CA1135463A - Fastening arrangement for upper fill tube on a soft bag cleaner - Google Patents
Fastening arrangement for upper fill tube on a soft bag cleanerInfo
- Publication number
- CA1135463A CA1135463A CA000377652A CA377652A CA1135463A CA 1135463 A CA1135463 A CA 1135463A CA 000377652 A CA000377652 A CA 000377652A CA 377652 A CA377652 A CA 377652A CA 1135463 A CA1135463 A CA 1135463A
- Authority
- CA
- Canada
- Prior art keywords
- fill tube
- upper fill
- rigid housing
- bag
- soft bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
Canadian Case 2154A
A floor care appliance is described in whiich a rigid housing may extend upwardly from the appliance nozzle. The housing mounts a rigid plate that extends upwardly from it.
An upper fill tube is attached to this plate. a cloth bag for the floor care appliance extends around the fill tube and the rigid plate. The cloth bag thereby encapsulates the rigid plate and fill tube so as to provide a pleasing outside appearance to the floor care appliance.
A floor care appliance is described in whiich a rigid housing may extend upwardly from the appliance nozzle. The housing mounts a rigid plate that extends upwardly from it.
An upper fill tube is attached to this plate. a cloth bag for the floor care appliance extends around the fill tube and the rigid plate. The cloth bag thereby encapsulates the rigid plate and fill tube so as to provide a pleasing outside appearance to the floor care appliance.
Description
~3~3 Canadian Case 2154A
This invention relates to floor care appliances andJ
more specifically, relates to the upper portion of a suction cleanerO
The use of upper fill tubes is broadly old in floor care appliances, many configurations being utilized in the prior art to provide an upper fill function to take advantage of the fact that dirt deposited in the dirt collecting bag in these arranyements does not provide the equivalent of a pressure head or plug against which the fan-motor arrangement must work as cleaning progresses furtherO
These configurations include tubes fastened to the in-side of hard or soft dirt collecting bags, tubes fastened to handle arrangements and exhausting into a bag structure and tubes actually coincident-~with a handle that supports and -fluently communicates with the dirt collecting bag (normally a soft bag)O
At the same time9 floor care appliances having ri~id housings~ acting in accord with a soft bag~ heretofore~ have not been combined with an upper fill configuration so that the advan~
tages of both a rigid non~air bag receiving housing arrangement and an upper fill tube could be melded into a single, unitary cooperating structureO
The invention can be characterized as the upper portion of a suction cleaner having an upper fill tube including; a rigid housing extending upwardly; a handle, separate from the upper fill tube and attached to the rigid housing, a means for supporting the upper fill tube attached to the rigid housing~ the upper fill tube attached to the supporting means and having a discharge into a soft, dirt collecting bagJ the upper fill tube and the supporting means being encapsulated within the soft bag by the soft bag ex~
tending there around~ and the soft bag being disposed generally outwardly of the rigid housingO
Canadian Case 2154A
~3.5~
Reference may now be had to the accompanying drawings for a better understanding of the invention, both as to its organization and functionp with the illustration being only exemplary~ and in which;
Figure 1 is a perspecti~e view of a rigid housing soft bag portion of a cleaner incorporating the invention;
Figure 2 is a side view of the same apparatus;
Figure 3 is a partial cross sectional view of the apparatus of Figure 2 taken on line 3~3 of Figure 2 but shown with the bag schematically and partly removed;
Figure 4 is a partial cross sectional view of the apparatus of Figure 2 taken on a plane transverse to that of line 3-3, and Figure 5 is a fragmentary sectional view of the mount~
ing plate rigid housing connection -taken on line 5~5 of Figure 3 with the tang apertured bag portion deletedO
~ s can be seen most clearly in F.igures 1 and 2~ an upper part 10 of a cleaner is illustrated including a rigid housing 12, situated at its lower end, a soft bag 14 extending upwardly therefrom and a handle 16 at-tached to the rigid housing 12O A bag hook 18 is attached to the handle 16 for bag support through a bag supporting spring 20O An upper bag cap 2~! clamp~
ingly provides for easy connection to bag supporting spring 20O
