GB2153905A

GB2153905A - Hinge

Info

Publication number: GB2153905A
Application number: GB08502744A
Authority: GB
Inventors: Ronald John Walter Jarvis
Original assignee: Individual
Current assignee: Individual
Priority date: 1984-02-04
Filing date: 1985-02-04
Publication date: 1985-08-29
Also published as: GB8502744D0; GB8403001D0

Abstract

A hinge especially for hanging an internal or external door in a building. The hinge comprises a pair of hinged plates 1, 2 of which the plate 1 is to be fixed to a front or rear face of the door 3 and the other plate 2 is to be screwed to a frame member 5 from which the door is to be hung. The plate 1 has at least one hole 9 therein through which the shank of a fixing bolt or screw 10 is passed with radial clearance. The head of the screw or nut 12 is tightened to grip the door 4 to the plate 1 and is then covered by a cap 14. Before the cap 14 is fitted and the screw or nut is tightened, the door can be adjusted sideways or vertically relatively to the hinge. When the door is in the correct position, the screw or nut is tightened and the cap 14 is fitted to cover the head of the screw or nut 12. <IMAGE>

Description

SPECIFICATION Hinge The invention relates to a hinge and is particularly, but not exclusively concerned with a door-hinge to be used for hanging an internal or an external door in a building. However, the hinge may also be used for hanging other types of door, window or the like (hereinafter called "a door") and may have either a vertical or horizontal pivotal axis.

According to the invention, the hinge comprises a pair of hinged plates of which one is to be fixed to a front or rear face of a door (as herein defined) and the other is to be fixed to a frame member to which the door is to be attached, said one plate having at least one aperture therein through which the shank of a bolt, stud or screw can be passed with radial clearance around the shank, the bolt and a cooperating nut, or the stud or screw, being used to clamp said one plate to the door and, when loosened, to permit the door to be adjusted relatively to said one plate, as permitted by the radial clearance between the shank and the edge of the aperture, and the other plate, which is to be attached to the frame member, having two or more spaced holes therein for receiving fixing screws.

The invention also includes the combination of the hinge as set out in the immediatelypreceding paragraph, at least one fixing bolt and nut or stud or screw of which the shank is to be passed through the or a respective aperture in said one plate, and a removable cap to cover the nut or head of the stud or screw. The cap may have an integral screw to be engaged in a screwed socket in the end of the bolt engaged by the nut or in the head of the stud or screw. Alternatively the cap may be of a kind which can be resiliently-engaged with the nut or head of the stud or screw or be engaged with co-operable means on said one plate.

The said one plate may have an ornamental or decorative shape, surface finish or colour.

For example, it may have a shape, surface finish or colour to conform with the door handle or other door furniture.

Where said one plate is clamped to a face of the door by a bolt and nut with the nut engaging against said one plate, the head of the bolt may either extend outwardly from the face of the door remote from said one plate or be inset in said remote face so that the outer face of the head of the bolt is flush with said remote face of the door.

The aforesaid combination may also include a plug which is to be inserted into the door until the outer end of the plug is flush with or below the face of the door to which said one plate of the hinge is to be fixed, the plug having an internally screw-threaded socket into which a fixing screw or stud is to be screwed to grip said one plate to the door, said one plate having an aperture therein larger than the diameter of the shank of the screw or stud and smaller than the head thereof.

The said one plate may have a recess therein to accommodate with radial clearance the head of the screw or stud.

By way of example, several embodiments of a hinge in accordance with the invention are now described with reference to the accompanying drawings, in which: Figure 1 is a front view of the hinge fitted to a door and a fixed frame member; showing a portion of the door, frame member and architrave; Figure 2 is a horizontal section through the hinge, door and frame member shown in Figure 1 and showing the architrave; Figure 3 is a view similar to Figure 2 showing an alternative bolt for fixing the hinge to the door; Figure 4 is a front view of an alternative hinge in accordance with the invention;; Figure 5 is a front view of a portion of the door showing an inset plug therein for receiving a screw for attaching the hinge to the door, and Figure 6 is a view similar to Figure 2 showing an alternative hinge in accordance with the invention secured to the door by a screw screwed into the plug shown in Figure 5.

