Door closer arrangement

A door closer arrangement comprising a door closer, a slide rail, and an arm that connects the door closer with the slide rail, wherein the arrangement comprises a second rail, and a carriage to be attached to the second rail in a sliding manner, and wherein the carriage is arranged to form an attachment with the door closer, the door closer arrangement also comprising a first low-friction arrangement between the second rail and the carriage, and a second low-friction arrangement between the arm and the slide rail, the door closer arrangement also comprising an auxiliary motion arrangement in order to aid movement of the carriage and the door closer along the second rail,

• the auxiliary motion arrangement comprising a raising part at a first end of the second rail, the first end being the end to be installed nearby a hinge side of a door forming a slide slope for the door closer, the auxiliary motion arrangement comprising also an auxiliary spring arrangement,
• the auxiliary spring arrangement comprising an harvesting arm, a carrier and a third rail, the third rail being on the second rail and the carrier being attached moveable on the third rail so that the carrier is capable to move along the third rail, the harvesting arm being turnable attached to the carrier at a first end of the harvesting arm and being turnable and moveable attached to the slide rail at a second end of the harvesting arm,
• the auxiliary spring arrangement further comprising an harvesting spring attached on the second rail and a transmission mechanism between the harvesting spring and the carrier in order to tension the harvesting spring when the carrier and the harvesting arm move towards the first end of the second rail, and to release energy of the harvesting spring when the carrier and the harvesting arm move away from the first end of the second rail, the auxiliary spring arrangement also comprising a switch mechanism, in order to keep the carrier at a first end of the second rail and to release the keeping of the carrier when the door has moved to a closed position,
• the door closer arrangement comprising an attachment part attached on the carriage on the second rail, and the transmission mechanism comprising a connection part having a protruding part, which connection part is arranged to move the carriage through the protruding part towards the first end of the second rail after the release of the keeping of the carrier,
• the door closer arrangement comprising also a safety switch arrangement, which comprises a frame part and a pin, which frame part is arranged to drive the pin when the door is opened few degrees, the safety switch arrangement further comprising a shoulder part that is a part of the protruding part, and a guide block on vicinity of the second end of the second rail, said driving of the pin being arranged to move the protruding part away from a protruding position, and said guide block being arranged to move the protruding part to the protruding position when the connection part moves towards the second end of the second rail.