A hand grip 22 caps the upper end of the handle 16 which also includes a switch 24 for actuation of a fan~motor system 26~ ~n electric plug 28 is included with upper portion 10 for connection to a convenient outlet (not shown) situated in the area to under~
go cleaningO
The lower portion of the cleaner (not shown) may be of a generally conventional nature and may3 for example, be closely akin to the nozzle or main casting configuration shown in Canadian Patent 9010227 owned by a common assigneeO In view of ~2~
~3S~ anadian Case 2154A
the disclosure in this patent7 no further description of such a bottom portion of a cleaner is deemed necessaryO
Turning now to the remaining figures in the Drawings~
handle 16 is seen as generally rectangular in cross section and extending downwardly to be removably situated into a socket 34 formed in rigid housing 12, this socket being formed by a series of ribs (unnumbered~O ~ pair of handle holding parts 36~ 38 form a tubular insert, generally rectangular in coniguration~ inserted to nest within bottom portions of the handle 16J the same being telescoped over a cup shaped member 40 attach~d to rigid housing 12 so as to be slightly pivotable relative to the confines of the socket 34O The handle holding parts 35~ 38, then, telescope over this member so that it provides general alignment ~or t~lemO
Punched and threaded holes 42, 42 are formed in holding part 3~ to permit the passage of screws 44~ 44 which bear against handle holding part 36 when screwed into threaded holes 42~ 42O
The wedging action of screws 44~ 44~ as -they screwingly abut the holdin~ part 36, separa~e it fronl holdi~ part 38 and hold~
ing part 38 from ito These two pieces thereby compressingly expand and engage against a lower portion 45 of the handle 16O
Handle 16 includes a pair of spli-ts (not shown) in this lower portion so that the handle 16 is capable of expanding deforma~
tion and it does so undex the imposition of expanding forces ~ from the holding paxts 368 38 so as to bear against the periphery - of socket 34O A rivet 43 also maintains holding par-ts 36 and 38 in selected position in housing 120 Disposed below the handle connection is a reel 50 which is non~rotatably journalled at pilot bore 51 in a front cover piece 52 tha-t extends upwardly and sidewardly for nearly the full extent of the front of the rigid housing 12O It is also non~
rotatably journalled at pilot bore 53 in a molded main housing ~35~3 Canadian Case 2154~
section 54 that serves as the main structural member for rigid housing 12~
The front cover piece 52 fits against a ledge 60 (partially shown) formed in and extending around the top and sides of the main housing section 5~ so that the front cover piece 52 fits into and is generally flush with an angled border 62 formed by the front edge of the main housing section 54. Any conventional fastening means may secure these two members to~
gether although integral slots and latching shoulders may desir~
ably ba used~
Disposed below reel 50, main housing section 54 includes an integral motor housing section 70 of generally semi-cylindrical form that encapsulates the motor~fan system 26 and forms a portion of the pivotal mounting (not shown) of the upper section 10 with the nozzle or main casting (not shown)~ A rear generally semi~cylindrical housing section 72 mates with motor housing section 70 to complete the enclosure for the fan~motor system 260 Screws (not shown) fixedly mount these two sections together through thickened sections not apparent in the DrawingsO
A rear upper portion 76 of reax housing section 72 extends outwardly from its cylindrical periphery and then up~
wardly to form a rim or border 78 that includes a horizontal flange 800 Inwardly of the end terminations of horizontal flange 80, main housing section 54 i.ncludes a generally horizontal ledge 82 that ~xtends around in a general semi-circle -to provide, with horizontal flange 80, a closed horizontally extending cylindrical flange wall utilized for bag securement purposes, ~ cap member 84 is mounted over this flange wall~ the same having a general cup shape so as to fit downwardly within the upwardly opening formed by the rear portion 76 of rear semi~
cylindrical housing section 72 and the outward formation o~ the -4~
~35 ~ 3 Canadian Case 2154A
main housing section 54~ slightly above the termination of motor housing section 700 This cap member includes an integral, upwardly extend~
ing rim 86 adjacent its outer border which merges into an inte-gral, short, horizontally extending section 88 that, in turn~
