Door hinges

Claim 2

Apparatus for pivotally mounting a door, window or like closure to a frame, comprising at least a top and a bottom hinge construction each comprising: a. a first part adapted for mounting on said closure, b. a second part adapted for mounting on said frame, c. pivot means connecting said parts for relative rotation about a predetermined axis and for relative angular displacement from the direction of said axis, d. each said pivot means comprising a first knuckle member on one said part having therein a cylindrical recess, e. a second knuckle member on the other part having a pin thereon including a portion projecting onto said recess, f. all of said four knuckles being of substantially the same external dimension, g. the projecting portion of the pin of one of said second knuckles having means defining a vertical load bearing surface and its corresponding recess having means defining a complementary vertical load bearing surface, h. the projecting portion of the pin of the other second knuckle having means defining a barrel shaped surface having a maximum diameter substantially greater than the remainder of the pin and constituting a lateral load bearing surface in load bearing relation with the peripheral wall of said cylindrical recess wherein it is received, and i. the maximum diameter of each of said pins being sufficiently smaller than the diameter of said recess wherein it is received to provide for angular displacement of all of said pins from the axes of the respective said recesses.

Claim 3

Apparatus as in claim 1 wherein the means defining the barrel shaped surface is the outer surface of a barrel shaped bushing mounted on said pin.

Claim 4

Apparatus as in claim 2 wherein the outer surface of said bushing is curved in an axial plane throughout its length with the radius of curvature being at least equal to the maximum transverse diameter of the bushing.

Claim 5

Apparatus as in claim 1 wherein the complementary load bearing surfaces are spherically curved.

Claim 6

Apparatus as in claim 3 wherein said complementary load bearing surfaces comprise a concave hemispherically curved seat on the end of said pin engaging with a ball received in the corresponding recess.

Claim 7

Apparatus as in claim 2 wherein the barrel shaped surface is curved in an axial plane, the radius of curvature being greater at the centre of the surface than at the ends thereof.

Claim 8

Apparatus for pivotally mounting a door, window or like closure in a frame, comprising at least a top hinge and a bottom hinge, each hinge comprising: a. a first mounting plate adapted for mounting on said frame, b. a second mounting plate adapted for mounting on said closure, c. pivot means connecting said first and second plates for relative rotation about a predetermined axis; the pivot means of one of said hinges being defined by: d. a first knuckle member on said first mounting plate and a second knuckle member on said second mounting plate, e. a first pin projecting vertically from said first knuckle member, f. means defining a barrel shaped surface on said pin having a maximum diameter substantially greater than said pin, g. a cylindrical recess in said second knuckle member receiving said barrel shaped surface therein and forming a cylindrical lateral load beariNg surface; the pivot means of the other of said hinges being defined by: h. a third knuckle member on said first mounting plate and a fourth knuckle member on said second mounting plate, i. a second pin projecting vertically from said fourth knuckle member, j. a cylindrical recess in said third knuckle member receiving said pin therein, k. means on said pin and in said recess defining complementary vertical load bearing surfaces, l. all of said four knuckles being of substantially the same external dimensions, and m. said second pin and said surface on said first pin each having a maximum diameter sufficiently smaller than the diameter of its respective recess to provide for relative angular displacement of each said pin within a predetermined range from a position coaxial with its respective recess.

Claim 9

Apparatus for pivotally mounting a door, window or like closure in a frame, comprising at least a top hinge and a bottom hinge, each hinge comprising: a. a first mounting plate adapted for mounting on said frame, b. a second mounting plate adapted for mounting on said closure, c. pivot means connecting said first and second plates for relative rotation about a predetermined axis; the pivot means of one of said hinges being defined by: d. a first knuckle member on said first mounting plate and a second knuckle member on said second mounting plate, e. a first pin projecting vertically from said first knuckle member, f. means defining a barrel shaped surface on said pin having a maximum diameter substantially greater than said pin, g. a cylindrical recess in said second knuckle member receiving said barrel shaped surface therein and forming a cylindrical lateral load beariNg surface; the pivot means of the other of said hinges being defined by: h. a third knuckle member on said first mounting plate and a fourth knuckle member on said second mounting plate, i. a second pin projecting vertically from said fourth knuckle member, j. a cylindrical recess in said third knuckle member receiving said pin therein, k. means on said pin and in said recess defining complementary vertical load bearing surfaces, l. all of said four knuckles being of substantially the same external dimensions, and m. said second pin and said surface on said first pin each having a maximum diameter sufficiently smaller than the diameter of its respective recess to provide for relative angular displacement of each said pin within a predetermined range from a position coaxial with its respective recess.

