Electrically operated vacuum cleaner equipped with automatic filter-cleaning means

Claim 2

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filtercleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member.

Claim 3

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a gear formed on the outer periphery of a reel frame of said cord takeup means and another gear of smaller diameter meshing with said first mentioned gear for transmitting the rotation of the cord takeup means with a multiplied speed.

Claim 4

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a gear formed on the outer periphery of a reel frame of said cord takeup means and another gear of smaller diameter meshing with said first mentioned gear for transmitting the rotation of the cord takeup means with a multiplied speed.

Claim 5

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said filter-cleaning member being disposed between said filter and said blower at the side opposite to the filter surface on which dusts are accumulated.

Claim 6

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said filter-cleaning member being disposed between said filter and said blower at the side opposite to the filter surface on which dusts are accumulated.

Claim 7

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, a chamber being provided below said filter for receiving dusts removed from said filter, said chamber having a partition wall for preventing intake air from flowing into said chamber.

Claim 8

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, a chamber being provided below said filter for receiving dusts removed from said filter, said chamber having a partition wall for preventing intake air from flowing into said chamber.

Claim 9

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a large gear formed on the real frame of the cord takeup means, a small gear meshing with said large gear and a rotatable shaft having one end connected to said small gear and extending within said cleaner body along the side of said blower.

Claim 10

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a large gear formed on the real frame of the cord takeup means, a small gear meshing with said large gear and a rotatable shaft having one end connected to said small gear and extending within said cleaner body along the side of said blower.

Claim 11

An electrically operated vacuum cleaner in accordance with claim 2, in which said filter-cleaning member has at least one projection for thrusting into the pleats on the filter and is so arranged that it moves substantially perpendicularly to said pleats, said power transmission means serves, in response to either one of cord takeup or cord drawout movements of said cord takeup means, to transmit the rotation with a multiplied speed to said filter cleaning member so as to reciprocate it.

Claim 12

An electrically operated vacuum cleaner in accordance with claim 1 in which said power transmission means transmits the rotation of the cord takeup means only when the power supply cord is being drawn out.

Claim 13

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said blower, said cord takeup means and said power transmission means being mounted within a rear casing of the cleaner body having said exhaust port, said filter-cleaning member being movably mOunted at the front face of said rear casing provided with air passage means, the projection of said member being so arranged that it thrusts into the pleats of the filter formed on the face opposite to the one on which dusts are accumulated, said filter being removably mounted within a front casing of the cleaner body which is removably connected with the rear casing, said power transmission means comprising a large gear formed on the outer periphery of the reel frame of the cord takeup means, a small gear meshing with said large gear, a rotatable shaft having one end connected to the small gear and disposed along the side of said blower, and means for converting the rotation of said shaft into a reciprocating movement and transmitting to said filter-cleaning member.

Claim 14

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said blower, said cord takeup means and said power transmission means being mounted within a rear casing of the cleaner body having said exhaust port, said filter-cleaning member being movably mOunted at the front face of said rear casing provided with air passage means, the projection of said member being so arranged that it thrusts into the pleats of the filter formed on the face opposite to the one on which dusts are accumulated, said filter being removably mounted within a front casing of the cleaner body which is removably connected with the rear casing, said power transmission means comprising a large gear formed on the outer periphery of the reel frame of the cord takeup means, a small gear meshing with said large gear, a rotatable shaft having one end connected to the small gear and disposed along the side of said blower, and means for converting the rotation of said shaft into a reciprocating movement and transmitting to said filter-cleaning member.

Claim 15

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a large gear formed on the reel frame of the cord takeup means, a small gear meshing with said large gear and a rotatable shaft having one end connected to said small gear and extending along the side of said blower, said filter-cleaning member being so arranged with respect to its support member that a gap is formed therebetween and provided with a resilient member which can yield when the projection of said filter cleaning member passes over the crests of the filter pleats.

Claim 16

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a large gear formed on the reel frame of the cord takeup means, a small gear meshing with said large gear and a rotatable shaft having one end connected to said small gear and extending along the side of said blower, said filter-cleaning member being so arranged with respect to its support member that a gap is formed therebetween and provided with a resilient member which can yield when the projection of said filter cleaning member passes over the crests of the filter pleats.

Claim 17

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a gear formed on the outer periphery of the reel frame of said cord takeup means and another gear of a smaller diameter whereby the rotation of the cord takeup means is transmitted with a multiplied speed to the filter-cleaning member to rotate it.

Claim 18

An electrically operated vacuum cleaner equipped with automatic filter-cleaning means, said cleaner comprising a filter housed within a cleaner body having an intake and an exhaust port, an electrically operated blower, and automatic filter-cleaning means, said means comprising a filter-cleaning member adapted to beat the crests of pleats formed on said filter to cause deflection and vibration thereof so that dusts are removed therefrom, cord takeup means for taking up a power supply cord of the cleaner, and power transmission means for transmitting the rotation of the cord takeup means to said filter-cleaning member, said power transmission means including a gear formed on the outer periphery of the reel frame of said cord takeup means and another gear of a smaller diameter whereby the rotation of the cord takeup means is transmitted with a multiplied speed to the filter-cleaning member to rotate it.