Patent ID: 11905722
Assignee: PERI SE
Field: Civil engineering (Other fields)
Classification: CPC E  F | IPC E  F

Claim 18:
19. A lowering device, comprising:
a support base;
a lifting piston slidably mounted in the support base and being slidable from a pushed-out working position into a lowered position;
a locking apparatus configured to lock the lifting piston in the pushed-out working position, the locking apparatus comprising:
a pivot bearing,
an eccentric lever rotatably secured in the pivot bearing, wherein the lifting piston and the support base are supported against one another in the working position by the eccentric lever, and
a con rod element having two rotary spindles at respective end regions and being movably secured to the eccentric lever, the lifting piston being movably connected to the support base by the con rod element and the eccentric lever.