Claim 10

Apparatus as in claim 1 wherein said projecting portion of said pin having said barrel-shaped surface is received in a recessed bushing received in said recess.

Claim 11

Apparatus as in claim 8 wherein the recess in said bushing is eccentrically disposed with relation to its outer surface. 9

Claim 12

Apparatus as in claim 2 wherein said barrel shaped bushing is eccentrically mounted on said pin.

Claim 13

Apparatus as in claim 1 wherein each of said parts includes a plate having holes therethrough for receiving mounting screws.

Claim 14

Apparatus as in claim 11 wherein said holes in at least one of said plates are transversely elongated to provide for adjustment of said plate relative to said closure or frame.

Claim 15

Apparatus as in claim 7 including means for effecting vertical adjustment of said load bearing surfaces.

Claim 16

Apparatus as in claim 13 wherein said vertical adjustment means comprises a screw threaded into one of said knuckles.

Claim 17

Apparatus as in claim 14 wherein said screw is provided with a concave seat defining one of said load bearing surfaces.

Claim 18

Apparatus as in claim 1 comprising at least one stud projecting from each said part at substantially right angles to the axis of the associated pivot means providing for mounting said parts on the closure or frame.

Claim 19

Apparatus as in claim 16 wherein each stud includes angularly disposed portions such that the longitudinal axis of a major portion of each of said studs lies substantially parallel to but spaced from a plane extending through the major maxis of the associated pivot means.

Claim 20

Apparatus as in claim 7 wherein each of said knuckles has a longitudinal substantially vertical axis of symmetry, and the axis of the associated pivot means is substantially parallel to but spaced from said longitudinal axis.

Claim 21

Apparatus for pivotally mounting a door, window or like closure to a frame, said apparatus comprising at least a top and a bottom hinge construction each comprising: a. a first part adapted for mounting on said closure and connected by pivot means to a second part adapted for mounting on said frame, b. said pivot means comprising means on one said part having a bore extending at least partway therethrough and pin means on the other said part at least partly received in said bore, c. the pivot means of one of said hinge constructions further including means defining a vertical load bearing surface on said pin means and a complementary vertical load bearing surface in said bore, d. the pivot means of the other of said constructions including means defining a lateral load bearing barrel shaped surface on said pin means received in said bore and engaging with complementary lateral load bearing means therein, e. said pin means and said barrel shaped surface each having a maximum diameter sufficiently smaller than its respective bore to permit relative rotation thereof about a predetermined axis and relative angular displacement of one of said hinge parts with respect to said axis.

Claim 22

Apparatus for pivotally mounting a door, window or like closure to a frame, said apparatus comprising at least a top and a bottom hinge construction each comprising: a. a first part adapted for mounting on said closure and connected by pivot means to a second part adapted for mounting on said frame, b. said pivot means comprising means on one said part having a bore extending at least partway therethrough and pin means on the other said part at least partly received in said bore, c. the pivot means of one of said hinge constructions further including means defining a vertical load bearing surface on said pin means and a complementary vertical load bearing surface in said bore, d. the pivot means of the other of said constructions including means defining a lateral load bearing barrel shaped surface on said pin means received in said bore and engaging with complementary lateral load bearing means therein, e. said pin means and said barrel shaped surface each having a maximum diameter sufficiently smaller than its respective bore to permit relative rotation thereof about a predetermined axis and relative angular displacement of one of said hinge parts with respect to said axis.

Claim 23

Apparatus as in claim 19, wherein said barrel shaped surface is integrally formed with said pin.

Claim 24

Apparatus as in claim 19, wherein the rAdius of curvature of said barrel shaped surface is greater than its maximum transverse diameter.

Claim 25

Apparatus as in claim 1, wherein said complementary load bearing surfaces are defined by means on the end of said pin engaging with cooperating means on an end wall in said recess.

Claim 26

Apparatus as in claim 1 wherein said means defining the vertical load bearing surfaces comprise cone shaped pivot means on a projecting portion of said pin and complementary cone shaped pivot means in said recess.

Claim 27

Apparatus as defined in claim 20 wherein each said hinge part includes a mounting plate and a web connecting said plate with the associated said knuckle member and extending at an angle to said plate to offset said knuckle member from said plate.

Claim 28

Apparatus as defined in claim 24 wherein each said mounting plate is proportioned to lie on only one side of a plane normal to the inner end of the associated said knuckle member to provide for interleaving of said mounting plates.

Claim 29

Apparatus as defined in claim 25 wherein each said mounting plate has holes therethrough for receiving mounting screws, said holes being countersunk on both sides of said plate to promote mounting of said plate with either side adjacent the closure or frame.