1. A straddle type vehicle comprising:
a drive power source for generating driving force;
a shift shaft rotated by the driving force of the drive power source;
a power transmitting mechanism connecting the shift shaft to a clutch and to a shifter, the power transmitting mechanism adapted to move the clutch between an engaged position and a disengaged position, the power transmitting mechanism also adapted to cause movement of the shifter in a shift operation when a shift stage is changed;
the clutch being connected to an engine;
an engine speed detecting device adapted to detect an engine speed of the engine; and
an engine control device adapted to controlling an output of the engine;
wherein the engine control device, when a detected engine speed reaches or exceeds a preset value in an up-shift operation, executes an engine output reducing process in which an output of the engine is reduced to be less than an output given when the detected engine speed does not reach the preset value.
2. The straddle type vehicle according to claim 1, wherein the engine comprises a combustion chamber in which fuel is supplied and an ignition device disposed in the combustion chamber and adapted to ignite fuel in the combustion chamber, the engine output reducing process being adapted to inhibit one or more ignition cycles of the ignition device.
3. The straddle type vehicle according to claim 1, wherein the engine control device is adapted to be capable of performing a normal output control that controls the ignition device to ignite every preset cycle, and the engine output reducing process is adapted to prohibit ignition of the ignition device in at least one cycle.
4. The straddle type vehicle according to claim 1, wherein the engine control device executes an engine output recovering process adapted to gradually increase the output of the engine after executing the engine output reducing process.
5. The straddle type vehicle according to claim 4, wherein the engine comprises a combustion chamber in which fuel is supplied and an ignition device that is adapted to ignite fuel in the combustion chamber, and the engine output reducing process is a process adapted to inhibit ignition by the ignition device, and the engine output recovering process is a process adapted to recover ignition by the ignition device step by step.
6. The straddle type vehicle according to claim 1, wherein:
the engine control device is constructed to be capable of performing a normal output control that controls the ignition device to make the igniting operation every preset cycle,
the engine output reducing process is a process for prohibiting the ignition device from making the igniting operation in m cycles of n cycles where n is greater than 2, and
the engine output recovering process is a process for decreasing the number of the ignition operation prohibiting times of the ignition device in the n cycles from the m times to zero times.
7. The straddle type vehicle according to claim 1, wherein
the shifter is a gear type shifter having a plurality of shiftable gears, and
an execution time of the engine output reducing process is set every gearshift stage toward which an up-shift operation of the shifter is made.
8. The straddle type vehicle according to claim 1, wherein the execution time of the engine output reducing process is longer as a gearshift stage toward which the gearshift of the shifter is made is lower.
9. A method for using a single actuator to control clutch movement and shifting movement, the method comprising:
rotating a shaft in a first direction to disengage a clutch;
further rotating the shaft in the first direction to move a shifter from a first position to a second position;
rotating the shaft in a second direction to engage the clutch; and
reducing an engine speed of an engine connected to the clutch, wherein the engine speed is reduced to a speed lower than a predetermined engine speed before the clutch is fully reengaged.
10. The method of claim 9 further comprising detecting the engine speed prior to reducing the engine speed and reducing the engine speed only if the detected engine speed is equal to or higher than the predetermined engine speed.
11. The method of claim 9 further comprising recovering the engine speed gradually after the clutch is engaged.
12. The method of claim 9, wherein the engine comprises an internal combustion engine.
13. The method of claim 12, wherein the internal combustion engine comprises an ignition source and reducing the engine speed comprises inhibiting one or more ignitions of the ignition source.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A keyboard comprising:
a first keyboard segment, the first keyboard segment including keys;
a second keyboard segment, the second keyboard segment including keys;
a joint coupling the first keyboard segment and the second keyboard segment, the joint including a socket and a ball retained therein and allowing the first keyboard segment and the second keyboard segment to pivot relative to one another; and
a locking mechanism, the locking mechanism locking the joint and thereby restricting the pivoting of the first keyboard segment relative to the second keyboard segment, wherein the socket retains the ball in both locked and unlocked positions of the locking mechanism, the ball being affixed to one of the keyboard segments.
2. The keyboard of claim 1, wherein:
the first keyboard segment contains a recess and the locking mechanism includes a lever, the lever positioned either in or out of the recess in the first keyboard segment when the pivoting of the first keyboard segment and the second keyboard segment is either locked or unlocked by the locking mechanism.
3. The keyboard of claim 2, wherein:
the lever is pivotally mounted on a pin mounted in the first keyboard segment or the second keyboard segment.
4. The keyboard of claim 1, wherein:
the locking mechanism includes a bearing element and a cam, the cam being connected to the bearing element, movement of the cam causing movement of the bearing element.
5. The keyboard of claim 4, wherein:
the bearing element engaging the ball in a locked position to lock the first segment relative to the second segment.
6. The keyboard of claim 1, wherein:
the joint is a ball-and-socket joint.
7. The keyboard of claim 2, wherein:
the locking mechanism includes a biasing element and a cam, the biasing element biasing the cam and lever.
8. The keyboard of claim 1, wherein:
the ball is spherical.
9. The keyboard of claim 1, wherein:
the ball is hemispherical.
10. The keyboard of claim 1, wherein:
the socket element is affixed to one of the keyboard segments.
11. The keyboard of claim 1, wherein the locking mechanism further comprises:
a cam, operable to frictionally engage the ball and socket.
12. The keyboard of claim 1, wherein:
the locking mechanism includes a clutch.
13. The keyboard of claim 12, wherein:
the movable bearing element has a hemispherical surface.
