An actuator coupling mechanism (ACM) for an actuator of the type that can be employed in a drive module. The ACM has first and second portions that are coupled in an axial direction by dropping one portion into the other portion such that mating features on the two portions engage one another in a t
An actuator coupling mechanism (ACM) for an actuator of the type that can be employed in a drive module. The ACM has first and second portions that are coupled in an axial direction by dropping one portion into the other portion such that mating features on the two portions engage one another in a tool-less manner.
대표청구항▼
1. A drive module comprising: a motor;a transmission and differential assembly driven by the motor, the transmission and differential assembly having a transmission and a differential, the differential having a differential case, a first differential output and a second differential output; anda mod
1. A drive module comprising: a motor;a transmission and differential assembly driven by the motor, the transmission and differential assembly having a transmission and a differential, the differential having a differential case, a first differential output and a second differential output; anda mode actuator having a shift element, a linear motor and an actuator coupling mechanism, the shift element being translatable between a first position, which causes the transmission and differential assembly to operate in a first mode in which at least one of the first output member, the second output member and the differential case is driven by the motor, and a second position, which causes the transmission and differential assembly to operate in a second, different mode, the actuator coupling mechanism being a linkage between the shift element and the linear motor, the actuator coupling mechanism comprising a drive lug extending into a U-shaped recess formed in an end of a first rod, the U-shaped recess extending through a radially outermost surface of the first rod, and a second rod having a circumferentially extending groove formed therein, the second rod being received into the U-shaped recess such that the drive lug is received into the circumferentially extending groove to thereby couple the second rod to the first rod for common axial movement and such that the second rod is translatable in the U-shaped recess in a direction that is transverse to a longitudinal axis of the first rod. 2. The drive module of claim 1, wherein the drive lug comprises a rib having a pair of first walls that are spaced apart from one another. 3. The drive module of claim 2, wherein the groove defines a pair of second walls, each of the first walls abutting an associated one of the second walls. 4. The drive module of claim 1, wherein the linear motor comprises a solenoid. 5. The drive module of claim 1, wherein the shift element comprises a sleeve. 6. The drive module of claim 5, wherein a shift fork is engaged to the sleeve and wherein the actuator coupling mechanism is disposed between the shift fork and the output of the linear motor. 7. The drive module of claim 1, wherein the U-shaped recess extends axially through a terminal end of the first rod. 8. A drive module comprising: a motor;a transmission and differential assembly driven by the motor and comprises a transmission and a differential, the differential having a differential case, a first differential output and a second differential output; anda mode actuator having a shift element, a linear motor and an actuator coupling mechanism, the shift element being translatable between a first position, which causes the transmission and differential assembly to operate in a first mode in which at least one of the first output member, the second output member and the differential case is driven by the motor, and a second position, which causes the transmission and differential assembly to operate in a second, different mode, the actuator coupling mechanism having a first portion and a second portion, one of the first and second portions is coupled to the shift element for axial translation therewith, and the other one of the first and second portions is coupled to an output of the linear motor for axial translation therewith, wherein the first portion defines an aperture into which the second portion is received, the aperture extending through a radially outermost surface of the first portion, and wherein the actuator coupling mechanism further comprises a pair of mating drive lugs that permits the second portion to be translated radially inward, relative to the radially outermost surface, into the aperture of the first portion to thereby couple the shift element to the output of the linear motor in a tool-less manner. 9. The drive module of claim 8, wherein the mating drive lugs comprise a first drive lug and a second drive lug, wherein the first drive lug comprises a rib that is disposed partly about an axis along which the output of the linear motor translates. 10. The drive module of claim 9, wherein the second drive lug is defined by a groove into which the rib of the first drive lug is received. 11. The drive module of claim 10, wherein the groove extends about an entire circumference of the second drive lug. 12. The drive module of claim 8, wherein the shift element is a sleeve. 13. The drive module of claim 12, wherein a shift fork is engaged to the sleeve and wherein the actuator coupling mechanism is disposed between the shift fork and the output of the linear motor. 14. The drive module of claim 8, wherein the aperture extends axially through a terminal end of the first portion, wherein when the second portion is translated radially inward, relative to the radially outermost surface, into the aperture, the second portion also extends axially through the terminal end. 15. An actuator comprising: a shift element that is translatable along a translation axis between a first position and a second position;a linear motor having an output; andan actuator coupling mechanism having a first portion and a second portion, one of the first and second portions is coupled to the shift element for translation therewith, and the other of the first and second portions is coupled to an output of the linear motor for translation therewith, wherein the first portion defines a recess into which the second portion is received by translation of the second portion in a direction that is transverse to the translation axis, the recess extending along the translation axis, and wherein the actuator coupling mechanism further comprises a pair of mating drive lugs that permit the second portion to be translated in the direction that is transverse to the translation axis and into the recess of the first portion to thereby couple the shift element to the output of the linear motor in a tool-less manner. 16. The actuator of claim 15, wherein the mating drive lugs comprise a first drive lug and a second drive lug, wherein the first drive lug comprises a rib that is disposed partly about an axis along which the output of the linear motor translates. 17. The actuator of claim 16, wherein the second drive lug is defined by a groove into which the rib of the first drive lug is received. 18. The actuator of claim 15, wherein the shift element comprises a shift rod. 19. The actuator of claim 18, wherein a shift fork is coupled to the shift rod for translation therewith. 20. The actuator of claim 15, wherein the recess extends axially through a terminal end of the first portion, wherein when the second portion is translated into the recess in the direction that is transverse to the translation axis, the second portion also extends axially through the terminal end.
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이 특허에 인용된 특허 (5)
Olszewski, Jan Donat, Arrangement and method for connecting an accessory part to an operating table.
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