US 11,731,136 B2
Lifting tool for nut of inner wear part of cone crusher
Ville Järvenpää, Tampere (FI); and Hannu Vakkuri, Tampere (FI)
Assigned to METSO OUTOTEC FINLAND OY, Tampere (FI)
Appl. No. 16/975,587
Filed by METSO OUTOTEC FINLAND OY, Tampere (FI)
PCT Filed Feb. 18, 2019, PCT No. PCT/FI2019/050124
§ 371(c)(1), (2) Date Aug. 25, 2020,
PCT Pub. No. WO2019/162569, PCT Pub. Date Aug. 29, 2019.
Claims priority of application No. 20185177 (FI), filed on Feb. 26, 2018.
Prior Publication US 2020/0391216 A1, Dec. 17, 2020
Int. Cl. B02C 2/04 (2006.01); B02C 2/00 (2006.01); B66C 1/42 (2006.01); B66C 1/62 (2006.01); B02C 23/00 (2006.01); B66C 1/12 (2006.01)
CPC B02C 2/04 (2013.01) [B02C 2/005 (2013.01); B66C 1/422 (2013.01); B66C 1/62 (2013.01); B02C 23/00 (2013.01); B02C 2210/02 (2013.01); B66C 1/125 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A nut lifting tool of an inner wear part of a cone crusher, comprising:
a frame to be placed around a nut to be lifted, which frame comprises:
nut lifting lugs for supporting occurring from at least three sides of the center of gravity of the nut;
frame suspension brackets for suspending the frame from the nut before lifting the nut;
an open side for receiving a nut;
a hinged latch for closing the open side for the duration of lifting;
lateral limiters, which, together with the lifting lugs and the suspension brackets, form a nut receiving space such that the frame can be slid from the open side to surround the nut; and
lifting connection pieces for connecting a crane to the frame.