Resources Contact Us Home
Range shift arrangement for four-wheel drive vehicles

Image Number 4 for United States Patent #5346442.

A synchronized shift arrangement is disclosed for shifting a planetary-type gear reduction assembly from a low-range operating mode to a high-range operating mode. This arrangement is particularly adapted for use in vehicular power transfer devices, such as four-wheel drive transfer cases, for allowing the vehicle operator to shift "on-the-fly" from a four-wheel low-range drive mode to a four-wheel high-range drive mode without the need of stopping the motor vehicle. In a preferred embodiment, the power transfer apparatus includes a housing, a first member supported for rotation in the housing, a second member supported in the housing for rotation relative to the first member, a planetary gear assembly coupled to the first member for rotatably driving an output member thereof at a reduced ratio relative to the first member, and a clutch sleeve supported for rotation with the second member and which is movable between a first position for coupling the second member to the output member of the planetary gear assembly for rotatably driving the second member at the reduced ratio, and a second position for coupling the second member for rotation with the first member. The power transfer apparatus further includes a synchronizer for causing speed synchronization between the first and second members in response to movement of the clutch sleeve from the first position to said second position.

  Recently Added Patents
Homeotropic and hybrid bulk alignment of lyotropic chromonic liquid crystals
Coordinate calculation apparatus and storage medium having coordinate calculation program stored therein
Digital driving circuits, methods and systems for liquid crystal display devices
Circuit for communication over DC power line using high temperature electronics
Discovering and interacting with service providers
Electronic device
Telephone relaying apparatus, telephone relaying method, and program
  Randomly Featured Patents
Methods and apparatus to detect an operating state of a display based on visible light
Flaw detection apparatus and method for tubes
Detection of defects in conveyor belts
Disc-type recording medium transfer mechanism
Treatment of body tissue by means of internal cavity resonance
Method, system and gateway allowing secured end-to-end access to WAP services
Method and apparatus for processing electronic messages
Method for preventing photoresist poisoning
Invert former for manhole base section