Driving device for robot cleaner
First Claim
1. A driving device of a robot cleaner comprising:
- a robot cleaner body;
a pair of motors disposed in the robot cleaner body and driven by respective power supplies;
a pair of driving wheels rotating by the pair of motors;
a pair of driven wheels following the pair of driving wheels;
a driving force transmitting means causing the driving wheels and the driven wheels to move in association with each other;
a frame unit disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels; and
a shock-absorbing unit disposed in the frame unit to absorb shock occurring from a cleaning surface, the shock-absorbing unit comprising;
an upper supporting member,a lower supporting member corresponding to the upper supporting member, andan elastic member disposed between the upper supporting member and the lower supporting member;
wherein the shock-absorbing unit further comprises a unit shaft penetrating through the upper supporting member, the elastic member, and the lower supporting member.
1 Assignment
0 Petitions
Accused Products
Abstract
A driving device of a robot cleaner with a shock-absorbing unit. The driving device includes a robot cleaner body and a pair of motors disposed in the robot cleaner body which are driven by respective power supplies. The driving device also includes a pair of driving wheels rotated by the pair of motors, a pair of driven wheels following the pair of driving wheels, and a driving force transmitting means which causes the driving wheels and the driven wheels to move in association with each other. A frame unit is disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels, and a shock-absorbing unit is disposed in the frame unit to absorb shock that occurs from a cleaning surface.
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Citations
12 Claims
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1. A driving device of a robot cleaner comprising:
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a robot cleaner body; a pair of motors disposed in the robot cleaner body and driven by respective power supplies; a pair of driving wheels rotating by the pair of motors; a pair of driven wheels following the pair of driving wheels; a driving force transmitting means causing the driving wheels and the driven wheels to move in association with each other; a frame unit disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels; and a shock-absorbing unit disposed in the frame unit to absorb shock occurring from a cleaning surface, the shock-absorbing unit comprising; an upper supporting member, a lower supporting member corresponding to the upper supporting member, and an elastic member disposed between the upper supporting member and the lower supporting member; wherein the shock-absorbing unit further comprises a unit shaft penetrating through the upper supporting member, the elastic member, and the lower supporting member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A driving device of a robot cleaner comprising:
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a robot cleaner body; a pair of motors disposed in the robot cleaner body and driven by respective power supplies; a pair of driving wheels rotating by the pair of motors; a pair of driven wheels following the pair of driving wheels; a driving force transmitting means causing the driving wheels and the driven wheels to move in association with each other; a frame unit disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels; and a shock-absorbing unit disposed in the frame unit to absorb shock occurring from a cleaning surface; wherein the frame unit comprises; an upper cover; a first lower cover disposed at the upper cover; and a second lower cover connected to the first lower cover and disposed at the upper cover; and wherein the upper cover further comprises a supporting member for supporting the shock-absorbing unit, and an opening is formed in the supporting member.
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10. A driving device of a robot cleaner comprising:
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a robot cleaner body; a pair of motors disposed in the robot cleaner body and driven by respective power supplies; a pair of driving wheels rotating by the pair of motors; a pair of driven wheels following the pair of driving wheels; a driving force transmitting means causing the driving wheels and the driven wheels to move in association with each other; a frame unit disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels; and a shock-absorbing unit disposed in the frame unit to absorb shock occurring from a cleaning surface; wherein the frame unit comprises; an upper cover; a first lower cover disposed at the upper cover; and a second lower cover connected to the first lower cover and disposed at the upper cover; and wherein the first lower cover has a protrusion formed in a side thereof, and the upper cover has a recess formed therein to allow the protrusion to pivot therein about an axis of the driving wheels. - View Dependent Claims (11)
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12. A driving device of a robot cleaner comprising:
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a robot cleaner body; a pair of motors disposed in the robot cleaner body and driven by respective power supplies; a pair of driving wheels rotating by the pair of motors; a pair of driven wheels following the pair of driving wheels; a driving force transmitting means causing the driving wheels and the driven wheels to move in association with each other; a frame unit disposed in the robot cleaner body to support the pair of driving wheels and the pair of driven wheels; and a shock-absorbing unit disposed in the frame unit to absorb shock occurring from a cleaning surface; wherein the frame unit comprises; an upper cover; a first lower cover disposed at the upper cover; and a second lower cover connected to the first lower cover and disposed at the upper cover; and wherein the shock-absorbing unit is disposed between the upper cover and the first and the second lower cover and pivots about the axis of the driving wheels together with the driven wheels according a condition of the cleaning surface.
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Specification