Balanced door closing apparatus

Details Balanced door closing apparatus Balanced door closing apparatus

E - Fixed Constructions

05

F

E05F 1/12 (2006.01) E05D 15/30 (2006.01) E05F 3/22 (2006.01) E05F 3/10 (2006.01)

Patent

CA 2311054

An improved door closing apparatus (20) is adapted for use with a door frame (21) that comprises an elongated header (22), a sill (23) and a pair of side jambs (24, 25). A door (26) is adapted to be mounted on the frame for pivotal movement about an axis (y-y). The improved comprises a base (29) adapted to be mounted on the header, a closer mechanism (30) mounted on the base and having a first shaft (31) adapted to be oriented perpendicularly with respect to the axis of elongation of the header. The closer mechanism is operatively arranged to selectively urge the first shaft to rotate relative to the closer mechanism. A second shaft (33) is mounted on the base for pivotal movement relative thereto. The second shaft is substantially aligned with the pivotal excess of the door. First and second arms (34, 35) are mounted on the first and second shafts, respectively, for movement therewith. A link (36) pivotally connects the first and second arms that respective locations eccentric to the axes of the first and second shafts. Hence, a force transmitted by the closing mechanism may be transmitted through the first shaft, the first arm, the link, the second arm and the second shaft to urge the door to pivot in one direction about its axis.

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