EP 1277884 A2 20030122 - Retractable barriers
Title (en)
Retractable barriers
Title (de)
Versenkbarer Absperrpfosten
Title (fr)
Bornes escamotables
Publication
Application
Priority
GB 0117626 A 20010719
Abstract (en)
A retractable throughway barrier (10) comprising a casing (12) to be embedded in the ground, and a hollow bollard (20) to be expelled outwardly of or retracted inwardly of the casing (12). The hollow bollard (20) is provided with a member (21) susceptible to magnetisation and provided with an upstanding surface. Guide means (15) are provided between the casing (12) and the bollard (20) to guide the bollard (20) during its aforesaid motions. Drive means (22) is provided within the hollow bollard (20) to move the bollard (20) as aforesaid, said drive means (22) including a magnetic body (45) magnetically coupled to the said member (21) and having a surface in rolling contact with said upstanding surface. <IMAGE>
IPC 1-7
IPC 8 full level
E01F 9/646 (2016.01); E01F 13/04 (2006.01)
CPC (source: EP)
E01F 9/646 (2016.02); E01F 13/046 (2013.01)
Citation (applicant)
GB 127559 A 19200415 - BENENATI FRANCIS SALVATOR [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1277884 A2 20030122; EP 1277884 A3 20031210; GB 0117626 D0 20010912; GB 2377725 A 20030122
DOCDB simple family (application)
EP 02253242 A 20020509; GB 0117626 A 20010719