An underwater cleaning apparatus includes a front body having a filter and a rear body removably attachable to the front body. The rear body includes a motor having a shaft, an impeller configured to draw in water through an inlet opening in the front body, and a gap. The impeller is positioned in t
An underwater cleaning apparatus includes a front body having a filter and a rear body removably attachable to the front body. The rear body includes a motor having a shaft, an impeller configured to draw in water through an inlet opening in the front body, and a gap. The impeller is positioned in the gap in the rear body. A lock is configured to secure the rear body to the front body. A battery is configured to supply electrical power to the motor to drive the shaft and a power switch is configured to control the supply of electrical power to the motor.
대표청구항▼
1. An underwater cleaning apparatus comprising: a front body having a filter;a rear body removably attachable to the front body, the rear body comprising a motor having a shaft, an impeller configured to draw in water through an inlet opening in the front body, and a gap, the impeller being position
1. An underwater cleaning apparatus comprising: a front body having a filter;a rear body removably attachable to the front body, the rear body comprising a motor having a shaft, an impeller configured to draw in water through an inlet opening in the front body, and a gap, the impeller being positioned in the gap in the rear body;a lock configured to secure the rear body to the front body;a battery configured to supply electrical power to the motor to drive the shaft; anda power switch configured to control the supply of electrical power to the motor,wherein the filter comprises a base having a y-shaped support rib at a proximal end. 2. The underwater cleaning apparatus according to claim 1, the front body comprising: a cone-shaped housing having a first end configured to engage the rear body and a second end including the inlet opening, at least a part of the cone-shaped housing extending over at least a part of the gap in the rear body. 3. The underwater cleaning apparatus according to claim 2, further comprising: a ribbed structure within the cone-shaped housing adapted to support a material configured to filter particulate from the water. 4. The underwater cleaning apparatus according to claim 3, further comprising: a drain channel configured to guide water filtered by the filter to a drain opening at a front end of the front body. 5. The underwater cleaning apparatus according to claim 3, further comprising: a plug at a front end of the front body, the plug held in a closed position during a driving operation of the impeller by the motor via a suction force created by rotation of the impeller, and movable to an open position when the impeller is idle; anda housing with which the plug is moveably retained. 6. The underwater cleaning apparatus according to claim 3, wherein the ribbed structure is removably attachable to the cone-shaped housing. 7. The underwater cleaning apparatus according to claim 2, further comprising a slot opening in the cone-shaped housing to discharge water that passes through the gap in the rear body. 8. The underwater cleaning apparatus according to claim 7, wherein the slot and the gap are coaxially aligned to facilitate the flow of the water through the gap and through the slot. 9. The underwater cleaning apparatus according to claim 1, wherein the gap is formed by a main chamber portion spaced apart from a plate. 10. The underwater cleaning apparatus according to claim 1, the rear body further comprising: a sealing plate circumferentially adjacent to the impeller, the sealing plate comprising: a hole to allow a suction force generated by the impeller to extend therethrough; anda notch configured to accommodate a flexible ring configured to create a sealed watertight cavity between the rear body and the front body. 11. The underwater cleaning apparatus according to claim 1, wherein the inlet opening of the front body is configured to receive a cleaning attachment. 12. The underwater cleaning apparatus according to claim 1, wherein the rear body comprises a double wall hull. 13. The underwater cleaning apparatus according to claim 1, wherein the lock comprises a circumferential channel on one of the rear body and the front body configured to engage a surface on the other of the rear body and the front body, in order to secure the rear body to the front body when the circumferential channel and the surface are aligned and one of the rear body and the front body are rotated with respect to the other of the rear body and the front body. 14. The underwater cleaning apparatus according to claim 1, wherein the lock comprises an engagement surface on one of the rear body and the front body configured to engage an engagement receiving surface on the other of the rear body and the front body when the engagement surface on one of the rear body and the front body is rotated with respect to the engagement receiving surface on the other of the rear body and the front body. 15. An underwater cleaning apparatus comprising: a front body having a filter;a rear body removably attachable to the front body, the rear body comprising a motor having a shaft, an impeller configured to draw in water through an inlet opening in the front body, and a gap, the impeller being positioned in the gap in the rear body;a lock configured to secure the rear body to the front body;a battery configured to supply electrical power to the motor to drive the shaft;a power switch configured to control the supply of electrical power to the motor;a cover comprising a cap having a first end with a first radius removably attachable to the rear body and a second end with a second radius larger than the first radius;a handle attachment bracket;a filter support;a main body; anda plurality of wheels supported by the main body. 16. The underwater cleaning apparatus according to claim 15, further comprising a slot in the cap, wherein the slot and the gap are coaxially aligned to facilitate the flow of the water through the gap and through the slot. 17. The underwater cleaning apparatus according to claim 15, further comprising a main body cover configured to retain a weight in the main body. 18. An underwater cleaning apparatus comprising: a front body having a filter;a rear body removably attachable to the front body, the rear body comprising a motor having a shaft, an impeller configured to draw in water through an inlet opening in the front body, and a gap, the impeller being positioned in the gap in the rear body;a lock configured to secure the rear body to the front body;a battery configured to supply electrical power to the motor to drive the shaft; anda power switch configured to control the supply of electrical power to the motor,wherein the lock comprises a flange extending from a rotatable knob on one of the rear body and the front body and an arcuate notch on the other of the rear body and the front body, in order to secure the rear body to the front body when the flange is rotated from a first position in which the flange does not contact the arcuate notch to a second position in which the flange contacts the arcuate notch. 