Drive device
First Claim
1. An electronically driven locking device for electronically engaging and disengaging a locking element of a motor vehicle, wherein the locking device is coupled toactuating means having a motor and a worm gear, said motor arranged to drive said worm gear and generate kinetic energy resulting in application of a torque to said locking device, said locking device comprising:
- a gear wheel comprising a gear ring, a hub, an elastic intermediate element and a central axis upon which the gear ring, hub and elastic intermediate element are arranged,wherein each one of said gear ring, hub and elastic intermediate element has a lateral side that is substantially perpendicular to said central axis,wherein said gear ring and hub are joined together by said elastic intermediate element and via a material to material bond, so that the intermediate element is sandwiched between a lateral side of the gear ring and a lateral side of the hub,wherein said gear ring and hub each comprise circumferential teeth, said gear ring teeth being arranged to engage said worm gear such that force from said worm gear is imparted upon said gear ring; and
a control disk comprising circumferential teeth arranged to interact with said hub teeth such that rotational force may be exchanged between said control disk and hub, said control disk mechanically linked to said locking element such that said torque is absorbed by said intermediate element.
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Accused Products
Abstract
The present invention is electronically driven locking device for a locking element of a motor vehicle. The device has a motor, a gear wheel including a gear ring, a hub, and an elastic intermediate element, and a control disk. The motor is linked to the gear ring via a worm gear which is arranged to turn the gear. The control disk is linked to the locking element such that when the gear ring is turned, the hub is turned via the intermediate element which in turn engages the locking element to close or open. The intermediate element is arranged to absorb kinetic energy in the device.
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Citations
10 Claims
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1. An electronically driven locking device for electronically engaging and disengaging a locking element of a motor vehicle, wherein the locking device is coupled to
actuating means having a motor and a worm gear, said motor arranged to drive said worm gear and generate kinetic energy resulting in application of a torque to said locking device, said locking device comprising: -
a gear wheel comprising a gear ring, a hub, an elastic intermediate element and a central axis upon which the gear ring, hub and elastic intermediate element are arranged, wherein each one of said gear ring, hub and elastic intermediate element has a lateral side that is substantially perpendicular to said central axis, wherein said gear ring and hub are joined together by said elastic intermediate element and via a material to material bond, so that the intermediate element is sandwiched between a lateral side of the gear ring and a lateral side of the hub, wherein said gear ring and hub each comprise circumferential teeth, said gear ring teeth being arranged to engage said worm gear such that force from said worm gear is imparted upon said gear ring; and a control disk comprising circumferential teeth arranged to interact with said hub teeth such that rotational force may be exchanged between said control disk and hub, said control disk mechanically linked to said locking element such that said torque is absorbed by said intermediate element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification