US2031526A - Link type hinge - Google Patents

Description

Feb 18, 1936.

LINK TYPE HINGE Filed Aug. 17, 1955 G. DEMUTH 2,031,52

Patented Feb. 18, 1936 UNITED STATES PATENT OFFICE Application August 17,

3 Claims.

The invention relates to the general class of builders hardware and has special reference to means for pivotally mounting a closure.

The principal object of the invention, generally stated is to provide a novel link type hinge well adapted for use inpivotally mounting the covers of boxes, chests and the closures'of various articlesof furniture, there being, however, no particular limitation as to the employment of the -device as it is well adapted for use in a wide ,variety of artsand for numerous purposes. Animportant object of the invention is to ,provide. ahinge which is of the link type in contradistinction to the pintle or pin type and which -l5lconsequently provides for a certain bodily movevment of the. closure with respect to a receptacle or the like in. addition to simple rotary or pivotal movement.

Another object is to provide a hinge which embodies or incorporates within itself combined A stop andbrace means which, when the cover for .instanceof a chest or the like is opened, will .limit the opening movement and at the same .time support the cover at an incline so that it will not accidentally fall into closed position,

Still another object is to provide a hinge possessing the above mentioned characteristics and which also involves the provision of coacting guideelements which will insure proper relative movement of the component parts at any and all times and throughout all stages of the movement ,of the closure, great strength and rigidity being thereby obtained.

Another. object is to provide a hinge which upon being applied to an article of furniture or .Lthelike is mounted upon the inner faces of the 7 ends thereof and will consequently be more stable and far less liable to disorganization than the pintle types of hinges which are simply mounted upon the edges of receptacles, etc.

An additional object is to provide a hinge of this character which will be simple and inexpensive to manufacture, easy to install or mount, positive in action, eflicient and durable in serv- 45. ice, and ageneral improvement in the art.

To the attainment of the foregoing and other objects and advantages, the invention preferably consists in-the details of construction and the arrangement and combination of parts to be hereinafter more fully described and claimed, and

,illustrated in the accompanying drawing in which:

Figure 1 is a fragmentary vertical cross sec- 7 tional view'through a chest or the like showing the cover thereof closed and illustrating my hinge 1933, Serial No. 685,605

structure, the view being taken at such a plane as to look toward the inside of the hinge casing.

Figure 2 is a similar View with the cover shown in open position,

Figure 3 .is a vertical cross section taken on the line 3-3 of Figure 1,

Figure 4 is a horizontal section taken on the line 444 of Figure 1, and Figure 5 is a view looking at the outside of the hinge casing with a' portion thereof broken away and in section.

Referring more particularly to the drawing, the numeral l0 designates; as a whole, a portion of an article of furniture, for example, which might easily be a chest or the like, it being distinctly understood in advance that the invention is not limited to employment in connection with any one particular type of device as its uses are manifold. This chest is disclosed as including a rear wall II, end walls l2 and a top or cover I3 which it is desired to mount for swinging movement.

The hinge structure is represented as including an open sided casing or housing l4 having at one edge an inwardly offset flange l5 adapted to be fastened by screws or the like It to an end wall l2 of the chest or other article. For stiffening purposes the bottom edge of the housing is provided with an inwardly directed flange I! which closes the bottom edge. In addition, it is preferable that the rear edge of the housing be formed with an outwardly directed flange 18 adapted to be fastened by screws or other fastening elements l9 to the back wall ll of the chest. The remaining edge is open to permit passage of the movable parts of the hinge.

The movable portion of each hinge comprises an angle lever 20 having one arm 2| pivoted at 22 to the upper rear corner of the housing, and having its other arm 23 carrying a pivot 24 pivotally and slidably engaged within a slot 25 formed in a link 26 which is preferably flanged at 2'! for attachment as by screws or other fastening elements 28 to the underside of the cover or top l3. By saying that the link is flanged, it

may be construed as meaning that it is right angular in cross section or else that the flanges may be simply in the nature of apertured ears, this being an obvious variation.

The device also includes a combined guide and brace member formed as a second angle lever 29 which has its angle pivoted at 3!] to the angle of the lever 20, and which has the free end of one arm 3| pivoted at 32 to the rear end of the meme ber 26. The remaining arm 33 of the angle lever 29 carries a headed pivot element 34 slidable along and within an upwardly and forwardly inclined or diagonal slot 35 in the housing Hi. The arms 23 and 33 are offset as shown so that the angle levers may fit closely together for the sake of compactness but without binding or interference. In order to avoid interference with or catching upon any articles contained within the chest or other receptacle to which the device is applied, the exposed face of the housing is provided with a plate 36 which covers the slot 35 and headed element 34 and which is shown as secured to the wall of the housing [4 by the pivot element 22 which passes through the offset end portion 36 An additional securing element 31 is provided at the other end and passes through a spacer 31 The plate 36 lies close to the supporting plate [4 and has one edge abutting against the flange l8, as clearly shown.

