Clutch plate for a friction clutch of a motor vehicle having a radially elastic plastic ring
First Claim
1. In a transmission for a motor vehicle, a friction clutch, said friction clutch comprising a clutch plate, said clutch plate comprising:
- a hub;
said hub comprising a hub plate;
said hub plate comprising a first side and a second side;
a first cover plate being disposed at said first side of sand hub plate;
a second cover plate being disposed at said second side of said hub plate;
a plastic ring disposed between said hub and said first cover plate, said plastic ring comprising an inner portion and an outer portion;
said inner portion of said plastic ring being disposed at said hub;
said outer portion of said plastic ring comprising;
resilient biasing means disposed at said outer portionof said plastic ring; and
said resilient biasing means being disposed toresiliently bias said first cover plate away from said innerportion of said plastic ring;
said resilient biasing means comprising;
a plurality of radially resilient tongue meansdistributed along the circumference of said plastic ring;
said radially resilient tongue means being arc-shapedand being oriented in the circumferential direction alongsaid plastic ring;
said hub further comprising a cylindrical area;
said inner portion of said plastic ring being disposed about said cylindrical area of said hub so as to form a first clearance between said inner portion and said cylindrical area;
said first cover plate comprising a central opening, said central opening being disposed towards said outer portion of said plastic ring;
said outer portion of said plastic ring being disposed within said central opening; and
said central opening of said first cover plate and said outer portion of said plastic ring defining a second clearance therebetween.
1 Assignment
0 Petitions
Accused Products
Abstract
A friction clutch, in particular for a motor vehicle, the friction clutch comprising a clutch plate, the clutch plate comprising a hub with a hub plate and two cover plates disposed on opposite sides of the hub plate. A plastic ring is disposed on one side of the hub plate. The inner portion of the plastic ring is disposed at the hub plate, the outer portion of the plastic ring is disposed at a central opening of the first cover plate. The outer portion of the plastic ring comprises a resilient biasing member which resilient biasing member is disposed to resiliently bias the first cover plate away from the outer portion of the plastic ring.
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Citations
18 Claims
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1. In a transmission for a motor vehicle, a friction clutch, said friction clutch comprising a clutch plate, said clutch plate comprising:
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a hub; said hub comprising a hub plate; said hub plate comprising a first side and a second side; a first cover plate being disposed at said first side of sand hub plate; a second cover plate being disposed at said second side of said hub plate; a plastic ring disposed between said hub and said first cover plate, said plastic ring comprising an inner portion and an outer portion; said inner portion of said plastic ring being disposed at said hub; said outer portion of said plastic ring comprising; resilient biasing means disposed at said outer portion of said plastic ring; and said resilient biasing means being disposed to resiliently bias said first cover plate away from said inner portion of said plastic ring; said resilient biasing means comprising; a plurality of radially resilient tongue means distributed along the circumference of said plastic ring; said radially resilient tongue means being arc-shaped and being oriented in the circumferential direction along said plastic ring; said hub further comprising a cylindrical area; said inner portion of said plastic ring being disposed about said cylindrical area of said hub so as to form a first clearance between said inner portion and said cylindrical area; said first cover plate comprising a central opening, said central opening being disposed towards said outer portion of said plastic ring; said outer portion of said plastic ring being disposed within said central opening; and said central opening of said first cover plate and said outer portion of said plastic ring defining a second clearance therebetween. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of making a friction clutch for a transmission for a motor vehicle, said friction clutch comprising a clutch plate, said clutch plate comprising:
- a hub;
said hub comprising a hub plate;
said hub plate comprising a first side and a second side;
a first cover plate being disposed at said first side of said hub plate;
a second cover plate being disposed at said second side of said hub plate;
a plastic ring disposed between said hub and said first cover plate, said plastic ring comprising an inner ..portion and an outer portion;
said inner portion of said plastic ring being disposed at said hub;
said outer portion of said plastic ring comprising;
resilient biasing means disposed at said outer portion of said .plastic ring;
said resilient biasing means being disposed to resiliently bias said first cover plate away from said inner portion of said plastic ring;
said method comprising;providing a hub; configuring said hub to comprise a hub plate, said hub plate comprising a first side and a second side; providing a first cover plate being disposed at said first side of said hub plate; providing a second cover plate being disposed at said second side of said hub plate; providing a plastic ring; disposing said plastic ring between said hub and said first cover plate; configuring said plastic ring to comprise an inner portion and an outer portion; disposing said inner portion of said .plastic ring at said hub; configuring said outer portion of said plastic ring to comprise a resilient biasing means disposed at said outer .portion of said plastic ring; disposing said resilient biasing means to resiliently bias said first cover plate away from said inner portion of said plastic ring;
to produce a clutch plate;said providing of said biasing means comprises; providing a plurality of radially resilient tongue means distributed along the circumference of said plastic ring; configuring each said radially resilient tongue means to have an arc-shape; orienting said radially resilient tongue means in the circumferential direction along said plastic ring; said providing of said hub comprises; providing a cylindrical area on an inner surface of said hub; disposing said inner portion of said plastic ring about said cylindrical area of said hub so as to form a first clearance between said inner portion and said cylindrical area of said hub; said providing of said first cover plate comprises; providing a central opening in said first cover plate; disposing said central opening of said first cover plate towards said outer portion of said plastic ring; disposing said outer portion of said plastic ring within said central opening; and providing a second clearance defined between said central opening of said first cover plate and said outer portion of said plastic ring. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
- a hub;
Specification