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18249 results about "Vehicle frame" patented technology

A vehicle frame, also known as its chassis, is the main supporting structure of a motor vehicle, to which all other components are attached, comparable to the skeleton of an organism. Until the 1930s virtually every car had a structural frame, separate from its body. This construction design is known as body-on-frame. Over time, nearly all passenger cars have migrated to unibody construction, meaning their chassis and bodywork have been integrated into one another.

Folding two wheeled vehicle

A collapsible two wheeled vehicle comprises a substantially rigid main structural frame (10) defining a head section (16), a saddle pillar mount (17) and a bottom bracket (15). A rear wheel sub-frame (22) is pivoted to the frame (10) about the bottom bracket (15), and carriers a rear wheel (23), the sub-frame (22) being arranged for movement between a folded position where the rear wheel lies within the frame, between the head section (16) and the saddle pillar mount (17), and an active position where the sub-frame projects rearwardly beyond the frame. A pedal arrangement (19, 20, 21) is journalled in the bottom bracket (15) and drives the rear wheel (23) through an endless chain (25). A front wheel carrier is journalled to the head section (16) of the frame and has an arm (30) rotatably supporting a front wheel (31), the arm (30) being pivoted to the carrier for movement between a folded position where the front wheel (31) lies adjacent the rear wheel (23) when the sub-frame is in its folded position, and an active position where the arm projects generally downwardly from the carrier. The frame (1) carriers two opposed side panels (50) which are dimensioned so that the folded rear wheel sub-frame, rear wheel, front wheel carrier, folded arm and front wheel all lie substantially wholly within the confines of the side panels, the rear and front wheels lying outside the confines of the side panels when the sub-frame and arm are in their respective active positions.

Energy management system and method for an extruded aluminum vehicle subframe

An energy management system and method for absorbing and directing kinetic energy during an impact event of a motor vehicle includes a vehicle subframe 30 attached to a vehicle chassis 20, with a pair of deformable attachment brackets 40 and 42 interposed therebetween. The deformable attachment brackets 40 and 42 are preferably fixedly attached to the subframe 30 and removably attached to the vehicle chassis 20 via fasteners 50 extending through a fastener hole 52 in each of the attachment brackets 40 and 42. A relief opening 54 is proximate to and aligned with the fastener hole 52, the relief opening 54 being larger than the fastener 50. A deformable barrier 56 disposed between the fastener hole 52 and relief opening 54 may be provided with a slot 58 extending between the fastener hole 52 and relief opening 54. Upon an impact generating an impact force above a predetermined force, the fastener 50 deforms the deformable barrier 56, whereby the deformable attachment bracket 40 and 42 is displaced longitudinally such that the fastener 50 is relocated from the fastener hole 52 into the relief opening 54. The fastener 50 slides out of the relief opening 54 and the subframe 30 drops beneath the vehicle chassis 20, whereby the subframe 30 translates longitudinally relative the vehicle chassis 20 during the crash event, safely away from the vehicle occupant compartment.
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