DE2112490A1 - Door holding device - Google Patents

Description

DR. ING. E. HOFFMANN · DIPL. ING. W. EITLE · DH. RER. NAT. K. HOFFMANN

PATENTANWÄLTE f ~ \ I 2 H 9 U

D-8000 MÖNCHEN 81 ■ ARABELLASTRASSE 4 · TELEPHONE (0811) 911087

The Eastern Company, S. E. Cleveland, Ohio, U.S.A,

Door holding device

The invention relates to a door holding device for attaching a pivotable one. Door in closed .'- »division, e.g. a door holding device of the type such as oils for locking doors on trucks, truck trailers j or used on large cargo containers.

On load-bearing cabins, such as truck trailers and freight containers, are usually used as a front

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wall hinged doors are used to facilitate loading and unloading. The lack of Cu bars in the doorway causes some distortion of the door frame and cabin when subjected to uneven loading and load-induced stresses. To keep such doors closed, door-holding devices, typically one or more door-length locking bars, a locking element at each end of the bar or bars, and retaining elements on the door frame for receiving the locking elements. Some ™ 'of these devices use locking elements with areas * polygons on opposite sides a locking bar to prevent warping, ie a transverse distortion of the right-angled shape of a truck, trailer or magnificent container align a door frame, are particularly beneficial. Two such constructions are disclosed in prior United States Patent Nos. 3,099,473 and 3,484,127, to which the present invention Wk brings an improvement.

According to the invention is a door holding device for fastening a pivoting door in the closed position with two retaining elements, which are attached to opposite, each transverse to the pivot axis of a pivoting door extending parts of a door frame are attached, with a rod attached to such a door, is attached so that its longitudinal axis is at a distance from and parallel to the pivot axis of the door, with elements for rotating the rod around its axis., with locking elements which are attached to the opposite

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Ends of the rod are attached, characterized because the locking elements have a U-shaped middle body area have which the end of the clasp to the the area attached is encompassed, and that of the above Korρerbbereich protruding in opposite directions Areas with which the holding elements cooperate and the Fasten the door in the closed position.

The invention thus calibrates a door holding and locking device before, what a door locked in the closed position, forcibly aligns the door with the door frame and maintains this alignment even under load. In addition, the device according to the invention is cheap to manufacture, used, same parts for "die upper and lower locking elements of a door and protects the locking area of a door to increase security Ricjgc! Elementeε better before external application of force.

Hurry. Feature of the ¹ the present invention is to provide a locking element of the beschriebo-ien type whose cooperate in opposite directions from a supporting rod protruding portions at both sides of the Süange with a retaining element and the oscillating at the two opposite ends of a rod and in opposite directions Doors is to be used. By virtue of this feature, only one locking part needs to be produced. The latch member is also designed to be forged ge s enlcge and therefore cheaper to manufacture than parts that have to be cast.

The present invention will now be described in more detail with reference to the accompanying drawings.

Pig. 1 is a partial perspective view of the rear side of a truck trailer and shows one

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advantageous embodiment according to the invention;

Fig. 2 is a partially exploded perspective. tivic view of the Türvorriehtung according to Fig. 1;

Fig-> is a front view of one according to the invention Locking element; .

Fig. 4 is a front view of one of the present invention and together with the locking element according to FIG. 3. acting shark tee lementen.-_; -. · - ■■ - ■

Fig. 5 is a section through the locking and retaining element,

according to Fig. 3 and. ^ after that shown in Fig. 6 - _ "drew line 5-5ί -.

Fig »6. is a front view of the upper part of a door retaining device according to the invention, showing the interlocking bolt ... and retaining element, and a bearing element for attaching a bolt bar .and the bolt: element to a door, and .- _;: . .- _:

Fig. 7 is a side view of that of Fig. 6 .g Contraption. ,. ■

The present invention is shown in the embodiment of a truck trailer in FIG. As shown, a door retainer A is partly on a hinged rear door B and partly on. a 'door frame C of a truck trailer D attached. The door, B - is by means of hinges E on the outer vertical. Edge of the frame G attached. As usual, the truck trailer D has ^{a second, rear-like door B 1} and a second door holding device AV. The door shack in front of direction A 'is the same

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Device A is a mirror image. Only device A needs to be described in more detail.