In the use of the device, it will be seen that when the cover [3 is in its closed position the angle levers 20 and 29 will be arranged as indicated in Figure 1, the pivot element 24 being at the forward end of the slot 25 and the pivot element 34 being at the lower end of the slot 35. When the cover I3 is grasped and swung open,

it is clear that the pivot element 34 will slide up wardly along the inclined slot 35 until it reaches the upper end thereof, this upper end serving as a stop for preventing further movement. Both angle levers 20 and 29 will swing upwardly and they will also pivot relatively about the axis 30. The link 26 also pivots on the element 32 while at the same time the pivot member 24 will slide rearwardly along the slot 25 so that the parts will assume the position shown in Figure 2. During this movement it is apparent that the cover l3 has a bodily movement above and then rearwardly with respect to the back wall I I of the chest in addition to the pivotal movement. The parts are so related and the slots are of such length that when the cover or lid is thus opened it may incline rearwardly to a slight extent with the ends of the respective slots 25 and 35 constituting stops for maintaining this position so that the cover will not accidentally fall forward and downwardly into closed position. The mounting of the pivots 24 and 34 within the slots 25 and 35 respectively, taken in conjunction with the interconnected angle levers will' provide an adequate guide means which will insure proper opening and closing movement of the cover or lid. Moreover these cooperating parts serve as adequate brace means so that the parts will be relatively stable, this feature rendering the hinge structure particularly desirable in instances where the cover or lid may be large and heavy. Another feature of advantage is that the hinge housing is secured to the end of the chest, cabinet or the like and will consequently be far more rigid than any type of hinge involving simple leaves connected by a pintle and mounted upon or at the edges of an enclosure and a cover therefor. As a matter of fact it is believed that every contingency of service and every requirement for efiicient operation has been contemplated and provided for so that the device should be capable of admirable performance and efliciently perform all the functions for which it is intended.

From the foregoing description and a study of the drawing it is believed that the construction, operation and advantages will be readily apparent to one skilled in the art without further explanation.

While I have shown and described the preferred embodiment of the invention, it should be understood that the disclosure is merely an exemplification of the principles involved as the right is reserved to make all such changes in the details of construction as will widen the field of utility and increase the adaptability of the device provided such changes constitute no departure from the spirit of the invention or the scope of the claims hereunto appended.

Having thus described the invention, I claim:

1. A hinge structure for mounting a cover upon a receptacle, comprising a single supporting plate having opposite edges formed with angularly extended flanges and having a third edge formed with a laterally extended flange whereby the plate and the flanges will define a housing, said first named flanges being apertured for the passage of securing elements whereby the housing may be secured with its open side against the end of the receptacle, a member right angular in cross section adapted to be secured upon the underside of the cover and formed with an elongated slot, a pair of angle levers arranged with their vertices in overlapping relation and pivotally connected, one of said angle levers having one arm pivotally connected within one corner of the housing and having its other arm pivotally and slidably connected in said slot, the other angle lever having one arm pivotally connected with the member carried by the cover, said housing being formed with an inclined slot, and the other arm of the second named angle lever being pivotally and slidably connected in said last named slot, both of said angle levers being accommodated and env tirely enclosed within said housing when said cover is in closed position whereby the levers will be prevented from contact with the contents of the receptacle.

2. A hinge structure for mounting a cover upon a receptacle, comprising a single supporting" plate having opposite edges formed with angularly extended flanges and having a third edge formed with a laterally extended flange whereby the plate and the flanges will define a housing, said first named flanges being apertured for the" passage of securing elements whereby the housing may be secured with its open side against the end of the receptacle, a member right angular in cross section adapted to be secured upon the underside of the cover and formed with an elongated slot, a pair of angle levers arranged with their vertices in overlapping relation and pivotally connected, one of said angle levers having one arm pivotally connected within one corner oi.

the housing and having its other arm pivotally and slidably connected in said slot, the other angle lever having one arm pivotally connected with the member carried by the cover, said housing being formed with an inclined slot, and the other arm of the second named angle lever being pivotally and slidably connected in said last named slot, both of said angle levers being accommodated and entirely enclosed within said housing when said cover is in closed position whereby the levers will be prevented from contact with the contents of the receptacle, and an auxiliary plate secured upon the exterior of said housing for covering the slot therein.

3. A hinge structure for mounting a cover upon a receptacle, comprising a single supporting plate having opposite edges formed with angularly extended flanges and having a third edge formed with a laterally extended flange whereby the plate and the flanges will define a housing, said first named flanges being apertured for the passage of securing elements whereby the housing may be secured with its open side against the end of the receptacle, a member right angular in cross section adapted to be secured upon the underside of the cover and formed with an elongated slot, a pair of angle levers arranged with their vertices in overlapping relation and pivotally connected, one of said angle levers having one arm pivotally connected within one corner of the housing and having its other arm pivotally and slidably connected in said slot, the other angle lever having one arm pivotally connected with the member carried by the cover, said housing being formed with an inclined slot, .and the other arm of the second named angle lever being pivotally and slidably connected in said last named slot, both of said angle levers being accommodated and entirely enclosed within said housing when said cover is in closed position whereby the levers will be prevented from contact with the contents of the receptacle, the pivots within said slots being engageable with the ends thereof for limiting opening movement of the cover to an extent but slightly beyond the vertical to enable the recep- 10 GEORGE DEMUTI-I.

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