Patents by Inventor Jurgen Schrader
Jurgen Schrader has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5259658Abstract: A partial stiffening of a covering of a folding top is provided by a wide tension-belt element which is stretched between two supporting structure members of the folding top and which, extending underneath the stretched folding-top covering, bears supportively against the folding-top covering on the wide side. The tension-belt element can be used for stiffening a zone of the folding-top covering curved transversely relative to its longitudinal extension, the side of the tension-belt element facing the folding-top covering has, at two spaced supporting locations, a contour matched to the intended transverse curvature of the folding-top covering. Supporting forces are transmitted by a spring prestress directed towards the folding-top covering.Type: GrantFiled: November 16, 1992Date of Patent: November 9, 1993Assignee: Daimler-Benz AktiengesellschaftInventors: Harald Koppenstein, Jurgen Schrader
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Patent number: 5253575Abstract: A drive system for a lid or a flap of a convertible car body in which the control effort for the drive system is reduced by configuring the working cylinder as a control valve which releases the lid or the like after unlocking of the lock for lifting by the lifting cylinder, and is connected between the control device and the lifting cylinder.Type: GrantFiled: August 3, 1992Date of Patent: October 19, 1993Assignee: Mercedes-Benz AGInventors: Klaus-Peter Claar, Frank van de Poel, Kurt Schaible, Jurgen Schrader, Holger Seel
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Patent number: 5251952Abstract: A motor vehicle folding hood has a hood part which rests on a bodywork component when the hood is closed and is connected thereto via locking apparatus. A pivot mounting of the hood part is provided on a further hood part on the side opposite to the locking side, about the bearing axis of which the hood part can be swung up into a lift-off position after unlocking thereof, as well as automatic pivot drive of the unlocked hood part via a spring loading. A drive device for the spring-loaded drive, which is regenerated after the downward pivoting of the hood part into its bearing position, is supported on the mutually connected end regions of the two hood parts at a moment distance from the bearing axis.Type: GrantFiled: June 25, 1992Date of Patent: October 12, 1993Assignee: Mercedes-Benz AGInventors: Martin Guckel, Jurgen Schrader
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Patent number: 5246262Abstract: The invention relates to a folding top for vehicles having a dimensionally stable rear window which, when the top is pushed back, can be folded down from an upright position of use into a stowed position displaced to the rear. Sliding control of the rear window during the stowing operation is provided via a strut of the top frame. The central region of the strut rests against the underneath of the top cover in front of the rear window when the top is closed and overlaps the rear window in its swung-back end position. A coupling device is provided for transmitting movement by means of which the rear window and the strut are connected to one another, in each case at a distance from their pivot axis.Type: GrantFiled: September 8, 1992Date of Patent: September 21, 1993Assignee: Mercedes-Benz AGInventors: Jurgen Schrader, Martin Guckel, Helmut Rottler
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Patent number: 5224364Abstract: A device is disclosed for sensing the rotary angle of a key-actuated lock system which contains a lock cylinder of a door or flap of a vehicle which is rotatable by way of a key. A follower is coupled to the lock cylinder via a driving coupling allowing a free-wheel rotational play and to a protection element of a lock and is rotatably mounted in a door interior. A switch-actuating part is rotationally coupled to the lock cylinder virtually free of play and is rotatable synchronously with the lock cylinder and a control switch which is switchable by the switch-actuating part at a specific rotary angle of the part and directly spatially adjacent thereto. The switch-actuating part is mounted behind the follower in relation to the lock cylinder on a carrier facing the interior of the vehicle and is fixed to the door or flap. A control switch is retained at least indirectly on the same carrier, and at least these two parts are sealed off relative to the door interior.Type: GrantFiled: March 20, 1991Date of Patent: July 6, 1993Assignee: Mercedes-Benz AGInventors: Klaus Claar, Jurgen Schrader, Martin Lindmayer
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Patent number: 5183300Abstract: A fastening arrangement for a movable part especially a folding top or a roof of a motor vehicle. The arrangement includes a rotary latch which serves for securing a fastening pin of the movable part and is rotatable by means of an actuating device for a blocking and release of the fastening pin which can be retained by means of a detent pawl. In the locked position of the fastening, the detent pawl rests in an undercut principal notch of the rotary latch. High frictional forces and disturbing noises therefore are avoided during the unlocking operation. The rotary latch is rotatable through a specific angle oppositely to the blocking direction of the detent pawl by means of a control device activatable by the actuating device.Type: GrantFiled: January 27, 1992Date of Patent: February 2, 1993Assignee: Mercedes-Benz AGInventors: Andreas Bonne, Klaus Claar, Jurgen Schrader
