US 12,030,750 B2
Method for mounting or dismounting components of a wind turbine and rope winch unit
Herbert Biebl, Südbrookmerland (DE); Ewald Freese, Ochtersum (DE); and Cord Druivenga, Ihlow (DE)
Assigned to Wobben Properties GmbH, Aurich (DE)
Filed by Wobben Properties GmbH, Aurich (DE)
Filed on Sep. 6, 2022, as Appl. No. 17/903,601.
Claims priority of application No. 21195285 (EP), filed on Sep. 7, 2021.
Prior Publication US 2023/0075096 A1, Mar. 9, 2023
Int. Cl. B66C 13/08 (2006.01); B66C 23/18 (2006.01); B66D 1/28 (2006.01)
CPC B66C 13/08 (2013.01) [B66C 23/185 (2013.01); B66D 1/28 (2013.01); B66D 2700/0183 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A rope winch unit, comprising:
a base,
a pivot arm, and
a retaining unit,
wherein a first end of the pivot arm is pivotably coupled to the base,
wherein a second end the pivot arm is free and comprises a rope winch for receiving a retaining rope or guide rope,
wherein the retaining unit is pivotably coupled to the pivot arm,
wherein the base comprises a plurality of latching units for receiving a first end of the retaining unit,
wherein the pivot arm comprises a first portion that is pivotably coupled to the base, a second portion to which the rope winch is coupled, and a third portion between the first and second portions,
wherein an angle between an underside of the first and third portions is less than 180° and greater than 90°, and
wherein an angle between an underside of the second portion and the underside of the third portion is greater than 180°.