The hinge shown in Figures 1 and 2 is a face hinge and so is able to be secured to the door and to the frame member more securely than can a butt hinge because the plates 1 ,2 of the hinge can be secured respectively to an upright edge member 3 of the door 4 by a longer screw or screws or a through bolt or bolts and to the frame member 5 by longer screws than with a butt hinge. In the case of the frame member 5, the reason for this is that usually the frame member is deeper from front to back than is its transverse thickness.

Thus by using a face hinge it is more difficult for the door to be pulled off its hinges. A disadvantage of using a conventional face hinge is that this is unsightly when viewed from the face of the door to which the hinge is fixed. Another disadvantage is that when using conventional face hinges it is not easy to make adjustment to the door while it is being hung to ensure that there is a minimum and uniform clearance between an edge of the door and the adjacent frame member. The hinge provided by this invention avoids these disadvantages.

The hinge shown in Figures 1 and 2 comprises the two plates 1, 2 hinged together at 6. The hinge portion 6 may be of small crosssectional diameter and thereby enable the gap between the adjacent edges of the door 4 and the frame member 5 to be small.

The plate 2 may have two or more counter sunk holes therein to receive fixing screws 7 in conventional manner. Where the plate 2 is screwed to the front edge of the frame member 5, the architrave 8 is either removed when the hinges are to be fitted or is not fitted until after the door has been hung. The architrave 6 is then fitted or replaced and so it covers completely the plate 2 and the heads of the fixing screws 7, as shown in Figure 1.

The other plate 1 of the hinge has one or more apertures 9 therein. These are conveniently circular and have a diameter which exceeds the diameter of the door-fixing bolt or screw by a radial clearance all round, at least equal to the clearances required between the edges of the door and the respective frame members or floor. To hang a door, a hole is drilled through the edge member 3 of the door 4 of a diameter substantially equal to the diameter of the shank of a fixing bolt 10. The bolt 10 having, for example, a rounded head 11 is pushed through the hole in the door from the back or inner face and through the aperture 9 in the plate 1. A nut 12 is then screwed onto the bolt at the outside face of the plate 1.Each hinge is secured in this way and after the screws 7 have been tightened to hold the respective plates 2 against the frame member 5, the door can be adjusted to the required position as permitted by the radial clearance between the shanks of the bolts 10 and the edges of the respective apertures 9.

Then the nuts 1 2 are tightened to clamp the plates 1 securely to the door 4.

The nut end of each of the bolts 10 has a screw-threaded socket 1 3 therein into which a screwed shank of a covering domed cap can be screwed, as in a mirror-fixing screw. The dome is indicated at 14 and it overlaps and covers the nut 1 2 and the aperture 9. Thus when the hinges have been fixed and the caps 14 have been fitted, only the plates 1 and the caps 1 4 will be visible. The plates 1 may have any required shape and finish, ornament or colour. They may be designed to match the door handle and any other door furniture.

Instead of using the through bolts 10, a screw passed from the front of each of the hinge plates 1 may be screwed into the edge member 3 of the door 4, the length of the screws being a little shorter than the thickness of the door. The shank of the screw is smaller than the diameter of the aperture 9 in the hinge plate 1, thereby to give the required radial clearances for adjustment of the door.

The screw may be of any kind, such as a slotted-head type, for receiving a screw driver, or a socket-type screw or a screw having a head to be engaged by a spanner. The head of the screw would have a screw-threaded central socket for receiving the shank of the domed cap 14. This when fitted covers completely the screw head and the aperture 9.

Instead of the bolts used for fixing the plate 1 to the door 4 being of the round-headed type, they may be flat-headed at 1 5 and inset into the respective face of the door to result in a flush face, as shown in Figure 3.

For a heavier door, the plate 1 would be provided with, for example, a pair of apertures and covering caps 14 and the plate 2 may, for example, have three or more countersunk holes therein for the fixing screws 7. This type of hinge is shown in Figure 4.

Instead of using caps 14 with integral screw-threaded shanks, deformable caps which can be clipped onto the nuts 1 2 or screwheads may be used.

