Surface debris removal apparatus
First Claim
1. A motor assisted surface cleaning device, comprising:
- a head cleaning unit having a forward end and a rear end, the head cleaning unit comprising first and second elongate, rotatable bristled cleaning bars positioned in close proximity to one another and that each rotate about a respective axis, the bristled cleaning bars being configured to rotate in opposite directions, the first cleaning bar being more proximate the forward end of the head cleaning unit than the second cleaning bar,a debris collection reservoir attached to the rear end of the head cleaning unit and situated partly rearward of the first and second cleaning bars, anda handle attached to the head cleaning unit,the head cleaning unit further comprising a wall structure arranged between the first and second cleaning bars, the wall structure including a first wall portion rearwardly inclined from a vertical line such that an upper end of the rearwardly inclined first wall portion is more proximate the rear end of the head cleaning unit than a lower end, the wall structure also including a second wall portion that extends around part of a circumference of the second cleaning bar, the first wall portion being configured to cause debris propelled by the first cleaning bar to be directed in a rearward direction toward the debris collection reservoir, the second wall portion being configured to cause debris propelled by the second cleaning bar to be directed to the debris collection reservoir.
1 Assignment
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Accused Products
Abstract
This invention relates to a mechanism for use in a device that comprises a system for collecting dirt and debris from a variety of floor and upholstery surfaces. In particular the mechanism lifts and directs unwanted debris particles to a waste reservoir for the purpose of cleaning and grooming floor surfaces. The debris collection mechanism can be, but is not limited to its use in a handle operated cordless motorized floor sweeper to collect and gather unwanted debris and dust. The device includes a head unit that incorporates two easily removable elongate cylindrical rotating cleaning bars that are driven such that they contra rotate, and are positioned close to one another at the forward region of the head unit. A removable debris reservoir, removable rechargeable power source and handle incorporating a device operation switch are also included.
17 Citations
30 Claims
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1. A motor assisted surface cleaning device, comprising:
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a head cleaning unit having a forward end and a rear end, the head cleaning unit comprising first and second elongate, rotatable bristled cleaning bars positioned in close proximity to one another and that each rotate about a respective axis, the bristled cleaning bars being configured to rotate in opposite directions, the first cleaning bar being more proximate the forward end of the head cleaning unit than the second cleaning bar, a debris collection reservoir attached to the rear end of the head cleaning unit and situated partly rearward of the first and second cleaning bars, and a handle attached to the head cleaning unit, the head cleaning unit further comprising a wall structure arranged between the first and second cleaning bars, the wall structure including a first wall portion rearwardly inclined from a vertical line such that an upper end of the rearwardly inclined first wall portion is more proximate the rear end of the head cleaning unit than a lower end, the wall structure also including a second wall portion that extends around part of a circumference of the second cleaning bar, the first wall portion being configured to cause debris propelled by the first cleaning bar to be directed in a rearward direction toward the debris collection reservoir, the second wall portion being configured to cause debris propelled by the second cleaning bar to be directed to the debris collection reservoir. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification