US4591369A — Dust bag mount arrangement for canister vacuum cl…

Claim 1

Independent Claim 190 words

In a vacuum cleaner canister having a base defining a filter bag space and an access opening to said space, and a hood removably closing said access opening, the improvement comprising: means for removably mounting a filter bag in said bag space comprising a bag mount carried by the base; means for automatically positioning the bag mount (a) in a blocking disposition for preventing the closing of said access opening by said hood as an incident of the bag mount being free of a filter bag mounted thereto, and (b) in an operative disposition and concurrently permitting the closing of said access opening by said hood, said bag mount being caused to be automatically disposed in said operative position as an incident of the mounting of a filter bag to said bag mount and reception of said filter bag in said bag space; and means on the hood defining an access opening aligned with the position of the bag mount in the operative disposition for permitting a suction hose end to be extended therethrough into removably connected association with said bag mount for delivering dirt-laden air to the filter bag.

Claim 2

Dependent Claim 190 words

In a vacuum cleaner canister having a base defining a filter bag space and an access opening to said space, and a hood removably closing said access opening, the improvement comprising: means for removably mounting a filter bag in said bag space comprising a bag mount carried by the base; means for automatically positioning the bag mount (a) in a blocking disposition for preventing the closing of said access opening by said hood as an incident of the bag mount being free of a filter bag mounted thereto, and (b) in an operative disposition and concurrently permitting the closing of said access opening by said hood, said bag mount being caused to be automatically disposed in said operative position as an incident of the mounting of a filter bag to said bag mount and reception of said filter bag in said bag space; and means on the hood defining an access opening aligned with the position of the bag mount in the operative disposition for permitting a suction hose end to be extended therethrough into removably connected association with said bag mount for delivering dirt-laden air to the filter bag.

Claim 3

Dependent Claim 50 words

The vacuum cleaner canister structure of claim 1 wherein said bag mount defines an annular seal for removably sealingly engaging the suction hose end as an incident of the suction hose end being inserted against the bag mount for operative connection to a filter bag connected to the bag mount.

Claim 4

Dependent Claim 18 words

The vacuum cleaner canister structure of claim 1 wherein said bag mount is movably mounted to said base.

Claim 5

Dependent Claim 18 words

The vacuum cleaner canister structure of claim 1 wherein said bag mount is pivotally mounted to said base.

Claim 6

Dependent Claim 39 words

The vacuum cleaner canister structure of claim 1 wherein said means for automatically positioning the bag mount includes biasing means for biasing the bag mount to said blocking position in the absence of a filter bag being mounted thereto.

Claim 7

Dependent Claim 40 words

The vacuum cleaner canister structure of claim 1 wherein said means for automatically positioning the bag mount includes coil spring means for biasing the bag mount to said blocking position in the absence of a filter bag being mounted thereto.

Claim 8

Dependent Claim 39 words

The vacuum cleaner canister structure of claim 1 wherein said means for automatically positioning the bag mount comprises means for disposing the bag mount fully within said bag space as an incident of a filter bag being mounted thereto.

Claim 9

Dependent Claim 69 words

The vacuum cleaner canister structure of claim 1 wherein said means for automatically positioning the bag mount comprises means for disposing the bag mount fully within said bag space as an incident of a filter bag being mounted thereto and to project outwardly from said bag space when the hood is spaced from the access opening in the absence of a filter bag being mounted to said bag mount.

Claim 10

Dependent Claim 42 words

The vacuum cleaner canister structure of claim 1 wherein said means for automatically positioning the bag mount comprises means for causing the bag mount to extend approximately horizontally within said bag space as an incident of a filter bag being mounted thereto.

Claim 11

Dependent Claim 63 words

The vacuum cleaner canister structure of claim 1 wherein said means for automatically disposing the bag mount comprises means for disposing the bag mount fully within said bag space as an incident of a filter bag being mounted thereto and projecting substantially therefrom to interfere with closing of the hood in the absence of a filter bag being mounted to said bag mount.

Claim 12

Dependent Claim 201 words

In a vacuum cleaner canister having a base defining a filter bag space and an access opening to said space, and a hood removably closing said access opening, the improvement comprising: means for removably mounting a filter bag in said bag space comprising a bag mount pivotally mounted to the base; spring means for biasing the bag mount to a preselected hood-blocking disposition, said bag mount being automatically disposed (a) in a blocking disposition for preventing the closing of said access opening by said hood as an incident of the bag mount being free of a filter bag mounted thereto, and (b) in an operative disposition and concurrently permitting the closing of said access opening by said hood, said bag mount being caused to be disposed in said operative position as an incident of the mounting of a filter bag to said bag mount and reception of said filter bag in said bag space; and means on the hood defining an access opening aligned with the position of the bag mount in the operative disposition for permitting a suction hose end to be extended therethrough into removably connected association with said bag mount for delivering dirt-laden air to the filter bag.

Claim 13

Dependent Claim 201 words

In a vacuum cleaner canister having a base defining a filter bag space and an access opening to said space, and a hood removably closing said access opening, the improvement comprising: means for removably mounting a filter bag in said bag space comprising a bag mount pivotally mounted to the base; spring means for biasing the bag mount to a preselected hood-blocking disposition, said bag mount being automatically disposed (a) in a blocking disposition for preventing the closing of said access opening by said hood as an incident of the bag mount being free of a filter bag mounted thereto, and (b) in an operative disposition and concurrently permitting the closing of said access opening by said hood, said bag mount being caused to be disposed in said operative position as an incident of the mounting of a filter bag to said bag mount and reception of said filter bag in said bag space; and means on the hood defining an access opening aligned with the position of the bag mount in the operative disposition for permitting a suction hose end to be extended therethrough into removably connected association with said bag mount for delivering dirt-laden air to the filter bag.

Claim 14

Dependent Claim 46 words

The vacuum cleaner canister structure of claim 11 wherein said bag mount defines an annular seal for removably sealingly engaging the suction hose end as an incident of the suction hose end being inserted against the bag mount for communication with a filter bag mounted thereto.

Claim 15

Dependent Claim 16 words

The vacuum cleaner canister structure of claim 11 wherein said spring means comprises a coil spring.

Claim 16

Dependent Claim 30 words

The vacuum cleaner canister structure of claim 11 wherein said base is provided with a stop shoulder means for limiting the movement of the bag mount by said spring means.

Claim 17

Dependent Claim 31 words

The vacuum cleaner canister structure of claim 11 wherein in the absence of a filter bag on said bag mount said spring means disposes said bag mount in a hood-blocking position.

Claim 18

Dependent Claim 30 words

The vacuum cleaner canister structure of claim 15 wherein said base is provided with an electrical receptacle which is covered when said bag mount is disposed in said hood-blocking position.

Claim 19

Dependent Claim 101 words

In a vacuum cleaner having a housing defining a dirt collection space, said housing having a hood which may be opened to provide access to said space, the improvement comprising: obstruction means movably mounted to said housing for preventing closing of said hood in the absence of installation of a dirt-collecting bag in said space; plug receptacle means fixed to said housing for providing an electrical connection to electrical circuitry within said housing; and hose connecting means mounted to said obstruction means for movement therewith into cooperating association with said fixed receptacle means for connecting a hose end to the housing.

Claim 20

Dependent Claim 101 words

In a vacuum cleaner having a housing defining a dirt collection space, said housing having a hood which may be opened to provide access to said space, the improvement comprising: obstruction means movably mounted to said housing for preventing closing of said hood in the absence of installation of a dirt-collecting bag in said space; plug receptacle means fixed to said housing for providing an electrical connection to electrical circuitry within said housing; and hose connecting means mounted to said obstruction means for movement therewith into cooperating association with said fixed receptacle means for connecting a hose end to the housing.

Claim 21

Dependent Claim 25 words

The vacuum cleaner of claim 16 wherein said means for preventing closing of said hood comprises an automatically positioned dirt-collecting bag mount in said housing.

Claim 22

Dependent Claim 57 words

In a vacuum cleaner having a selectively closable enclosure and a filter bag mount in said enclosure for removable mounting of a filter bag thereinto, the improvement comprising a portion of the filter bag mount and enclosure preventing closing of said enclosure as an incident of the absence of a filter bag mounted to the bag mount.

Claim 23

Dependent Claim 57 words

In a vacuum cleaner having a selectively closable enclosure and a filter bag mount in said enclosure for removable mounting of a filter bag thereinto, the improvement comprising a portion of the filter bag mount and enclosure preventing closing of said enclosure as an incident of the absence of a filter bag mounted to the bag mount.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1989-05-26	1989-11-25	1990-05-27	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1993-05-26	1993-11-25	1994-05-27	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1997-05-26	1997-11-25	1998-05-27	$7700.00	Window Closed / Lapsed

Dust bag mount arrangement for canister vacuum cleaner

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