1. A battery for an electric vehicle, said battery comprising:
a pair of female terminals, one female terminal of the pair of female terminals being in an axial center of the battery, said one female terminal being recessed from a first end surface of the battery, and another female terminal of the pair of female terminals being disposed in a position away from the axial center, and recessed from the first end surface of the battery;
an outer peripheral surface, said outer peripheral surface including a male thread portion thereupon, wherein said male thread portion is configured to engage a female thread portion disposed on an inner peripheral surface of a battery box;
a handle portion disposed on a second end surface of the battery;
wherein the pair of female terminals are configured to be connected to a corresponding pair of male terminals disposed on a bottom surface of the battery box, and wherein the battery is configured to be detachably mounted inside the battery box by being rotated therein, whereby the male thread portion of the battery engages the female thread portion of the battery box.
2. The battery according to claim 1, wherein a first male terminal is configured to engage one of the female terminals in a biased state,
said battery further comprising a guide groove in the first end surface of the battery, said guide groove extending in a circumferential direction around the axial center, and gradually deepening as the groove approaches the other of the female terminals, said battery including a step in a region where the other of the female terminals is connected to the guide groove.
3. A battery box for receiving a cylindrical battery therein, said battery box comprising:
a cylindrical inner surface, said cylindrical inner surface comprising a female thread portion thereof, said female thread portion configured to threadedly engage with a male thread portion of a battery;
a pair of male terminals disposed in a bottom surface of the battery box, said pair of male terminals configured to engage a pair of female terminals on the battery, whereby the battery box enables detachable mounting of the battery therein by rotating the battery so as to engage or disengage the male and female thread portions.
4. A system for mounting a cylindrical battery in a vehicle, said system comprising:
a battery comprising a pair of female terminals, wherein a first female terminal of the pair of female terminals is disposed in an axial center of the battery, and is recessed from a first end surface of the battery, and a second female terminal of the pair of female terminals being disposed in a position away from the axial center of the battery, and recessed from the first end surface of the battery, said battery including an outer peripheral surface, with a male thread portion disposed thereupon;
a handle portion disposed on a second end surface of the battery;
a battery box having an inner peripheral surface thereof, said inner peripheral surface including a female thread portion which is configured to threadedly engage with the male thread portion of the battery,
said battery box including a pair of male terminals disposed on a bottom surface thereof, said pair of male terminals configured to engage and connect with the female terminals of the battery, wherein the battery is configured to be detachably mounted inside the battery box by being rotated such that the female thread portions and male thread portions are selectively engaged or disengaged.
5. The system according to claim 4, wherein a first male terminal of the pair of male terminals is configured to engage a corresponding one of the pair of female terminals, and includes a tip which is biased to engage the second female terminal, said battery including a guide groove connected to the second female terminal so as to extend in a circumferential direction around the axial center of the battery, and to become deeper as the groove approaches the second female terminal, and wherein a step is formed in a region where the second female terminal engages the guide groove.
6. The system according to 4, wherein the battery box is disposed in an electric component box of a vehicle, said system further comprising:
a controller configured to control power to be supplied from the battery to a motor;
a down regulator configured to step down the power of the battery; and
a battery management unit configured to manage charging of the battery, wherein the controller, the down regulator, and the battery management unit are disposed in the electric component box,
wherein the battery box is configured to avoid the controller, the down regulator, and the battery management unit.
7. The system according to claim 6, comprising at least two battery boxes; and
a wire disposed in a space between the at least two battery boxes, the wire electrically connecting batteries respectively housed in the at least two battery boxes.
8. The system according to claim 6, wherein the electric component box includes an openable and closable lid member including a key cylinder therein; and
wherein a projecting portion is configured to contact the battery and to restrict rotation of the battery, said projecting portion disposed on an inner surface of the lid member opposed to the second end surface of the battery.
9. The system according to claim 4, wherein the battery box is configured to be opened outward in a vehicle width direction.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-20. (canceled)
21. A bone fixation device, comprising:
a first element including a first head and a first shaft extending along a first central axis from a first end connected to the first head to a second end, the first element including a first channel extending therethrough, the first head extending transverse to the first shaft to provide a first shoulder which, in an operative configuration, rests against a portion of bone adjacent to a first hole through which the first shaft is inserted to define a maximum extent to which the first element may be inserted into the first hole, the first head including a first opening extending therethrough adjacent to the first channel;
a second element including a second head and a second shaft extending along a second central axis from a first end connected to the second end to a second end, the second element including a second channel extending therethrough, the second head extending transverse to the second shaft to provide a second shoulder which, in an operative configuration, rests against a portion of bone adjacent to a second hole through which the second shaft is inserted to define a maximum extend to which the second element may be inserted into the second hole, the second channel sized and shaped to receive the first shaft therein; and
a tensioning element insertable through the first opening and through the first and second channels, the tensioning element including a first end sized to prevent the first end from passing through the first opening so that, tension applied at a second end of the tensioning element applies a compressive force to a bone through which the first and second elements are inserted.
22. The device of claim 21, wherein the first opening extends through the first head along an axis substantially parallel to the first central longitudinal axis.
23. The device of claim 21, wherein the first opening extends through the first head at an angle smaller than 90 degrees relative to the first central longitudinal axis.
24. The device of claim 21, wherein the second head includes a second opening extending therethrough adjacent to the second channel, the second opening sized and shaped to permit the second end of the tensioning element to be passed therethrough.
25. The device of claim 24, wherein the second opening extends through the second head along an axis substantially parallel to the second central longitudinal axis.
26. The device of claim 24, wherein the second opening extends through the second head at an angle smaller than 90 degrees relative to the second central longitudinal axis.
27. The device of claim 21, wherein the first head includes a first countersunk portion.
28. The device of claim 21, wherein the second head includes a second countersunk portion.
29. A method for bone fixation, comprising:
inserting a tensioning element through a first opening extending through a first head of a first element so that an enlarged first end of the tensioning element, which is larger than the first opening, abuts a surface of the first head;
inserting a first shaft of the first element into a first hole in a bone until the first head rests against a portion of bone adjacent to the first hole, the first shaft extending along a first central axis from a first end connected to the first head to a second end, the first element including a first channel extending therethrough, the first opening extending adjacent to the first channel;
inserting a second shaft of a second element into a second hole in the bone until a portion of the first shaft is received within a second channel extending through the second element and a second head of the second element rests against a portion of bone adjacent to the second hole, the second shaft extending along a second central axis from a first end connected to the second head to a second head;
inserting a second end of the tensioning elements through the first and second channels so that the tensioning element forms a first loop adjacent the first head and the second end of the tensioning extends past the second head; and
applying tension to the tensioning element to provide a compressive force to the bone in which the first and second elements are inserted.
30. The method of claim 29, further comprising inserting the second end of the tensioning element through a second opening extending through the second head adjacent to the second channel so that the tensioning element forms a second loop adjacent the second head.
31. The method of claim 30, further comprising securing the tensioning element to the first and second elements to maintain the compressive force applies to the bone.
32. The method of claim 31, wherein securing the tensioning element includes advancing a crimp over the second end of the tensioning member and crushing the crimp adjacent the second head.
33. The method of claim 29, wherein the enlarged first end of the tensioning element is seated within a concave portion of the first head.
34. The method of claim 29, further comprising cutting a free portion of the tensioning element.
35. The method of claim 31, further comprising removing the compressive force to the bone by cutting one of the first and second loops of the tensioning element.