Floor Spring
A closer sunk in the floor under the leaf, seen as a flush cover plate with a spindle.
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A closer sunk in the floor under the leaf, seen as a flush cover plate with a spindle.
A door closer concealed in the top edge of the leaf, with a slim guide rail set into the frame head.
A surface-mounted door closer with a two-piece folding arm joining it to a bracket on the frame.
A surface-mounted door closer whose arm slides in a guide rail fixed to the frame.
A floor spring pivot with a box that is sunk in the floor and a short round spindle that carries the door.
A four bar stay for outward opening windows, shown folded flat along the sash edge.