14. The keyboard of claim 1, wherein:
the first keyboard segment and the second keyboard segment are positionable relative to one another to reduce pronation of a user’s wrists.
15. The keyboard of claim 1, wherein:
the first keyboard segment and the second keyboard segment are positionable relative to one another to reduce ulnar deviation of a user’s wrists.
16. The keyboard of claim 1, wherein:
the joint is adapted to allow pivoting of the first keyboard segment and the second keyboard segment in both horizontal and vertical directions.
17. A keyboard comprising:
a first keyboard segment, the first keyboard segment including keys;
a second keyboard segment, the second keyboard segment including keys;
a third keyboard segment, the third keyboard segment including keys;
a hinge coupling the second keyboard segment and the third keyboard segment;
a joint coupling the first keyboard segment and the second keyboard segment, the joint including a socket and a ball retained therein and allowing the first keyboard segment and the second keyboard segment to pivot relative to one another; and
a locking mechanism, the locking mechanism locking the joint and thereby restricting the pivoting of the first keyboard segment relative to the second keyboard segment, the locking mechanism including a lever movable from a locking position to an unlocking position wherein the socket retains the ball in both locked and unlocked positions of the locking mechanism, the ball being affixed to one of the keyboard segments.
18. The keyboard of claim 17, wherein:
the locking mechanism includes a bearing element and a cam, the cam being connected to the bearing element, movement of the cam causing movement of the bearing element.
19. The keyboard of claim 17, wherein:
the joint includes a bearing element, the bearing element engaging the ball in the locked position to lock the first segment relative to the second segment.
20. The keyboard of claim 17, wherein:
the joint is a ball-and-socket joint.
21. The keyboard of claim 18, wherein:
the locking mechanism includes a biasing element, the biasing element biasing the cam and lever.
22. The keyboard of claim 17, wherein:
the ball is spherical.
23. The keyboard of claim 17, wherein:
the ball is hemispherical.
24. The keyboard of claim 17, wherein:
the socket element is affixed to one of the keyboard segments.
25. The keyboard of claim 17, wherein the locking mechanism further comprises:
a cam, operable to frictionally engage the ball and socket.
26. The keyboard of claim 17, wherein:
the locking mechanism includes a movable bearing element.
27. The keyboard of claim 26, wherein:
the movable bearing element has a hemispherical surface.
28. The keyboard of claim 17, wherein:
the first keyboard segment and the second keyboard segment are positionable relative to one another to reduce pronation of a user’s wrists.
29. The keyboard of claim 17, wherein:
the first keyboard segment and the second keyboard segment are positionable relative to one another to reduce ulnar deviation of a user’s wrists.
30. The keyboard of claim 17, wherein:
the joint is adapted to allow pivoting of the first keyboard segment and the second keyboard segment in both horizontal and vertical directions.
31. A keyboard comprising:
a first keyboard segment, the first keyboard segment including keys;
a second keyboard segment, the second keyboard segment including keys; and
a joint coupling the first keyboard segment and the second keyboard segment, the joint including a socket and a ball retained therein and allowing the first keyboard segment and the second keyboard segment to pivot relative to one another; and
a locking mechanism, the locking mechanism locking the joint and thereby restricting the pivoting of the first keyboard segment relative to the second keyboard segment, wherein the socket retains the ball in both locked and unlocked positions of the locking mechanism, the ball being affixed to one of the keyboard segments,
the ball and socket being frictionally coupled when the locking mechanism is in a locked position, the ball and socket being urged towards one another when the locking mechanism is in a locked position the socket maintaining substantially the same shape when the locking mechanism is in either a locked or unlocked position.
32. The keyboard of claim 31, wherein:
the locking mechanism includes a movable bearing element, the movable bearing element having a hemispherical surface.
33. The keyboard of claim 32, wherein:
the locking mechanism includes a lever movable from a locking position to an unlocking position.
34. The keyboard of claim 31, wherein:
the locking mechanism includes a cam.
35. The keyboard of claim 34, wherein:
the locking mechanism includes a movable bearing element, and a cam, the cam connected to the bearing element, movement of the cam causing movement of the bearing element.
36. The keyboard of claim 31, wherein:
the locking mechanism includes a movable bearing element, the bearing element engaging the ball in a locked position to lock the first segment relative to the second segment.
37. The keyboard of claim 31, wherein:
the joint is a ball-and-socket joint.
38. The keyboard of claim 31, wherein:
the locking mechanism includes a biasing element.
39. The keyboard of claim 31, wherein:
the ball is spherical.
40. The keyboard of claim 31, wherein:
the ball is hemispherical.
41. The keyboard of claim 31, wherein:
the socket element is affixed to one of the keyboard segments.
42. The keyboard of claim 31, wherein:
the first keyboard segment and the second keyboard segment are positionable relative to one another to reduce pronation of a user’s wrists.
43. The keyboard of claim 31, wherein:
the first keyboard segment and the second keyboard segment are positionable relative to one another to reduce ulnar deviation of a user’s wrists.
44. The keyboard of claim 31, wherein:
the joint is adapted to allow pivoting of the first keyboard segment and the second keyboard segment in both horizontal and vertical directions.
45. A method of adjusting a keyboard having first and second segments coupled by a joint, comprising:
providing a locking mechanism including a user-operable lever the lever sized to fit at least partially in a recess in one of the segments when the lever is in a locked position to allow a user to rain access to the lever;
unlocking the locking mechanism by pivoting the lever away from the recess;
moving the first and second segments in at least one plane; and
locking the locking mechanism by pivoting the lever to thereby lock a position of the
first keyboard segment relative to the second keyboard segment.
46. The method of claim 45, wherein:
the first and second segments are moved in two planes.