A hand-held cleaning device that utilizes a low-power, low-torque motor coupled to an impeller for creating a vacuum. The device includes a contact head having a plurality of protrusions formed on its top surface. The contact head contacts the surface to be cleaned, for example, the coat of a pet. T
A hand-held cleaning device that utilizes a low-power, low-torque motor coupled to an impeller for creating a vacuum. The device includes a contact head having a plurality of protrusions formed on its top surface. The contact head contacts the surface to be cleaned, for example, the coat of a pet. The protrusions are sized and spaced to avoid tangling or clumping of pet hair. The device includes a container for collecting hair and debris. The impeller includes ribs on a disk portion thereof for increasing the efficiency of the vacuum system.
대표청구항▼
1. A hand-held cleaning device, comprising: a housing having a swirl chamber;an impeller mounted in the swirl chamber;a motor for driving the impeller; anda contact head mounted to the housing upstream of the impeller for loosening debris to be collected by the device, said contact head comprising a
1. A hand-held cleaning device, comprising: a housing having a swirl chamber;an impeller mounted in the swirl chamber;a motor for driving the impeller; anda contact head mounted to the housing upstream of the impeller for loosening debris to be collected by the device, said contact head comprising a contact surface having a plurality of protrusions formed thereon, wherein the ratio of the height of each protrusion to the width of each respective protrusion at its widest portion is less than 1. 2. The cleaning device of claim 1, wherein the ratio of the height of each protrusion to the distance to the nearest adjacent protrusion is less than 1. 3. The cleaning device of claim 1, wherein the contact head is in the shape of a ring, and wherein debris is drawn by the impeller through a center opening of the ring. 4. The cleaning device of claim 3, wherein the swirl chamber includes an opening out of which debris is blown by the impeller, and wherein the opening is coupled to a collection container, which collects debris that is blown from the swirl chamber. 5. The cleaning device of claim 4 wherein the contact head is formed of flexible thermoplastic or rubber material. 6. The cleaning device of claim 1, wherein the motor is an electric motor. 7. The cleaning device of claim 6, wherein the motor is driven by at least one battery that is rechargeable via an electrical circuit integral with the cleaning device. 8. The cleaning device of claim 1, wherein the impeller comprises a disk portion, said disk portion having a top surface that includes at least one rib extending from the center of said disk portion to the edge of said disk portion. 9. A hand-held cleaning device, comprising: a housing having a swirl chamber;an impeller mounted in the swirl chamber;a motor for driving the impeller;a contact head mounted to the housing upstream of the impeller for loosening debris to be collected by the device, said contact head comprising a contact surface having a plurality of protrusions formed thereon; anda collection container having a first end and a second end, wherein the first end includes a first opening that is coupled to the swirl chamber for receiving debris and wherein the second end includes a hinged door for closing a second opening, wherein collected debris may be evacuated from the collection container when the hinged door is open. 10. The cleaning device of claim 9 wherein the collection container comprises at least four surfaces having vent holes formed therein. 11. The cleaning device of claim 9 wherein the hinged door comprises at least one surface having vent holes formed therein. 12. The cleaning device of claim 9 wherein the collection container is detachably connected to the housing. 13. The cleaning device of claim 9, wherein the motor is an electric motor. 14. The cleaning device of claim 13, wherein the motor is driven by at least one battery that is rechargeable via an electrical circuit integral with the cleaning device. 15. The cleaning device of claim 9, wherein the impeller comprises a disk portion, said disk portion having a top surface of which includes at least one rib extending from the center of said disk portion to the edge of said disk portion. 16. A hand-held cleaning device, comprising: a housing having a swirl chamber;an electric motor;at least one source of electric power connected to the motor;an impeller coupled to said motor and disposed in said swirl chamber, comprising a disk portion and a plurality of impeller blades attached to a bottom surface of said disk portion;wherein a top surface of said disk portion includes at least one rib extending from the center of said disk portion to the edge of said disk portion. 17. The cleaning device of claim 16, wherein a plurality of ribs extend from the center of said disk portion to the edge of said disk portion, and said ribs are in the form of grooves. 18. The cleaning device of claim 16, wherein a plurality of ribs extend from the center of said disk portion to the edge of said disk portion, and said ribs are in the form of ridges. 19. The cleaning device of claim 16, wherein a plurality of ribs extend from the center of said disk portion to the edge of said disk portion, and a first portion of said ribs are in the form of grooves and a second portion of said ribs are in the form of ridges.
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Zuidervaart, Jasper; Aitink, Albert Jan, Auxiliary part for an electric shaver.
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