Arrangements for closing access member, and access member systems

An arrangement for closing an access member rotatable relative to a frame, the arrangement comprising:

• a frame part for fixation to the frame;
• an access member part for fixation to the access member, the access member part being rotatable relative to the frame part about a vertical hinge axis between a closed position and an open position;
• and
• a mechanical force device configured to store mechanical energy from an opening movement of the access member part from the closed position to the open position, and configured to release the stored mechanical energy to a closing movement of the access member part from the open position to the closed position;
• wherein the force device comprises a lifting transmission arranged to lift the access member part vertically during the opening movement and arranged to lower the access member part vertically by gravity during the closing movement;
• wherein the lifting transmission comprises a lifting cam profile and a lifting cam follower arranged to follow the lifting cam profile;
• and
• wherein the lifting cam profile is steeper in a section contacted by the lifting cam follower during a last part of the closing movement than in a remaining section of the lifting cam profile for being contacted by the lifting cam follower.

An arrangement for closing an access member rotatable relative to a frame, the arrangement comprising:

• a frame part for fixation to the frame;
• an access member part for fixation to the access member, the access member part being rotatable relative to the frame part about a hinge axis between a closed position and an open position;
• a mechanical force device configured to store mechanical energy from an opening movement of the access member part from the closed position to the open position, and configured to release the stored mechanical energy to a closing movement of the access member part from the open position to the closed position;
• a friction brake arranged to brake the closing movement;
• a brake transmission arranged to transmit movements of the access member part between the closed position and the open position to an increase and a decrease of a braking torque of the friction brake;
• and
• an electromagnetic generator arranged to be driven by the closing movement to generate electric energy.