Surface cleaning apparatus
A hand vacuum cleaner has a front end, a rear end, a longitudinal axis extending between the front and rear ends, an air flow passage, an air treatment member, an outer wiper, and a front door. The air treatment member includes a treatment chamber having a porous dirt separator. The wiper travels across at least a portion of an outer wall of the porous dirt separator as the wiper moves between a first position to a second position. The front door is moveably mounted between a closed position and an open position, and is drivingly connected to the wiper whereby when the front door moves from the closed position to the open position, the wiper travels from the first position to the second position. A hand vacuum cleaner also has a first cleaning stage which is rotatable to an open position wherein as the first cleaning stage is opened a wiper cleans a porous substrate.
1. A hand vacuum cleaner having a front end, a rear end and a longitudinal axis extending between the front and rear ends, the hand vacuum cleaner comprising:
(a) an air flow passage extending from a dirty air inlet to a clean air outlet;
(b) an air treatment member positioned in the air flow passage downstream from the dirty air inlet, the air treatment member comprising an air treatment chamber, the treatment chamber having an air inlet, an air outlet, a front end and a rear end, the air outlet comprising an outer porous separating member;
(c) an outer wiper which travels across at least a portion of an outer wall of the outer porous separating member as the outer wiper moves between a first position and a second position; and,
(d) the air treatment chamber having a moveable portion that is moveably mounted between a closed position and an open position, wherein the moveable portion is drivingly connected to the outer wiper whereby, when the moveable portion moves from the closed position to the open position, the outer wiper travels in an arcuate path as the wiper travels from the first position to the second position.
2. The hand vacuum cleaner of claim 1 wherein the outer wiper is mounted in a fixed orientation to the moveable portion.
3. A hand vacuum cleaner having a front end, a rear end, the hand vacuum cleaner comprising:
(a) an air flow passage extending from a dirty air inlet to a clean air outlet;
(b) an air treatment member positioned in the air flow passage downstream from the dirty air inlet, the air treatment member comprising an air treatment chamber, the treatment chamber having an air inlet, an air outlet, a front end and a rear end, the air outlet comprising an outer porous separating member;
(c) an outer wiper travelling across at least a portion of an outer wall of the outer porous separating member as the outer wiper moves between a first position and a second position; and,
(d) the air treatment chamber having a moveable portion that is moveably mounted between a closed position and an open position, wherein the moveable portion is drivingly connected to the outer wiper whereby, when the moveable portion moves from the closed position to the open position, the outer wiper travels from the first position to the second position,
wherein the outer wall comprises first and second laterally spaced apart side walls, each of the first and second lateral side wall extends generally longitudinally into the air treatment chamber from the rear end of the air treatment chamber, and the outer wiper comprises a first lateral side outer wiper that travels across at least a portion of the first lateral side wall as the first lateral side outer wiper moves from the first position to the second position and a second lateral side outer wiper that travels across at least a portion of the second lateral side wall as the second lateral side outer wiper moves from the first position to the second position.
4. The hand vacuum cleaner of claim 1 wherein the moveable portion comprises at least a substantial portion of a lower side of the air treatment chamber.
5. The hand vacuum cleaner of claim 1 wherein a porous filter media is removably mounted downstream of the outer porous separating member and the porous filter media is removable when the moveable portion is in the open position.
6. The hand vacuum cleaner of claim 5 further comprising a hand grip attached to the porous filter media and the hand grip is accessible when the moveable portion is in the open position.
7. The hand vacuum cleaner of claim 1 wherein the outer porous separating member comprises an outer substrate having openings therein and a porous filter media is removably positioned interior of the outer porous separating member.