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Patent number: 5135735Abstract: The invention relates to a method of localizing and quantifying regional energy metabolism, in particular regional ischemia, in a warm-blooded living being, comprising administering to said being a diagonstically effective quantity of a radiolabelled L-homocysteine or a radiolabelled functional derivative thereof. The invention further relates to a pharmaceutical composition to be used for performing the above method.Type: GrantFiled: December 14, 1990Date of Patent: August 4, 1992Assignee: Mallinckrodt Medical, Inc.Inventor: Jurgen Schrader
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Patent number: 5052740Abstract: A folding top for vehicles has a common pivoting drive of a main strut and of a roof-skin retaining bow via mechanical drive members, by means of which pivoting drive of the folding top can be transferred from a stowed position retracted into a top box into a closed position, in which the roof-skin retaining bow rests on the top-box lid located in a covering position thereof. An automatically controlled lock of the main strut relative to the vehicle body in its erected end position is provided and associated with its uncoupling from the driving movement of the drive members. For locking the main strut fixedly to the vehicle body, there are catch devices which are assigned to the top columns and the catching advance of the which starts only after the erected end position of the main strut has already been reached, and the uncoupling from the driving movement of the drive members is activated via the catching advance of the catch means only when the main strut has been locked.Type: GrantFiled: September 7, 1989Date of Patent: October 1, 1991Assignee: Mercedes-Benz AGInventors: Theodor Bauer, Jurgen Schrader
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Patent number: 5045657Abstract: An actuating device for the mechanical positive actuation of a pressure-responsive switch utilizes a pivotably movable spring-loaded switch lever which, when activated by a control component movable in relation to the switch, is pivotable out of a lift-off position separate from the switch into a switch-triggering position bearing on the switch which is thereafter maintained in the bearing position. The switch lever is motionally coupled to the control component by spring force until the switch-triggering position is reached. It is possible to trigger the switch at an exact point, the switch lever is made bend-resistant and is pivotable about a joint and spring-loaded in the direction of its switch-triggering actuating advance.Type: GrantFiled: February 8, 1990Date of Patent: September 3, 1991Assignee: Daimler-Benz AGInventors: Klaus Claar, Jurgen Schrader, Josef Berger
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Patent number: 5031957Abstract: An intermediate folding top bow is fastened, via cantilevers arranged at its ends, to lateral roof-frame parts of a vehicle folding-top structure. During the opening operation of the folding-top structure, the intermediate bow is pivotable out of a tensioning position directed forwardly into a stowage position directed rearwardly. To make it possible to ensure that the intermediate bow will be stowed automatically and without being damaged, the intermediate bow is loaded during the opening of the folding top with a pivoting effect by a separate working element so that starting from its tensioning position, the intermediate bow is driven beyond a dead center between its tensioning position and its stowage position.Type: GrantFiled: June 22, 1990Date of Patent: July 16, 1991Assignee: Daimler-Benz AktiengesellschaftInventors: Klaus Claar, Jurgen Schrader, Harald Koppenstein, Martin Guckel
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Patent number: 5002330Abstract: A positively obtained fold arrangement in a folding-top covering of a folding top is controlled by a round-bending fold which extends in the direction of width of the folding-top covering and is stiffened in terms of bending transversely relative to its path. When the folding top is opened, the folding top covering is drawn into its fold form automatically under the tensile force of a tension-spring element, the tension-spring element being held at its ends at the folding-top covering on both sides of the round-bending fold. So that the fold arrangement can be stowed in a space-saving manner next to associated structure parts of the folding top, while at the same time avoiding creases, measure are provided for stiffening the round-bending fold in terms of bending reinforcing measures, thus allowing a relatively sharp bending of the round-bending fold.Type: GrantFiled: February 15, 1990Date of Patent: March 26, 1991Assignee: Daimler-Benz AGInventors: Harald Koppenstein, Jurgen Schrader