merges with a downwardly extending flange 90 which serves as the outer bordering rim for the cap member 840 With the cap member 84 mounted on the main housing section 54 and rear upper portion 76 of rear motor housing sec-tion 72, a downward terminating end 92 of it~ is disposed adja~cent an upward terminating end 94 of rear upper portion 76 and an upper side 96 of horizontal ledge 820 By this arrangement a lower end 98 of soft bag 14 is captured (fragmentarily seen in FigO 4) to mount the lower end of it with the upper part 10 of the cleanerO
In this positionO the soft bag 14 through its lower end 98 J covers a duct coupling means 100 extending upwardly from a cap member 840 This duct coupling means 1O0D in turn~ mounts the lower end of an upper fill duct or tube 104 in telescopic relation over it so that upper -fill duct 104 confluently com-municates with motor fan compartment 1020 Soft bag 1~ extends upwardly from its lower end 98 to envelope the duct ].04 as it extends upwardly~ with the bag 14 disposed between the duct 104 and the rigid housing 120 Adjacent the upper end of rigid housing 120 main hous-ing section 54 carries an upper fill tube mounting plate 106 which mounts thereagainst and has the soft bag 14 disposed between them so it receives retentive support from the upper fill tube mounting plateO Thus, the soft bag 14 is mounted medially by mounting plate 106, at its lower reaches by rigid housing 12 through cap member 84 and at its upper reaches by bag cap 21. Thus~ the bag 14 lies against the back side o-f Canadian Case 2154A
~;35~
rigid housing 12 to obscure it and encapsulate upper fill tube 104 and mounting plate 106 within ito The securing arrangement for the upper fill tube moun-ting 106 can best be seen in Figure 5. ~he mounting plate 106 includes a pair of tapered projections 108 (only one shown) on each side of the upper fill tube 104 that ex-tend through aper-tures 110 (only one shown) in a back plate 111 at this locationO
The housing section 54 includes a hooked portion 112 tha-t enters an aper-ture 114 in tapered projection 108 to maintain the mounting plate 106 attached to main housing section 54O A resilient tab 116 on main housing section 54 at all times tends to urge the projection 108 toward engagement with hooked psrtion 112 to thereby aid in securing the moun-ting of plate 106 with main housing section 54O In order to prevent interference between the soft bag 14 and projections 108 in this area~ the bag 14 includes apertures (not shown) for t:he passage of projections 108O This arrangement insures firm .retention of the mounting plate 106 by the main housing section 54 and secure capture of the bag 14 behind the mounting plate 106 and between it and the main housing section 54 Back plate 111, just referred to, is attached to the housing section 54 so as to be substantially parallel to its major extentl spaced by ribs or the like from this extent and attached to it by conven-tional means (not shown). It extends to the top of housing section 54 and terminates slightly below . the upper fill tube mounting plate 106.
- Mounting plate 106 also serves as the retention means for upper fill duct 104. Included integrally with this plate are a pair of shouldered latch members 118, 118 that resilient~
ly engage over a pair of sidewardly extending tabs 120~ 122 (inboard of tapered projections 108) made integral with upper fill duct 104. In order to mount the duct 104 with the main . ~, ~6-Canadian Case 215 4A
~3~3 housing section 54D the lower end of it is telescoped over duct coupling means 100 and the upper end of it pushed towards the upper fill tube mounting plate~ sprlnging latching members 118, 118 outwardly so that their shouldered portions (unnumbered~
engage over tabs 120, 1220 A secure mount is arrived at therebyO
At the upper end of upper fill tube mounting plate 106, it can be seen (FigO 4) that the bag 14 passes behind it and between it and the handle 16 so as to be easily suppor-ted by bag cap 21 (Fig. 2) and tOg again, obscure the full width and height of upper fill tube mounting plate 106~ the mounting plate being elongated heightwise to receive and abuttingly support the upper fill tube 104 above the tapered projections It should be clear that the objects of the invention set out in the beginning portion of the description have been fully metO It should also be clear that many modifications to the invention described would obviously occur to one skilled in the art and that these modifications would still fall within the spirit and purview of the description offered.
