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
Ronald W Goodrich: Dual hydraulic, parallelogram arm wheelchair lift. The Braun Corporation, Jacques M Dulin, Thomas C Feix, November 16, 1993: US05261779 (64 worldwide citation)

An improved dual hydraulic, parallelogram arm wheel chair lift assembly for use in commercial vehicles, such as vans or buses. The lift assembly includes a platform connected at one end to a pair of parallelogram linkages, each of which is provided with a power-up, gravity-down hydraulic cylinder fo ...


3
Ralph W Braun, Edward A Czech, Keith L Heath: Rotary wheelchair lift. The Braun Corporation, Jacques M Dulin, May 12, 1987: US04664584 (64 worldwide citation)

A rotary wheelchair lift comprising a hydraulic lift having a vertically telescoping slide tube and a horizontal wheelchair platform support arm attached to the lower end thereof. The arm supports a wheelchair platform having a front safety barrier, a rear entry ramp which folds up to become a rear ...


4
Sebastian Garcia Navarro: Drive mechanism for a vehicle access system. The Braun Corporation, Michael Best & Friedrich, September 4, 2007: US07264433 (23 worldwide citation)

An access system for passenger boarding of a vehicle is provided. The access system includes a frame mounted to the vehicle. A transfer member is movably mounted in the frame. The transfer member is movable with respect to the frame between a stowed position and a deployed position with respect to t ...


5
Alfred L Budd, Jacques M Dulin, Ronald W Goodrich, Russell G Antrim: Multi-panel platform rollstops for wheelchair lift. The Braun Corporation, Woodward Emhardt Naughton Moriarty & McNett, October 23, 2001: US06305897 (20 worldwide citation)

Multipanel rollstops mountable on the outboard end of a wheelchair lift platform in which at least one upper panel of the rollstop folds down or telescopes to reduce the rollstop profile for stowage. Preferred embodiments include bifold, trifold or telescoping rollstops for underfloor or under vehic ...


6
James Robert Dupuy, Alfred L Budd, James R Pierrou, Barry E Wolff: Dual function inboard barrier/bridgeplate assembly for wheelchair lifts. The Braun Corporation, Woodard Emhardt Naughton Moriarty & McNett, May 29, 2001: US06238169 (18 worldwide citation)

A dual function, inboard barrier/bridgeplate assembly for wheelchair lifts having a stowable platform, the barrier being pivotably secured to the inboard end of the lift platform, which barrier is actuated by a link to variously raise the barrier to a safety position and lower it to a bridging posit ...


7
Alfred L Budd, Jeffery J Hermanson: Pivoting safety barrier for wheelchair lift. The Braun Corporation, Jacques Dulin, Robert Heller Ehrman White & McAuliffe Dennis, June 20, 2000: US06077025 (18 worldwide citation)

A safety barrier for wheelchair lifts is disclosed, and more particularly a safety barrier assembly which can be used singly or in opposed pairs to open automatically and mechanically in cafe-style, rotating 90.degree. from a first closed or barrier position to a second, open, pass-through position. ...


8
Alfred L Budd, James R Pierrou, Barry E Wolff: Spring assist system for gravity deployment of stowed platform wheelchair lifter. The Braun Corporation, Jacques M Heller Ehrman White & McAuliffe Dulin Esq, September 15, 1998: US05806632 (17 worldwide citation)

A wheelchair platform free fall control system comprising use of a tension means, such as at least one spring, biasing together the long and short arms of a lever arm assembly that keeps the lever arm slide block in contact with a lifting arm during gravity-down deployment of said platform from an o ...


9
Ronald W Goodrich: Wheelchair access system with stacking platform. The Braun Corporation, Michael Best & Friedrich, January 4, 2005: US06837670 (16 worldwide citation)

A wheelchair access system with a stacking platform for use in conjunction with a vehicle having a floor, which includes a right-side vertical arm and an elongated support with a first and second portion. The first portion of the elongated support is pivotably coupled with the vertical arm. The vert ...


10
Alfred L Budd, James R Pierrou, Barry E Wolff, James R Dupuy: Wheelchair lift platform having internal gas spring deployment from stowage position. The Braun Corporation, Jacques M Dulin, Robert F Dennis, May 23, 2000: US06065924 (16 worldwide citation)

Improvement in wheelchair lifts generally of the dual hydraulic parallelogram type employing a lever arm assembly which assists in the rotation of the platform from the stowed position to the horizontal deployed position, by providing a gas spring disposed in the lever arm assembly connected at an o ...



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