To the Türhaltervorrichtüng Ä belong a pivotable locking bar lo, which extends vertically on the outer surface the door B extends from below a lower edge 11 to above an upper edge 12 of the door, furthermore upper and lower bearing elements Ij5, l4 and between them Bearing supports 16, 18, which the locking rod Io in Direction of the longitudinal axis · the bar can be pivoted on the door fasten] a handle 2o fastened to the rod and extending laterally from it; a handle holder, which, as indicated at 22, consists of a fastening plate and a fastening pin for fastening the handle is in a certain position with respect to door B; a lower and an upper locking element 24, 25 at the opposite ends of the locking bar Io beyond the top and bottom edges of the door j and respectively attached to the door frame C and cooperating with the upper and lower locking element an upper one and lower retaining element that the door B in closed Holds position and aligns with frame C and maintains this alignment. The locking bar Io can by means of of the handle 2o are pivoted in order to introduce the locking elements 24, 25 into the holding elements 26, 27 and out solve them.

The locking elements 24, 25 are the same, and therefore only the locking element 24 will be described in more detail. As in Fig. J; As best shown in Figure 5, the latch member 24 has a central, U-shaped body portion ~ jo and two bifurcated portions ~ 5 \, 32 extending in opposite directions from the central body portion. The shape of the locking element is symmetrical with respect to a central axis of the locking element

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tend middle plane, wherein the central axis of the locking element coincides with the central axis of the bending rod Io. In the preferred embodiment, in which the locking bar has a cylindrical shape, the central body region 3o of the bending element has the shape of a section of a circular cylinder which, by means of an opening in the direction of the axis, forms a recess 36 which extends over the length of the central body region extends and is able to accommodate the locking bar Io. The maximum width of the recess 36 is at the axial opening. The middle portion 3o of the body extends axially in a direction across the bifurcated areas outside and forms a bearing face serving as Teilnabe 37. & ύ the bifurcated portions 31, 32 are two projections 38, 39 and 4o, kl. At the jumps 38, 39 there are opposing surfaces 42, k% which converge in the direction of the center of the body. In the same way, the projections 4o, 4l each have opposing surfaces 45 which converge in the direction of the body ridge. The Advances

39 * 40 and 41 are curved in a direction opposite to the direction of the axial opening; and all the projections terminate in a common plane intersecting the central body region J> o , as can be seen in FIG The curvature of the fork projections is not sufficient to form a re-entrant corner. This fact, and the fact that the shape of the recess 36 of the central body part is widest at the opening, as well as other special design considerations shown in the drawings, make the part easy to see The locking element is attached to the rod such that the end of the rod is inserted into the recess and the rod is welded to the locking element at the weld areas 48, 49 shown in FIG.

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The holding elements 26, 27 cooperating with the locking elements are identical, and therefore only the holding element 26 will be described in more detail. This has a base area 52 with a flat bottom surface 53 for attachment to the door frame exactly opposite the associated locking element, and aligned with this. The retaining elements are either welded to the door frame or provided with openings on the base surface in order to facilitate attachment with fastening elements. Two spaced apart lugs 56, 57 extend therefrom on opposite sides of the base portion and are constructed so that the bifurcated portions 31, 32 of the associated locking element sit astride it so that pivoting of the locking element with respect to the Noses, in and out of the riding position is made possible. The nose 56 has two side surfaces 59 * 60 which run perpendicular to the bottom surface 53 of the base region and converge in the direction of the other nose 57. On the nose 57 there are two side surfaces 62, 63 converging in the direction of the other nose 56, which, also seen from the base region 52, are inclined towards one another in the outward direction, so that the nose tapers in the outward direction. The side surfaces 59, 60 and 62, 63 cooperate with the inclined surfaces 42, 43 and 45, 46 of the associated locking element, respectively, as is necessary when the door is not properly aligned or tends to move out of that correct orientation after the locking element has been brought into a position holding the door closed. More precisely, since the locking element 24 is rotated about the central axis 34 of the central body area during locking, the two fork areas 31 »32 cooperate with the lugs 56, 67 of the retaining element if the door is not correctly aligned. One of the inclined surfaces 42 or 43 of the front

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Cracks 38, 39 on the locking element act against a side surface 59 or 60, around the door carrying the locking element in a predetermined, correctly aligned position to press up or down »At the same time, one of the surfaces 45 * 46 of the projections 4o, 4l works with a the tapered surfaces 62, 63 of the nose 57 together, to help push the door into a predetermined orientation. Once the locking element is in is rotated to a locked position, have the same effect Areas together to prevent movement of the door in relation to the frame C within the door plane. In the The door restrained against movement in this way becomes a reinforcing structural element of the truck body D and increases the rigidity of the overall structure.