.:
~7~
This invention relates to floor care appliances andJ
more specifically, relates to the upper portion of a suction cleanerO
The use of upper fill tubes is broadly old in floor care appliances, many configurations being utilized in the prior art to provide an upper fill function to take advantage of the fact that dirt deposited in the dirt collecting bag in these arranyements does not provide the equivalent of a pressure head or plug against which the fan-motor arrangement must work as cleaning progresses furtherO
These configurations include tubes fastened to the in-side of hard or soft dirt collecting bags, tubes fastened to handle arrangements and exhausting into a bag structure and tubes actually coincident-~with a handle that supports and -fluently communicates with the dirt collecting bag (normally a soft bag)O
At the same time9 floor care appliances having ri~id housings~ acting in accord with a soft bag~ heretofore~ have not been combined with an upper fill configuration so that the advan~
tages of both a rigid non~air bag receiving housing arrangement and an upper fill tube could be melded into a single, unitary cooperating structureO
The invention can be characterized as the upper portion of a suction cleaner having an upper fill tube including; a rigid housing extending upwardly; a handle, separate from the upper fill tube and attached to the rigid housing, a means for supporting the upper fill tube attached to the rigid housing~ the upper fill tube attached to the supporting means and having a discharge into a soft, dirt collecting bagJ the upper fill tube and the supporting means being encapsulated within the soft bag by the soft bag ex~
tending there around~ and the soft bag being disposed generally outwardly of the rigid housingO
Canadian Case 2154A
~3.5~
Reference may now be had to the accompanying drawings for a better understanding of the invention, both as to its organization and functionp with the illustration being only exemplary~ and in which;
Figure 1 is a perspecti~e view of a rigid housing soft bag portion of a cleaner incorporating the invention;
Figure 2 is a side view of the same apparatus;
Figure 3 is a partial cross sectional view of the apparatus of Figure 2 taken on line 3~3 of Figure 2 but shown with the bag schematically and partly removed;
Figure 4 is a partial cross sectional view of the apparatus of Figure 2 taken on a plane transverse to that of line 3-3, and Figure 5 is a fragmentary sectional view of the mount~
ing plate rigid housing connection -taken on line 5~5 of Figure 3 with the tang apertured bag portion deletedO
~ s can be seen most clearly in F.igures 1 and 2~ an upper part 10 of a cleaner is illustrated including a rigid housing 12, situated at its lower end, a soft bag 14 extending upwardly therefrom and a handle 16 at-tached to the rigid housing 12O A bag hook 18 is attached to the handle 16 for bag support through a bag supporting spring 20O An upper bag cap 2~! clamp~
ingly provides for easy connection to bag supporting spring 20O
A hand grip 22 caps the upper end of the handle 16 which also includes a switch 24 for actuation of a fan~motor system 26~ ~n electric plug 28 is included with upper portion 10 for connection to a convenient outlet (not shown) situated in the area to under~
go cleaningO
The lower portion of the cleaner (not shown) may be of a generally conventional nature and may3 for example, be closely akin to the nozzle or main casting configuration shown in Canadian Patent 9010227 owned by a common assigneeO In view of ~2~
~3S~ anadian Case 2154A
the disclosure in this patent7 no further description of such a bottom portion of a cleaner is deemed necessaryO
Turning now to the remaining figures in the Drawings~
handle 16 is seen as generally rectangular in cross section and extending downwardly to be removably situated into a socket 34 formed in rigid housing 12, this socket being formed by a series of ribs (unnumbered~O ~ pair of handle holding parts 36~ 38 form a tubular insert, generally rectangular in coniguration~ inserted to nest within bottom portions of the handle 16J the same being telescoped over a cup shaped member 40 attach~d to rigid housing 12 so as to be slightly pivotable relative to the confines of the socket 34O The handle holding parts 35~ 38, then, telescope over this member so that it provides general alignment ~or t~lemO
Punched and threaded holes 42, 42 are formed in holding part 3~ to permit the passage of screws 44~ 44 which bear against handle holding part 36 when screwed into threaded holes 42~ 42O
The wedging action of screws 44~ 44~ as -they screwingly abut the holdin~ part 36, separa~e it fronl holdi~ part 38 and hold~
ing part 38 from ito These two pieces thereby compressingly expand and engage against a lower portion 45 of the handle 16O
Handle 16 includes a pair of spli-ts (not shown) in this lower portion so that the handle 16 is capable of expanding deforma~
tion and it does so undex the imposition of expanding forces ~ from the holding paxts 368 38 so as to bear against the periphery - of socket 34O A rivet 43 also maintains holding par-ts 36 and 38 in selected position in housing 120 Disposed below the handle connection is a reel 50 which is non~rotatably journalled at pilot bore 51 in a front cover piece 52 tha-t extends upwardly and sidewardly for nearly the full extent of the front of the rigid housing 12O It is also non~
