EP 1053204 A2 20001122 - OVERLOAD PROTECTION SYSTEM FOR A BUILDER'S HOIST
Title (en)
OVERLOAD PROTECTION SYSTEM FOR A BUILDER'S HOIST
Title (de)
ÜBERLASTSICHERUNG FÜR BAUAUFZUG
Title (fr)
SYSTEME DE SECURITE DE SURCHARGE DESTINE A UN MONTE-CHARGE
Publication
Application
Priority
- DE 29802090 U 19980207
- EP 9900534 W 19990127
Abstract (en)
[origin: WO9940014A2] The invention relates to a builder's hoist, comprising a hoist mast, a hoist cab, and at least one electric drive motor for moving the hoist cab up and down the hoist mast. An overload protection system is also provided. The aim of the invention is to create an overload protection system as simply as possible for a builder's hoist which is provided with at least two drive motors. To this end, at least two drive motors (5, 6) are provided and the overload protection system has a device for adding up the forces present in the supports of the drive motors (5, 6). Said device is connected to a limit switch (14).
IPC 1-7
IPC 8 full level
B66B 5/14 (2006.01); B66B 9/187 (2006.01)
CPC (source: EP KR)
B66B 5/14 (2013.01 - EP); B66B 9/187 (2013.01 - EP KR)
Citation (search report)
See references of WO 9940014A2
Designated contracting state (EPC)
AT DE DK ES FR GB GR IT NL PT SE
DOCDB simple family (publication)
WO 9940014 A2 19990812; WO 9940014 A3 19990916; AT E218502 T1 20020615; AU 2922899 A 19990823; DE 29802090 U1 19980827; DE 59901619 D1 20020711; EP 1053204 A2 20001122; EP 1053204 B1 20020605; JP 2002502789 A 20020129; KR 20010040376 A 20010515
DOCDB simple family (application)
EP 9900534 W 19990127; AT 99910159 T 19990127; AU 2922899 A 19990127; DE 29802090 U 19980207; DE 59901619 T 19990127; EP 99910159 A 19990127; JP 2000530452 A 19990127; KR 20007007987 A 20000721