8. A hand vacuum cleaner having a front end, a rear end, the hand vacuum cleaner comprising:
(a) an air flow passage extending from a dirty air inlet to a clean air outlet;
(b) an air treatment member positioned in the air flow passage downstream from the dirty air inlet, the air treatment member comprising an air treatment chamber, the treatment chamber having an air inlet, an air outlet, a front end and a rear end, the air outlet comprising an outer porous separating member;
(c) an outer wiper travelling across at least a portion of an outer wall of the outer porous separating member as the outer wiper moves between a first position and a second position; and,
(d) the air treatment chamber having a moveable portion that is moveably mounted between a closed position and an open position, wherein the moveable portion is drivingly connected to the outer wiper whereby, when the moveable portion moves from the closed position to the open position, the outer wiper travels from the first position to the second position,
wherein the outer wall extends in more than one plane, at least a section of the outer wall that extends in more than one plane has openings therein, and the outer wiper travels across at least a portion of the section of the outer wall that extends in more than one plane as the outer wiper moves from the first position to the second position.
9. The hand vacuum cleaner of claim 3 wherein the outer wiper travels in an arcuate path as the moveable portion moves from the closed position to the open position.
10. The hand vacuum cleaner of claim 1 further comprising an inner substrate having openings therein positioned inside the outer porous separating member and an inner wiper travelling across at least a portion of an outer wall of the inner substrate as the inner wiper moves between a first position to a second position.
11. The hand vacuum cleaner of claim 10 wherein the outer porous separating member comprises an outer substrate having openings therein, the outer substrate is moveable to an open position, and the inner wiper travels across at least a portion of the outer wall of the inner substrate when the outer substrate moves to the open position.
12. The hand vacuum cleaner of claim 11 wherein the outer substrate moves to the open position when the moveable portion moves to the open position.
13. The hand vacuum cleaner of claim 11 further comprising a further porous filter media inside the inner substrate.
14. The hand vacuum cleaner of claim 1 wherein the outer porous separating member comprises first and second spaced apart dirt separators, each of which is positioned in the air treatment chamber.
15. The hand vacuum cleaner of claim 14 wherein the wiper comprises a first wiper portion that engages an outer surface of the first spaced apart dirt separator and a second wiper portion that engages an outer surface of the second spaced apart dirt separator.
16. The hand vacuum cleaner of claim 15 wherein each of the first and second spaced apart dirt separators comprises an outer substrate having openings therein and a further porous dirt separator is positioned interior each of the first and second spaced apart dirt separators.
17. The hand vacuum cleaner of claim 1 wherein an outer wall of the outer porous separating member is elastomeric and the hand vacuum cleaner further comprises a deformation actuator connected to the outer wall, the deformation actuator is moveable from a first position to a second position in which the outer wall is stretched compared to a configuration of the outer wall when the deformation actuator is in the first position.
18. A hand vacuum cleaner having a front end, a rear end and a longitudinal axis extending between the front and rear ends, the hand vacuum cleaner comprising:
(a) an air flow passage extending from a dirty air inlet to a clean air outlet;
(b) an air treatment member positioned in the air flow passage downstream from the dirty air inlet, the air treatment member comprising a treatment chamber, the treatment chamber having an air inlet, an air outlet, a front end and a rear end, the air outlet comprising an outer porous separating member that is positioned in the treatment chamber, the outer porous separating member having an outer wall that comprises first and second laterally spaced apart side portions, each of the first and second lateral side portions extends generally longitudinally into the treatment chamber from the rear end of the treatment chamber, wherein at least a section of the outer wall that extends in more than one plane has openings therein;
(c) an outer wiper comprising a first lateral side outer wiper that travels across at least a portion of a first lateral side portion as the first lateral side outer wiper moves between a first position to a second position, and a second lateral side outer wiper that travels across at least a portion of the second lateral side portion as the second lateral side outer wiper moves between the first position to the second position; and,
(d) a moveable portion of a wall of the treatment chamber that is drivingly connected to the outer wiper whereby when the moveable portion of the wall moves from a closed position to an open position, the outer wiper travels from the first position to the second position.
19. The hand vacuum cleaner of claim 18 further comprising an inner substrate having openings therein positioned inside the outer porous separating member and an inner wiper travelling across at least a portion of an outer wall of the inner substrate as the inner wiper moves between a first position to a second position.