Figures 5 and 6 illustrate a method of fixing the plate 1 of a hinge in accordance with the invention by means of a screw (or stud), particularly a non-tapered screw, i.e., not a wood-screw. This method involves the use of a screw-receiving insert in the form of a plug 20 having a threaded socket 21 extending from one end thereof to receive the screw.

The other end of the plug 20 is tapered at 22 to enable the plug to be driven into the door.

The main portion of the plug 20 containing the socket 21 is cylindrical and has radiallyoutwardly-extending fins or flutes 23, for example, four. The plug may be made of metal or other hard material, for example, a hard plastics material. First a pilot hole of smaller, or substantially the same, diameter as the main cylindrical portion of the plug 20 at the root of the fins 23 is drilled in the door 4 and then the plug 20 is driven into the hole until the end 24 remote from the tapered end 22 is flush with, or is recessed into, the face of the door. The plug 20 is therefore tightly gripped in the door 4 or the edge member 3 thereof, where the door is not solid,and is restrained from turning by the fins 23, which bite into the door when the plug is driven in.

The hinge plate 2 is screwed to the frame member 5 by screws as in the embodiments shown in Figures 1-4 and then the hinge plate 1 is secured by means of one or more screws 24 screwed into the screwed socket 21 frcm the front face of the hinge plate 1. This may abut the face of the door or may have a recessed portion 25 which is located in a corresponding recess in the face of the door.

The front face of the plate 1 has a countersunk recess 26 therein in which the head 27 of the screw 24 is received. The shank of the or each screw 24 is of smaller diameter than the hole 28 therefor in the plate 1 and also the head 27 of the screw is of smaller diameter than the recess 26. Thus before the screw 24 or all the screws are fully tightened, the door 4 can be adjusted relatively to the plate 1 both sideways and vertically. When the door has been fixed in the correct position, the screw or screws 24 are fully tightened. The screw head 27 is then covered by a cover or cap 29 which is a tight or spring fit into the recess 26 or alternatively onto an annular rib which may be provided around the recess 26. Alternatively, the cover 29 may be provided with a screwed spigot which is engaged with a co-operating screw-thread in the recess 26 or on the annular rib, where provided.

Claims

1. A hinge comprising a pair of hinged plates of which one is to be fixed to a front or rear face of a door (as herein defined) and the other is to be fixed to a frame member to which the door is to be attached, said one plate having at least one aperture therein through which the shank of a bolt, stud or screw can be passed with radial clearance around the shank, the bolt and a co-operating nut, or the stud or screw, being used to clamp said one plate to the door and, when loosened, to permit the door to be adjusted relatively to said one plate, as permitted by the radial clearance between the shank and the edge of the aperture, and the other plate, which is to be attached to the frame member, having two or more spaced holes therein for receiving fixing screws.

2. The combination of a hinge according to Claim 1, at least one fixing bolt and nut or stud or screw of which the shank is to be passed through the or a respective aperture in said one plate, and a removable cap to cover the nut or head of the stud or screw.

3. The combination as claimed in Claim 2 in which the cap has an integral screw to be engaged in a screwed socket in the end of the bolt engaged by the nut or in the head of the screw.

4. The combination as claimed in Claim 2 in which the cap is of a kind which is resiliently-engageable with the nut or head of the screw.

5. The combination as claimed in Claim 2 in which the cap is engageable with cooperable means on said one plate of the hinge.

6. The combination as claimed in Claim 2 with a non-rotatable plug which is to be inserted into the door until the outer end of the plug is flush with or below the face of the door to which said one plate of the hinge is to be fixed, the plug having an internally screwthreaded socket into which a fixing screw or stud is to be screwed to grip said one plate to the door, said one plate having an aperture therein larger than the diameter of the shank of the screw or stud and smaller than the head thereof.

7. The combination as claimed in Claim 6 in which said one plate has a recess therein to accommodate with radial clearance the head of the screw or stud.

8. The combination as claimed in Claim 6 or 7 in which the removable cap is engageable within the recess in said one plate or with an annular rib bounding the recess.

9. The combination as claimed in Claim 6 in which the plug has a plurality of longitudinal fins extending from its outer surface.

10. A hinge constructed and arranged substantially as described herein and shown in Figures 1 and 2, 3, 4 or 6 of the accompanying drawings.