The door B is held in the closed position by means of a flange 66 holding the bolt on the nose 56 of the holding elements. The retaining flange 66 extends from the nose 56 in opposite directions, namely laterally with respect to the direction in which the side surfaces 59 * 60 converge. It is located far enough from the base region 52 to receive the projections 38, 39 forming the fork region 31 of the associated bolt, but is again close enough to the base region to close the door B firmly to the frame C and preferably close enough to it hold to limit rotation of the bolt and the bolt bar before the handle 2o has reached the door B, so that a slight torsional load can be exerted on the bolt bar Io by means of the handle 2o when the handle is pushed into a position in which he is held by means of the handle holder with clamp lock 22. On the surface of the one holding the bolt facing the Baois area

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Concave surface areas 68, 69 are formed of the flange, which lie on opposite sides of the nose area between offset, downwardly pointing, transversely extending shoulder areas 68a, 68b and 69a, 69b. In the advantageous embodiment shown, the concave surface areas and the shoulder areas extend in a straight line and essentially perpendicular to the direction in which the side surfaces 59, 60 of the nose converge. The concave surface areas are designed to accommodate the upturned ends of the protrusions J> Q ₃ j59 of the fork areas J> 1 of the latch. It follows that the end of the fork regions ~ yl from the flange portion 66 covers and is situated within the proximal end of the support member between the shoulder regions and is protected against direct external forces. As is apparent from the above description and the construction shown in the drawings, the holding elements 2.6, 27 are designed in a shape suitable for drop forging and can therefore be manufactured relatively inexpensively.

The bearing elements holding the locking bar Io and securing it to the door B, namely the upper and lower bearing elements' _{IJt 3} Ik, are constructed identically and therefore only the upper bearing element IJ> is described in more detail. The bearing element is made up of a support plate 72 and a cover plate ~~ (h (see FIGS. 6 and 7) which, when viewed from above, are generally rectangular and constructed in such a way that, when nested, they form a tubular passage for the locking bar Io has a relatively large surface area 75 and at one end a short bulge (6 which forms part of a cylinder and is delimited on two opposite sides by elongated flange areas, one of which

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shown at 77 in FIG. These planes first cross the axis of the bulge 76 and then extend parallel to the flat area 75 * in a plane set back by the diameter of the locking bar Io. The cover plate 74 has a corresponding shape so that the two plates together form a η tubular passage over the length of the bearing element. Thus, over a considerable length of the support plate, an elongated bulge 81 extends which is aligned with the bulge j6; and longitudinal flange regions 82, on the opposite sides of the bulge 81, extend along the flat region 75 and partially over the depth of the bulge in order to merge into a flat region 84 of the cover plate which rests against the outer flange regions of the plate 72, the extend on opposite sides of the bulge 76. Four openings 86 are designed to receive fastening elements in the bearing element in order to fasten it to the door B, the flat area 75 being flat on the outer surface dej? Door rests. The bearing element lj> is arranged directly on the upper edge 12 of the door B, and the locking bar Io extends from the bearing element a small distance above. The locking element 24 attached to the end of the locking bar is located in close proximity to the upper edge of the bearing element, so that the partial hub J> 7 of the locking element ^{1 is supported} by the edge 87 of the bearing element, whereby the play of the end of the locking bar with respect to the door B is constrained. The lower bearing element 14 similarly limits the upward axial movement of the locking rod Io with respect to the door, and the two bearing elements thereby ensure that the rod is essentially fixed in the axial direction, but allows it to rotate and turn freely about the longitudinal axis .

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The two additional, intermediate bearing supports l6, l8 each consist of a support plate 94 and a bracket 95 for the locking bar with a U-shaped area 96 and two protruding lugs 97 3 98. The U-shaped area has the shape of a partial cylinder, the width of which is in essentially corresponds to the diameter of the locking bar Io. An opening 99 is provided in each of the attachment areas 97 * 98 and in the support plate 94. The support plate is arranged between the locking bar Io and the door B, while the bracket extends over the locking bar opposite the support plate. The bracket and the support plate are fastened to the door B by means of fastening elements guided through the opening 99. The various parts that make up the upper and lower bearing elements 13, 14 and the bearing supports 16, 18 lying between them are expediently stamped metal parts made of cold-rolled steel.

The handle 2o is an elongated, flat piece of metal Io4, one end of which is pivotably attached to a connecting part I06 by means of a hinge pin Io7. The hinge pin Io7 extends through the openings in the connection part and handle. The connector is U-shaped so that it extends over an upper edge and two sides of the handle. It is welded to the locking bar Io so that it transmits movements of the handle to the locking bar. A gap is provided between the handle and the connecting part, which allows a limited pivoting of the handle about the hinge pin I07. So the handle in a vertical plane can be moved slightly to release it from the handle holder 22 without the locking bar \ o move. Moving the handle in the direction of or away from the door rotates the deadbolt. ge Io about its longitudinal axis, whereby the locking elements 24, 25 rotate.

