Transmission joint including a damping of load reversals in particular for vehicles
AssigneeGlaenzer Spicer
InventorMichel Orain
Life of this patent
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Abstract
A tripod element (18) trasmits by its arms (31) circumferential forces (F) to a female member--or bowl--through cups (20) and rolling needles. On the unloaded side of each arm, a clearance is produced between the arm and the corresponding support surface (24) of the bowl. Springs (16) act on the cups (20, 21) in such manner that this clearance is established between the complementary spherical surfaces of the arm and cup. The reserve of oil which is created therein will act as a shock absorber or damper in the case of reversal of the direction of the torque (C). Use in the elimination of shocks created by the reversal of the load on the joint.
Claims10
A transmission joint, in particular for transmitting power to a wheel of an automobile vehicle, said joint comprising a first member having an axis of rotation and arms radially extending from the first member, a second member having an axis of rotation and two support regions for each radial arm of the first member, a transfer element interposed between each support region and the respective arm which transfer element is at least indirectly rollingly mounted on one of said members, each transfer element having a substantially rigid surface and the other of said members having substantially rigid surfaces which are each complementary to said substantially rigid surface of a respective transfer element, said substantially rigid complementary surfaces being, in operation of said joint, in mutual sliding contact of an oscillating type, and elastically yieldable means associated with each transfer element for biasing the respective transfer element in a direction tending to move apart said complementary surfaces.
Dependencies are inferred from the claim text.