Global Patent Index - EP 3678975 A1

EP 3678975 A1 20200715 - FREE FALL WINCH

Title (en)

FREE FALL WINCH

Title (de)

FREIFALLWINDE

Title (fr)

TREUIL À CHUTE LIBRE

Publication

EP 3678975 A1 20200715 (DE)

Application

EP 18759947 A 20180827

Priority

  • DE 102017120490 A 20170906
  • EP 2018073042 W 20180827

Abstract (en)

[origin: CA3075201A1] The invention relates to a free fall winch comprising a drum, which can be rotationally driven by a winch drive, wherein a free fall brake is provided for braking the drum in free fall operation. According to the invention, a torque acting on the free fall winch, which depends on the free fall braking torque, is detected by means of a detection device, and a brake actuation force with which the free fall brake is actuated is controlled or adjusted by a control device according to the detected torque.

IPC 8 full level

B66D 5/18 (2006.01); B66D 1/12 (2006.01); B66D 1/22 (2006.01); B66D 1/50 (2006.01); B66D 5/26 (2006.01); B66D 5/30 (2006.01)

CPC (source: EP US)

B66D 1/12 (2013.01 - EP); B66D 1/16 (2013.01 - US); B66D 1/22 (2013.01 - EP); B66D 1/48 (2013.01 - US); B66D 1/505 (2013.01 - EP); B66D 5/18 (2013.01 - EP); B66D 5/22 (2013.01 - US); B66D 5/24 (2013.01 - US); B66D 5/26 (2013.01 - EP); B66D 5/30 (2013.01 - EP); B66D 1/22 (2013.01 - US); B66D 2700/0125 (2013.01 - US)

Citation (search report)

See references of WO 2019048282A1

Designated contracting state (EPC)

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 state (EPC)

BA ME

DOCDB simple family (publication)

DE 102017120490 A1 20190307; AU 2018328693 A1 20200402; AU 2018328693 B2 20231214; CA 3075201 A1 20190314; CN 111511671 A 20200807; CN 111511671 B 20211116; EP 3678975 A1 20200715; EP 3678975 B1 20210414; ES 2880079 T3 20211123; US 11535499 B2 20221227; US 2020207596 A1 20200702; WO 2019048282 A1 20190314

DOCDB simple family (application)

DE 102017120490 A 20170906; AU 2018328693 A 20180827; CA 3075201 A 20180827; CN 201880063813 A 20180827; EP 18759947 A 20180827; EP 2018073042 W 20180827; ES 18759947 T 20180827; US 202016812127 A 20200306