(19)

(11)

EP 3 259 427 A1

(12)

(43) Date of publication: 27.12.2017 Bulletin 2017/52 (21) Application number: 16706240.5 (22) Date of filing: 17.02.2016

(51) International Patent Classification (IPC):  E05G 5/00(2006.01) E05G 7/00(2006.01) B60P 3/03(2006.01) E05G 1/00(2006.01) (86) International application number: PCT/GB2016/050387 (87) International publication number: WO 2016/132120 (25.08.2016 Gazette 2016/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 17.02.2015 GB 201502657 (71) Applicant: G4S PLC London SW1E 6QT (GB)	(72) Inventors: ARMITAGE, David Bedwas Caerphilly CF83 8AJ (GB) WOODLAND, Colin Arthur Horsham West Sussex RH13 5QA (GB) (74) Representative: Gill Jennings & Every LLP  MTH The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)