Movable or removable closures – Closure seal; e.g. – striker gasket or weatherstrip – Anchored in channel or slot in closure or portal frame
Reexamination Certificate
2001-04-12
2003-06-03
Strimbu, Gregory J. (Department: 3634)
Movable or removable closures
Closure seal; e.g., striker gasket or weatherstrip
Anchored in channel or slot in closure or portal frame
C049S440000, C049S414000
Reexamination Certificate
active
06571513
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to an arrangement for sealing a movable and an abutting fixed window pane of a vehicle, in particular for a side window that can be lowered and a fixed triangular pane in a rear door of a passenger car.
Sealing arrangements of this type, provided between a movable window pane and a fixed window pane abutting against it, are generally known in rear doors of passenger cars when it is desired that the side window pane of the rear door (side window) be completely lowerable. As a rule, without a division of the side window, the latter can be lowered only partially into the body of the rear door, since the section in the rear door provided for the wheel case of the rear wheel prevents a complete lowering of the side window. The divided side window of a rear door consists of a so-called triangular window pane, which is fixed and, as viewed in the direction of driving of the passenger vehicle, is arranged in the rear portion of the door, and of a lowerable side window pane, which is arranged in the front portion of the rear door. Between the two side window panes, a vertically extending sealing arrangement is provided which, on the one hand, provides the sealing surface for the lowerable side window pane and, on the other hand, offers a surface for accommodating the frame of the fixed triangular window pane. The sealing arrangement consists essentially of an H-shaped profile element (dividing strut), made of aluminum or steel, in whose first U-shaped area a sealing profile for the lowerable side window pane is placed and into whose second U-shaped area the fixed side window pane is placed.
The use of an H-shaped profile element as a stabilizing basic element for the sealing arrangement results in the sealing arrangement protruding several millimeters from the window pane front formed by the exterior sides of the fixed and the movable side window pane. The H-shaped profile elements are also possibly clad with an elastomer, causing the sealing arrangement to protrude outwardly even more. This construction may lead not only to undesirable optical appearances, but also increases the Cw value and leads to an increase in the formation of wind noises.
The DE 41 06 715 A 1 document shows an h-type divider bar with the movable window panel being guided in the U-shaped part of said divider bar. While this approach reduces air turbulences, the movable window panel has a stepped lateral face which is complicate in production and a two-piece construction of the divider bar which two pieces need adjustment with respect to each other.
SUMMARY OF THE INVENTION
Based on this state of the art, the present invention is based on the problem of creating a sealing arrangement for a movable and an abutting fixed window pane of a motor vehicle, in particular for a lowerable side window pane and a fixed triangular window pane in a rear door of a passenger car which, with respect to the exterior window pane front formed by the movable and the fixed window pane, is constructed particularly flat.
With a sealing arrangement for a movable and an abutting fixed window pane of a motor vehicle, particularly for a lowerable side window pane and a fixed triangular window pane in a rear door of a passenger car, this problem is solved.
By means of the present invention, it is possible that part of a sealing arrangement which projects outwardly from the window pane front, formed from a movable and an abutting fixed window pane of a motor vehicle, protrudes only so far that, on the one hand, optical requirements with respect to the external appearence of the sealing arrangements can be met and, on the other hand, a reduction of the Cw valve and the reduction of wind noises connected therewith is possible. With the present sealing arrangement for a movable and an abutting fixed window pane of a motor vehicle, these requirements are met in that the movable window pane rests only on the outside of a sealing surface of a sealing profile, placed inside a profile element and, in this way, seals along the sealing surface only with the edge area of its interior face and with its lateral face. A usually customary complete U-s aped gripping around the edge area of the movable part of the window pane no longer takes place. Also, the fixed window pane is no longer arranged between two extensions of the profile element providing the stability of the sealing arrangement, but is fastened on the profile element only from the outside. In this way, a frame extension of the profile element no longer protrude from the window pane front formed by the movable and the fixed window pane.
Preferably, the profile element has a T-shaped cross-section with a flange and a cross-piece, since hereby the necessary stability can be provided in the direction of its profile and a support of the fixed and of the movable window pane, diagonally as well as in the direction of a motor vehicle, is ensured. For this purpose, the cross-piece of the profile element extends at least into the gap between the movable window pane and the fixed window pane and the flange area of the profile element extends largely parallelly with respect to the two window panes and at a distance with respect to their interior surfaces on the interior of the vehicle. In order to ensure an optimal support of the two window panes at their interior and front surfaces, in a preferred embodiment, the cross-piece is guided through a gap between the two window panes and slightly protrudes from the exterior window pane front.
In order to attach the sealing profile for the movable window pane on the profile element, swallow tail-like locking elements are formed on that side of the sealing profile which is facing the sealing surface for the movable window pane and engage counter-locking elements provided on the profile element in the form of undercuts. Hereby, a releasable as well as stable attachment of the sealing profile on the profile element can be achieved. Preferably, the counter-locking elements in the form of undercuts are arranged on the cross-piece and on the flange of the profile element, respectively.
For the placement of the movable window pane on the sealing surface of the sealing profile exclusively from the outside, a construction of the sealing profile in the form of a tubular profile with a chamber and having a cross-section in the shape of a quarter circle is advantageously suitable. In this way, the crosspieces of the sealing profile which is in the shape of a quarter circle and wherein the cross-pieces are at a right angle to each other, can accommodate the locking elements, and the outer section of the sealing profile, which forms the sealing surface with the movable window pane and is in the shape of a quarter circle, can optimally rest against the inside and the front face of the edge area of the movable window.
In a preferred embodiment, the profile element is, outside the connection area of the sealing profile, provided with a cladding made of an elastomer, preferably a surrounding made of a polyurethane foam.
The design of the above-described sealing arrangement makes a particularly flat construction toward the outside possible, so that the sealing arrangement between the movable and the fixed window pane protrudes from the exterior window pane front of the movable and the fixed window pane merely by a height which is less than the thickness of the window panes, preferably less than two millimeters—or not at all.
For the attachment of the fixed window pane on the profile element, on the one hand, the simultaneous cladding with an elastomer—preferably a surrounding with polyurethane foam—of the profile element and of the edge area of the fixed window pane, i.e. its interior and exterior sides as well as its lateral face, has proven to be advantageous.
The fixed window pane may also be attached by gluing. For this purpose, preferably in connection with the cladding from the profile element with an elastomer, preferably with polyurethane, a recess is formed which corresponds to the contour of the edge area of the fixed win
Carlson Gaskey & Olds P.C.
Meritor Automotive GmbH
Strimbu Gregory J.
LandOfFree
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