The handle holder 22 holds the handle 2o in a fixed position on the door 3, v, ^r hen the Riecelelemente 24, 25 of the holding

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elements 26, 27 are detected. Belongs to the handle holder a base plate llo and a lower clamp 111, the are welded together and form part of the handle holder, in which a lower opening 112 and an upper opening (not shown) for attaching the part to door B. An upper clamp 115 is on one through the upper opening of the mounting plate extending bush 116 pivotally mounted. Both the lower clamp 111 and the upper clamp 115 are excluded and together form a recess to accommodate the handle Io4, if locking and retaining elements interlock. The handle can be swiveled around the socket II6 and then by swiveling the upper clamp Lifting the handle out of the recess formed by said part of the handle holder from the handle holder removed. Then the handle can be pulled away from the door around the locking bar Io around its longitudinal axis to turn.

From the above description it appears that an improved construction is disclosed in which a door in a simpler V / else can be locked in the closed position and properly aligned with respect to a door frame. In particular, a novel, improved door holding device is provided, the parts of which are inexpensive to manufacture are, and their locking, holding and bearing elements at one end of the device to the corresponding part on other end thereof correspond, so that a minimum number of different parts is necessary, and their holding element the locking end of the locking element receives and covers. At the same time, locking and retaining elements are used designed to effectively align and / or align a door belonging to a door frame maintained.

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Claims (6)

. - 13 - Claims lJ door holding device for fastening a pivoting door in the closed position, with two holding elements which are fastened to opposite parts of a door frame, each extending transversely to the pivot axis of a pivoting door, with a rod which is fastened to such a door in such a way that its longitudinal axis is at a distance from and parallel to the pivot axis of the door, with elements for rotating the bar about its axis, with locking elements which are attached to the opposite ends of the bar, characterized in that the locking elements (24, 25) have a U-shaped central body area (Jo), which comprises the end of the rod (lo) to which the area is attached, and that from the above body area in opposite directions protruding areas (31, 32) with the holding elements (26, 27 ) cooperate and 'fix the door (B) in the closed position. 2. Door holding device according to claim 1, characterized in that the locking elements (24, 25) contain fork regions (38, 39, 4o, 4l) which extend in generally opposite directions from the U-shaped body region (3o) transversely to the rod (lo) extend that the fork areas are provided with opposite surfaces (42, 43, 45, 46) converging in the direction of the rod, and that two areas (56, 57) of the holding elements (26, 27) which are located in a rod from one another ) are able to cooperate with the fork areas of the one locking element extending in opposite directions when the locking elements and the e are rotated into a forward position. 109 849/016 1 -i4- BATH ORIGINAL 3. Door holding device according to claim 2, characterized in that the holding elements (26, 27) each have a base area (52) for attachment to a door frame (C) or the like. And two separate nose areas (56, 57) which extend from the base portion (52) extend outwardly and are constructed and arranged so that the fork portions (3I, 32) of the respective locking element (24, 25) are able to ride thereon when the locking element and rod are rotated into a locked position so that both Nose areas are provided with side surfaces (59, 60) converging in opposite directions, so that on a nose area (56) for holding the locking element a puddle (66) "is provided, which extends in opposite directions of the nose at a distance from the base area has concave surface areas (68, 69) aligned with the base area and is able to accommodate ends of a fork area (31) of the locking element (24) when the fork areas di e grasp nose areas (56 * 57) astride, whereby pivoting of the door (B) prevents the other nose area (57) from tapering upwards from the base area on the converging side surfaces (62, 63), and bassed the two forks - and; The nose areas serve to prevent the door (B) and frame (C) from sliding against each other in the plane of the door. ' 4. Door holding device according to claim 3, characterized characterized in that two nose regions (56, 57) of the holding element (26, 27) which are separated from one another extending outwardly from the base region (52) and in a wedge or cam relationship with those in opposite Directions forked areas (3I, 32) of the locking element (24, 25) are able to work together when the locking element * and shaft (lo) are rotated in the locked position, that the locking elements holding splash areas (66) -15-109849 / 0161 in opposite directions from a nose (56) in a distance from the base region (52), "whose concave surface (68, 69) opposite the base element an end region of the locking element (24, 25) are able to receive and cover when the locking element is in Locked position in the holding element (26, 27) is located, and that the two fork areas (31 * 32) "and the nose areas (55, 5Γ) serve to create an opposing movement of Exclude door (3) and frame (C) in the plane of the door. 5. Door holding device according to one of the preceding claims, characterized in that the locking elements (24, 25) are identical to one another and are symmetrical about the longitudinal axis of the locking rod (lo). 6. Door holding device according to one of the preceding claims, characterized in that the Locking elements (24, 25) are drop forged parts. 109849/0161 tar soap