19. The underwater cleaning apparatus according to claim 18, wherein the filter comprises a base having a y-shaped support rib at a proximal end. 20. An underwater cleaning apparatus comprising: a rear body and a front body removably attachable to the rear body; the rear body comprising: a main body;a sealing plate having an aperture;a gap between the main body portion and the sealing plate;an impeller positioned within the gap; anda lock configured to hold the front body to the rear body;the front body comprising:a filter removably attachable to a front end of the front body and spaced from the rear body to create a space between the rear body and one end of the filter,wherein the filter comprises a base having a y-shaped support rib at a proximal end. 21. The underwater cleaning apparatus according to claim 20, wherein at least a part of the front body extends over the gap in the rear body. 22. The underwater cleaning apparatus according to claim 21, wherein the front body comprises a slot that coincides with the gap in the rear body. 23. The underwater cleaning apparatus according to claim 20, the main body further comprising a cover and an indicator regarding a positioning of the cover. 24. The underwater cleaning apparatus according to claim 20, wherein the filter is removably attachable to only a front end of the front body. 25. The underwater cleaning apparatus according to claim 20, wherein the filter is removably fixed to only a front end of the front body. 26. The underwater cleaning apparatus according to claim 20, wherein the rear body comprises a double wall hull. 27. The underwater cleaning apparatus according to claim 20, wherein the lock comprises a circumferential channel on one of the rear body and the front body configured to engage a surface on the other of the rear body and the front body, in order to secure the rear body to the front body when the circumferential channel and the surface are aligned and one of the rear body and the front body are rotated with respect to the other of the rear body and the front body. 28. The underwater cleaning apparatus according to claim 20, wherein the lock comprises an engagement surface on one of the rear body and the front body configured to engage an engagement receiving surface on the other of the rear body and the front body when the engagement surface on one of the rear body and the front body is rotated with respect to the engagement receiving surface on the other of the rear body and the front body. 29. An underwater cleaning apparatus comprising: a rear body and a front body removably attachable to the rear body;the rear body comprising:a main body;a sealing plate having an aperture;a gap between the main body portion and the sealing plate;an impeller positioned within the gap; anda lock configured to hold the front body to the rear body;the front body comprising:a filter removably attachable to a front end of the front body and spaced from the rear body to create a space between the rear body and one end of the filter,wherein the lock comprises a flange extending from a rotatable knob on one of the rear body and the front body and an arcuate notch on the other of the rear body and the front body, in order to secure the rear body to the front body when the flange is rotated from a first position in which the flange does not contact the arcuate notch to a second position in which the flange contacts the arcuate notch. 30. The underwater cleaning apparatus according to claim 29, wherein the filter comprises a base having a y-shaped support rib at a proximal end. 31. An underwater cleaning apparatus comprising: a rear body attachable to a front body having a removable filter, the rear body comprising:a motor;an impeller driven by a shaft and configured to draw in water through an inlet opening in the front body;a lock configured to attach the rear body to the front body;a rechargeable battery configured to supply electrical power to the motor to drive the impeller;a charging socket on a rear of the rear body, the charging socket comprising a pair of contacts disposed within charging holes in the rear of the rear body, the pair of contacts being configured for electrical communication with a pair of charging pins of a removably attachable charger to charge the rechargeable battery, wherein the pair of charging pins are configured to hold the charger to the rear body; anda power switch,wherein the removable filter comprises a base having a y-shaped support rib at a proximal end. 32. The underwater cleaning apparatus according to claim 31, wherein the rear body comprises a double wall hull. 33. The underwater cleaning apparatus according to claim 31, wherein the lock comprises a circumferential channel on one of the rear body and the front body configured to engage a surface on the other of the rear body and the front body, in order to secure the rear body to the front body when the circumferential channel and the surface are aligned and one of the rear body and the front body are rotated with respect to the other of the rear body and the front body. 34. The underwater cleaning apparatus according to claim 31, wherein the lock comprises an engagement surface on one of the rear body and the front body configured to engage an engagement receiving surface on the other of the rear body and the front body when the engagement surface on one of the rear body and the front body is rotated with respect to the engagement receiving surface on the other of the rear body and the front body. 35. The underwater cleaning apparatus according to claim 31, where the removable filter comprises: a circular skeletal frame having a plurality of radial supports, the round frame having a distal end opening and a proximal end opening, in which the proximal end opening has a smaller diameter than the distal end opening; anda plurality of tabs arranged about the proximal end opening and extending in a direction of the rear body. 36. An underwater cleaning apparatus comprising: a rear body attachable to a front body having a removable filter, the rear body comprising:a motor;an impeller driven by a shaft and configured to draw in water through an inlet opening in the front body;a lock configured to attach the rear body to the front body;a rechargeable battery configured to supply electrical power to the motor to drive the impeller;a charging socket on a rear of the rear body, the charging socket comprising a pair of contacts disposed within charging holes in the rear of the rear body, the pair of contacts being configured for electrical communication with a pair of charging pins of a removably attachable charger to charge the rechargeable battery, wherein the pair of charging pins are configured to hold the charger to the rear body; anda power switch,wherein the lock comprises a flange extending from a rotatable knob on one of the rear body and the front body and an arcuate notch on the other of the rear body and the front body, in order to secure the rear body to the front body when the flange is rotated from a first position in which the flange does not contact the arcuate notch to a second position in which the flange contacts the arcuate notch. 37. The underwater cleaning apparatus according to claim 36, wherein the removable filter comprises a base having a y-shaped support rib at a proximal end. 38. The underwater cleaning apparatus according to claim 37, wherein each distal end of the y-shaped support rib includes an arcuate circumferential support, wherein a gap exists between each of the arcuate circumferential supports, andwherein each of the gaps is longer than each of the arcuate circumferential supports.
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