Abstract: A safety system comprising a number of sensors connected to a control box is provided, where the status of the system is displayed on the control box by a plurality of indicators in two categories, where the system may be in three modes, wherein in a first mode all indicators in a first category are “on” indicating that a machine on which the safety system is arranged is in operation mode, a second mode where all indicators in the second category are “on” indicating that the machine on which the safety system is arranged is in service mode and a third mode where all indicators are “off” for both categories indicating that the machine on which the safety system is arranged is not being tested by the safety system.

Abstract: A safety system comprising a number of sensors connected to a control box is provided, where the status of the system is displayed on the control box by a plurality of indicators in two categories, where the system may be in three modes, wherein in a first mode all indicators in a first category are “on” indicating that a machine on which the safety system is arranged is in operation mode, a second mode where all indicators in the second category are “on” indicating that the machine on which the safety system is arranged is in service mode and a third mode where all indicators are “off” for both categories indicating that the machine on which the safety system is arranged is not being tested by the safety system.

Abstract: A brake shoe is provided including two engagement bodies, where the engagement bodies are connected by a threaded axle, such that by rotating the threaded axle in a first direction around a rotation axis parallel to the axle, the engagement bodies are urged towards each other, and by rotating the axle in a second direction different from the first direction, the engagement bodies are urged away from each other, and where at least one guide axle is provided parallel to the threaded axle, where the two engagement bodies may slide freely along the at least one guide axle, and further where an attachment is provided for attaching the brake shoe to a construction.