SYSTEM FOR DRAWING A WHEELED PASSENGER SUPPORT INTO A VEHICLE

Title:

SYSTEM FOR DRAWING A WHEELED PASSENGER SUPPORT INTO A VEHICLE

Document Type and Number:

WIPO Patent Application WO/2017/194964

Kind Code:

A3

Abstract:

There is disclosed a system (18) for drawing a wheeled passenger support (16) into a vehicle (10) and selectively restraining the passenger support against movement. The wheeled passenger support may take the form of a wheelchair, wheeled bed or stretcher. One disclosed system comprises: first and second winches (24a/b), each winch comprising a spool (28a/b), a flexible elongate winch element (30a/b) which can be wound on to the spool and which is adapted to be coupled to the passenger support, and a motor (32a/b) for driving the spool to reel in the winch element; and a control system (34a/b) for controlling operation of the first and second winches. The first and second winches are adapted to be mounted within the vehicle and are operable to draw the passenger support into the vehicle, via the flexible elongate winch elements. The control system comprises a first sensor (36a/b) for monitoring rotation of the first winch spool, a second sensor (38a/b) for monitoring rotation of the second winch spool, and a controller (40a/b) which is arranged so that it can operate the first and second winch motors independently, based on information relating to rotation of the first and second winch spools provided by the first and second sensors, to maintain a substantially even pull on the passenger support during draw-in.

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Inventors:

GREENWOOD BRYCE (GB)

Application Number:

PCT/GB2017/051335

Publication Date:

December 14, 2017

Filing Date:

May 12, 2017

Export Citation:

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Assignee:

LATERAL DESIGN LTD (GB)

International Classes:

B66D1/18; A61G3/06; A61G3/08; B60P1/43; B60P1/54; B66D1/36; B66D1/48; B66D5/06

Foreign References:

JP2006280400A	2006-10-19
EP2949303A1	2015-12-02
US20050072965A1	2005-04-07
JP2003118536A	2003-04-23
EP2564824A2	2013-03-06
US20150284223A1	2015-10-08

Attorney, Agent or Firm:

ORR, Robert (GB)

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