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Patent number: 4991902Abstract: The invention relates to a folding-top covering for a folding top of a vehicle, which is stretched onto a supporting folding-top structure and which comprises two releasably interconnected folding-top covering portions, arranged one behind the other along the length of the vehicle and which are joined in a plane of width of the folding top by being connected to a connecting element by a strip-shaped fastening portion. When the folding-top covering is damaged, the particular folding-top covering portion can be simple and economically exchanged. The folding-top covering is divided along a bow of the folding top and the strip-shaped fastening portion of the folding-top covering parts is clamped to the bow.Type: GrantFiled: February 8, 1990Date of Patent: February 12, 1991Assignee: Daimler-Benz AGInventors: Jurgen Schrader, Klaus Claar, Harald Koppenstein, Kurt Gramer, deceased
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Patent number: 4951981Abstract: A rotary-latch lock in which a forked rotary latch is blocked against pivoting from a position locking a closing bolt. A spring loaded detent edge of a catch member engages behind a centrally directed catch edge extending from a circumferential edge of the forked rotary latch. In order to prevent an unintentional release of the rotary-latch lock, when the latter is subjected to dynamic stress, the catch edge is a limiting edge of an approximately U-shaped catch recess into which the detent end of the catch member engages. A rear edge of the detent end is located at a distance and opposite a limiting edge of the catch recess. In the event of oscillating movements of the forked rotary latch, the limiting edge butts against the rear edge of the detent end.Type: GrantFiled: February 6, 1990Date of Patent: August 28, 1990Assignee: Daimler-Benz AGInventors: Klaus Claar, Jurgen Schrader
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Patent number: 4936626Abstract: For swivel-assistance to a roof-skin holding bow forming the lower end of a folding canopy, lateral limbs of the holding bow being affixed to associated canopy struts of a main hoop, there is provided a rod element, the length of which can be altered, which is articulated at both ends and is arranged in the side wall region of the folding canopy. Since on end of the rod element is connected to the facing lateral limb of the roof-skin holding bow and the second end of the rod element is connected in articulated fashion to the associated canopy strut, the rod element can be arranged in space-saving manner in the side board.Type: GrantFiled: March 31, 1989Date of Patent: June 26, 1990Assignee: Daimler-Benz AGInventors: Gunter Gmeiner, Christian Grabner, Klaus Claar, Jurgen Schrader, Hermann Moeller
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Patent number: 4929020Abstract: The invention relates to a strut for a folding vehicle cover which bridges the roof width by being braced axially on load bearing connecting components on both sides of the vehicle by angled strut flanks, while a strut section driven by a spring loading arrangement is raisable in the strut plane relative to the braced ends of the strut flanks into a tensioned position in which the roof skin of the folding cover is stressed by the spring loading arrangement through the strut section, and while a further vertical displacement of the strut section is locked upon reaching a limit time position located above the tensioned position.Type: GrantFiled: October 7, 1988Date of Patent: May 29, 1990Assignee: Daimler-Benz AGInventors: Jurgen Schrader, Klaus Claar
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Patent number: 4917432Abstract: The invention is concerned with a stiffening of a surface portion of a flexible roof skin of a vehicle, which comprises a reinforcing section arranged at the roof skin and matched flexurally elastically to a curve of the roof skin in the surface portion. To prevent the effect of so-called roof skin fluttering, the reinforcing section can be subjected to stress by means of a tensioning device in such a way that it can be changed from a bent position thereof to a more sharply curved tensioning position when the roof skin is closed.Type: GrantFiled: August 17, 1988Date of Patent: April 17, 1990Assignee: Daimler-Benz AGInventors: Jurgen Schrader, Klaus Claar
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Patent number: 4815775Abstract: The invention concerns a power-assisted lock for doors, hatches hoods or hard tops of vehicles and the like. In addition to a known pivotal latch and a catch for a releasable engagement with the pivotal latch there is a control disc pivotally mounted in the housing of the lock. A manual or power actuated drive means is attached to the control disc for the closing and opening operation. The pivotal latch and the control disc have a drive connection providing for limited play. The arrangement together with the catch leads to a locking of the control disc before a closing operation and an unlocking of the control disc by turning the pivotal latch during the closing operation of the lock. The pivotal latch has the usual pre-lock position.Type: GrantFiled: October 7, 1987Date of Patent: March 28, 1989Assignees: Lunke & Sohn GmbH, Daimler-Benz AGInventors: Ralf Mertin, Klaus Claar, Jan Schilling, Jurgen Schrader, Holger Seel, Helmut Staiger, Artur Mangold, Gerhard Zweigart