment a double slide tube having a box frame with a cross header. A hydraulic cylinder actuates a pair of chains, on ...


2
Crawford Keven Lee, Czech Edward Albert, Goodrich Ronald Wayne: Rotary bus lift with power stowable platform. The Braun Corporation, DULIN Jacques M, December 10, 1992: WO/1992/021532

Passive rotary wheelchair lift (1) that is retrofittable in transit vehicles (2) on (4) edge of a side double-door (3, 4) step well (5). The lift employs a double slide tube (14) having a box frame (10) with a cross header (69). A hydraulic cylinder (62) actuates a pair of chains (66, 67) one descen ...



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