1. A surgical device comprising:
a jaw portion having a first jaw and a second jaw;
a shaft assembly coupled to a proximal end of the jaw portion, the shaft assembly defining a longitudinal axis;
a handle assembly supporting the jaw assembly; and
a drive assembly supported in the handle assembly, the drive assembly being configured to apply a plurality of control motions to the shaft assembly;
wherein the drive assembly includes a gear train operably communicating with a firing input bevel gear for actuating at least one gear of the gear train to transversely communicate with at least one other gear of the gear train; and
wherein the gear train includes a first bevel gear and a second bevel gear, the first and second bevel gears being coaxial with the longitudinal axis defined by the shaft assembly.
2. The surgical device according to claim 1, wherein the gear train further includes a first articulation gear, a portion of the first articulation gear being disposed between the first and second bevel gears.
3. The surgical device according to claim 2, wherein the first articulation gear is transverse to the first and second bevel gears.
4. The surgical device according to claim 3, wherein the first articulation gear operably communicates with a second articulation gear, the first and second articulation gears disposed in a coaxial relationship.
5. The surgical device according to claim 1, wherein the first and second bevel gears are idler gears.
6. The surgical device according to claim 1, wherein the first and second bevel gears are transverse to the firing input bevel gear.
7. The surgical device according to claim 1, wherein the first and second bevel gears are transverse to an articulation shaft disposed through the shaft assembly.
8. The surgical device according to claim 1, wherein the gear train includes a bevelspur gear component.
9. The surgical device according to claim 8, wherein the bevelspur gear component is transverse with at least one of the first or second bevel gears.
10. The surgical device according to claim 1, wherein the first and second bevel gears define a pivot axis therethrough.
11. The surgical device according to claim 10, wherein the pivot axis is perpendicular to the longitudinal axis defined by the shaft assembly.
12. A surgical device comprising:
a jaw portion;
a shaft assembly coupled to the jaw portion, the shaft assembly defining a longitudinal axis therethrough;
a handle assembly supporting the shaft assembly; and
a drive assembly supported in the handle assembly, the drive assembly mechanically cooperating with the shaft assembly, the drive assembly including a first gear arrangement transversely engaging a second gear arrangement;
wherein the first gear arrangement includes a first bevel gear and the second gear arrangement includes a second bevel gear, the first and second bevel gears being coaxial with the longitudinal axis defined by the shaft assembly.
13. The surgical device according to claim 12, wherein the second gear arrangement operably communicates with a first articulation gear, a portion of the first articulation gear disposed between the first and second bevel gears.
14. The surgical device according to claim 13, wherein the second gear arrangement operably communicates with a second articulation gear meshingly engaged with the first articulation gear, the first and second articulation gears disposed in a coaxial relationship.
15. The surgical device according to claim 12, wherein the first and second bevel gears are idler gears.
16. The surgical device according to claim 12, wherein the first and second bevel gears are transverse to a firing input bevel gear operably communicating with the drive assembly.
17. The surgical device according to claim 12, wherein the first and second bevel gears are transverse to an articulation shaft disposed through the shaft assembly.
18. The surgical device according to claim 12, further comprising a third gear arrangement, the third gear arrangement including at least a bevelspur gear component.
19. The surgical device according to claim 18, wherein the bevelspur gear component is transverse with at least one of the first or second bevel gears of the first gear arrangement.
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 transmission apparatus for an electric vehicle, comprising:
an input shaft receiving torque from a power source;
an output shaft disposed in parallel with the input shaft;
a first driving gear disposed on the input shaft to freely rotate;
a second driving gear disposed on the input shaft to freely rotate;
a first driven gear disposed on the output shaft to rotate integrally with the output shaft and generating a first transmission gear ratio by engaging with the first driving gear;
a second driven gear disposed on the output shaft to rotate integrally with the output shaft and generating a second transmission gear ratio by engaging with the second driving gear;
a first clutch member changing connection of the first driving gear or the second driving gear to the input shaft;
a second clutch member changing connection of the first driving gear to the input shaft; and
a third clutch member changing connection of the second driving gear to the input shaft.
2. The transmission apparatus of claim 1, wherein the first clutch unit is a dog clutch configured for not consuming power with the first driving gear or the second driving gear connected to the input shaft.
3. The transmission apparatus of claim 2, wherein the second clutch unit is a conical clutch a contact surface for transmitting power of which is formed in a conical shape.
4. The transmission apparatus of claim 3, wherein the conical clutch includes:
a male cone laterally protruding from the first driving gear and having a conical outer surface; and
a female cone configured to be disposed at and slide along the input shaft and having a conical inner surface to come in contact with the conical outer surface of the male cone.
5. The transmission apparatus of claim 2, wherein the third clutch member is a dry-disc friction clutch.