rotatably journalled at pilot bore 53 in a molded main housing ~35~3 Canadian Case 2154~
section 54 that serves as the main structural member for rigid housing 12~
The front cover piece 52 fits against a ledge 60 (partially shown) formed in and extending around the top and sides of the main housing section 5~ so that the front cover piece 52 fits into and is generally flush with an angled border 62 formed by the front edge of the main housing section 54. Any conventional fastening means may secure these two members to~
gether although integral slots and latching shoulders may desir~
ably ba used~
Disposed below reel 50, main housing section 54 includes an integral motor housing section 70 of generally semi-cylindrical form that encapsulates the motor~fan system 26 and forms a portion of the pivotal mounting (not shown) of the upper section 10 with the nozzle or main casting (not shown)~ A rear generally semi~cylindrical housing section 72 mates with motor housing section 70 to complete the enclosure for the fan~motor system 260 Screws (not shown) fixedly mount these two sections together through thickened sections not apparent in the DrawingsO
A rear upper portion 76 of reax housing section 72 extends outwardly from its cylindrical periphery and then up~
wardly to form a rim or border 78 that includes a horizontal flange 800 Inwardly of the end terminations of horizontal flange 80, main housing section 54 i.ncludes a generally horizontal ledge 82 that ~xtends around in a general semi-circle -to provide, with horizontal flange 80, a closed horizontally extending cylindrical flange wall utilized for bag securement purposes, ~ cap member 84 is mounted over this flange wall~ the same having a general cup shape so as to fit downwardly within the upwardly opening formed by the rear portion 76 of rear semi~
cylindrical housing section 72 and the outward formation o~ the -4~
~35 ~ 3 Canadian Case 2154A
main housing section 54~ slightly above the termination of motor housing section 700 This cap member includes an integral, upwardly extend~
ing rim 86 adjacent its outer border which merges into an inte-gral, short, horizontally extending section 88 that, in turn~
merges with a downwardly extending flange 90 which serves as the outer bordering rim for the cap member 840 With the cap member 84 mounted on the main housing section 54 and rear upper portion 76 of rear motor housing sec-tion 72, a downward terminating end 92 of it~ is disposed adja~cent an upward terminating end 94 of rear upper portion 76 and an upper side 96 of horizontal ledge 820 By this arrangement a lower end 98 of soft bag 14 is captured (fragmentarily seen in FigO 4) to mount the lower end of it with the upper part 10 of the cleanerO
In this positionO the soft bag 14 through its lower end 98 J covers a duct coupling means 100 extending upwardly from a cap member 840 This duct coupling means 1O0D in turn~ mounts the lower end of an upper fill duct or tube 104 in telescopic relation over it so that upper -fill duct 104 confluently com-municates with motor fan compartment 1020 Soft bag 1~ extends upwardly from its lower end 98 to envelope the duct ].04 as it extends upwardly~ with the bag 14 disposed between the duct 104 and the rigid housing 120 Adjacent the upper end of rigid housing 120 main hous-ing section 54 carries an upper fill tube mounting plate 106 which mounts thereagainst and has the soft bag 14 disposed between them so it receives retentive support from the upper fill tube mounting plateO Thus, the soft bag 14 is mounted medially by mounting plate 106, at its lower reaches by rigid housing 12 through cap member 84 and at its upper reaches by bag cap 21. Thus~ the bag 14 lies against the back side o-f Canadian Case 2154A
~;35~
rigid housing 12 to obscure it and encapsulate upper fill tube 104 and mounting plate 106 within ito The securing arrangement for the upper fill tube moun-ting 106 can best be seen in Figure 5. ~he mounting plate 106 includes a pair of tapered projections 108 (only one shown) on each side of the upper fill tube 104 that ex-tend through aper-tures 110 (only one shown) in a back plate 111 at this locationO
The housing section 54 includes a hooked portion 112 tha-t enters an aper-ture 114 in tapered projection 108 to maintain the mounting plate 106 attached to main housing section 54O A resilient tab 116 on main housing section 54 at all times tends to urge the projection 108 toward engagement with hooked psrtion 112 to thereby aid in securing the moun-ting of plate 106 with main housing section 54O In order to prevent interference between the soft bag 14 and projections 108 in this area~ the bag 14 includes apertures (not shown) for t:he passage of projections 108O This arrangement insures firm .retention of the mounting plate 106 by the main housing section 54 and secure capture of the bag 14 behind the mounting plate 106 and between it and the main housing section 54 Back plate 111, just referred to, is attached to the housing section 54 so as to be substantially parallel to its major extentl spaced by ribs or the like from this extent and attached to it by conven-tional means (not shown). It extends to the top of housing section 54 and terminates slightly below . the upper fill tube mounting plate 106.
