US 12,390,067 B2
Surface cleaning apparatus
Wayne Ernest Conrad, Hampton (CA)
Assigned to Omachron Intellectual Property Inc., Hampton (CA)
Filed by Omachron Intellectual Property Inc., Hampton (CA)
Filed on Nov. 17, 2022, as Appl. No. 17/988,866.
Application 17/988,866 is a continuation of application No. 16/818,438, filed on Mar. 13, 2020, granted, now 11,529,033.
Claims priority of provisional application 62/825,148, filed on Mar. 28, 2019.
Claims priority of provisional application 62/818,856, filed on Mar. 15, 2019.
Prior Publication US 2023/0143305 A1, May 11, 2023
Int. Cl. A47L 9/14 (2006.01); A47L 5/24 (2006.01); A47L 9/12 (2006.01); A47L 9/16 (2006.01); A47L 9/20 (2006.01)
CPC A47L 9/149 (2013.01) [A47L 5/24 (2013.01); A47L 9/12 (2013.01); A47L 9/1608 (2013.01); A47L 9/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hand vacuum cleaner having a front end having a dirty air inlet, a rear end, an upper end and a lower end, the dirty air inlet is provided at the upper end of the hand vacuum cleaner, the hand vacuum cleaner comprising:
(a) an air treatment chamber having an interior volume, the air treatment chamber comprising a front end, a rear end comprising a rear end wall, an air treatment chamber air inlet to the interior volume, an air treatment chamber air outlet from the interior volume provided at the rear end of the air treatment chamber, and an air treatment chamber axis extending between the front and rear ends of the air treatment chamber, wherein the air treatment chamber air outlet comprises a porous member;
(b) a pre-motor filter positioned downstream of the porous member;
(c) a suction motor positioned downstream of the pre-motor filter, the suction motor having an inlet end that faces forwardly and a suction motor axis of rotation; and,
(d) a handle at the rear end of the hand vacuum cleaner,
wherein the air treatment chamber axis and the suction motor axis of rotation extend in the same direction, and
wherein the air treatment chamber comprises an upper stationary portion and a lower openable portion, the lower openable portion is moveable between a closed position and an open position by a mounting member that is provided adjacent the rear end of the air treatment chamber and at the lower end of the hand vacuum cleaner wherein the lower openable portion is secured to a remainder of the hand vacuum cleaner by the mounting member when the lower openable portion is in the open position, and
wherein, when the lower openable portion is in the closed position, each of the lower openable portion and the upper stationary portion define part of the interior volume and, when the lower openable portion is in the open position, the interior volume is open from the front end of the air treatment chamber to the rear end of the air treatment chamber, and
wherein the porous member is moveable with the lower openable portion when the lower openable portion is moved to the open position, and
wherein the pre-motor filter is provided in a pre-motor filter housing and, when the pre-motor housing is disengaged from a body of the hand vacuum cleaner, the pre-motor filter is removeable in a direction transverse to the air treatment chamber axis.