- Mounting plate 106 also serves as the retention means for upper fill duct 104. Included integrally with this plate are a pair of shouldered latch members 118, 118 that resilient~
ly engage over a pair of sidewardly extending tabs 120~ 122 (inboard of tapered projections 108) made integral with upper fill duct 104. In order to mount the duct 104 with the main . ~, ~6-Canadian Case 215 4A
~3~3 housing section 54D the lower end of it is telescoped over duct coupling means 100 and the upper end of it pushed towards the upper fill tube mounting plate~ sprlnging latching members 118, 118 outwardly so that their shouldered portions (unnumbered~
engage over tabs 120, 1220 A secure mount is arrived at therebyO
At the upper end of upper fill tube mounting plate 106, it can be seen (FigO 4) that the bag 14 passes behind it and between it and the handle 16 so as to be easily suppor-ted by bag cap 21 (Fig. 2) and tOg again, obscure the full width and height of upper fill tube mounting plate 106~ the mounting plate being elongated heightwise to receive and abuttingly support the upper fill tube 104 above the tapered projections It should be clear that the objects of the invention set out in the beginning portion of the description have been fully metO It should also be clear that many modifications to the invention described would obviously occur to one skilled in the art and that these modifications would still fall within the spirit and purview of the description offered.
.:
~7~
Claims (3)
- Canadian case 2154 A
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
l. The upper portion of a suction cleaner having an upper fill tube including;
a) a rigid housing extending upwardly, b) a handle, separate from said upper fill tube and attached to said rigid housing, c) a means for supporting said upper fill tube attached to said rigid housing.
d) said upper fill tube attached to said supporing means and having a discharge into a soft dirt collecting bag, e) said upper fill tube and said support means being encap-sulated within said soft bag by said soft bag extending there around and f) said soft bag being disposed generally outwardly of said rigid housing. - 2. The upper portion of a suction cleaner as set out in Claim 1 wherein;
a) said supporting means comprises a support plate extending upwardly from said rigid housing adjacent its termination. - 3. The upper portion of a suction cleaner having upper fill including:
a) a rigid housing extending upwardly, b) a handle, separate from said upper fill tube and attached to said rigid housing c) a means for supporting said upper fill tube attached to said rigid housing.
d) said upper fill tube attached to said supporting means and having a discharge into a soft, dirt collecting bag, and e) said soft bag being disposed generally outwardly of said rigid housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000377652A CA1135463A (en) | 1978-04-18 | 1981-05-14 | Fastening arrangement for upper fill tube on a soft bag cleaner |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/897,445 US4182618A (en) | 1978-04-18 | 1978-04-18 | Fastening arrangement for upper fill tube on a soft bag cleaner |
| US897,445 | 1978-04-18 | ||
| CA323,266A CA1128716A (en) | 1978-04-18 | 1979-03-09 | Floor care appliance having an upper portion |
| CA000377652A CA1135463A (en) | 1978-04-18 | 1981-05-14 | Fastening arrangement for upper fill tube on a soft bag cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1135463A true CA1135463A (en) | 1982-11-16 |
Family
ID=27166131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000377652A Expired CA1135463A (en) | 1978-04-18 | 1981-05-14 | Fastening arrangement for upper fill tube on a soft bag cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1135463A (en) |
-
1981
- 1981-05-14 CA CA000377652A patent/CA1135463A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |