US1655514A - Drying tumbler - Google Patents
Drying tumbler Download PDFInfo
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- US1655514A US1655514A US216437A US21643727A US1655514A US 1655514 A US1655514 A US 1655514A US 216437 A US216437 A US 216437A US 21643727 A US21643727 A US 21643727A US 1655514 A US1655514 A US 1655514A
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- Prior art keywords
- drum
- casing
- shaft
- trunnions
- drying
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
Definitions
- Wlierein the blast of air employed in practilll cally all of such articles before drying is brought into intimate contact with tlie contents of the tumbler, so that it iuffs the material of the articles and brings out the nap thereof.
- a further object of the invention is to provide novel and improved drying construction in whichn the tumbler is provided withl agitators lifting and dropping .the clothes, so constructed that during this lifting and dropping operation, they are subjecting the same to a blast of air.
- a further object of the invention is to provide a drying tumbler construction of such character that aft-er 'the usual drying by steam heated air, a blast of cold-air may be l thereof 5 introduced to the casing to complete the drying operation, cool the clothes andremove therefrom the odor usually imparted thereto by the heating operation.
- a further object of the invention is the provision of a novel and improved struct-nre for controlling the braking of the drying drum and the position of the saiiie,.so that' the ⁇ door-'of the drying drum is accessible through the casing-door.
- Figure 1 is a. View partially in plan and artially in section of .aj closed drying tuinler constructed in accordance with my invention
- Figure 2 isa section on the line -2 2 of Figure 1; x' Figure 3 is a section on the line 3-3 of Figure2; Figure 4 is a section through the air heating and Control chamber'sn l Figure 5 is a fragmentary end elevation Figure 6 is a detail view showing the combined brake and drum adjusting control.
- the numeral 10 generally designates an outer casing, the junction between the upper wall 11 and-the side wall 12 of which is rounded,. and provided in this rounded portionwith a hinged .door 14.
- This rounded position parallels the periphery ofa'tumbler drum, generally designated at 15, which is arranged Within the casing and supported by hollow trunnions 16 extending through and having bearing in the end walls 17 of the casing, as indicated at 18.
- the casing' has in spaced relation to the other of its side walls a vertically extending partition 1.9, the lower end-of which curves inwardly beneath the drum, as indicated at 20, and then drops vertically at 21 for engagement with the bottom wall 22 of the casing.
- a second transversely extending partition 23 is disposed between the partition 19 and the rear wall.
- This partition at its lower end ⁇ has an opening 24 communicating with the chamber formed between the partition 19 and the rear wallof the casing, this opening being closable by a hinged door 25,. which moves upwardly to close the opening.
- the top of the casing between the partition 23 and the adjacent end wal-l is provided with an opening 2G closed by a door 27 moving downwardly to the closed position and connected ⁇ Witli the door 27 by a flexible element 28 in such Inanner that when the door 27 is fully opened, the door 25 is fully closed.
- the door 27 finay beheld in adjusted positions by an adjustable catch. ⁇
- the chamber 30 has in its upper end a cold air inlet 32 and vhasvarranged vtherein steam' heating 'coils 33. end an 'outlet 34 connected with the inlet of i a fan 35.i It will be obvious that by an ad- The chamber 31 has at its lower p with a conduit '36, which extends through the end walls 17 of the casing 10 below the level of the drum 15 and at opposite ends of the casing has vertical extensions 3T having swiveled communication at 38 with the ends of the hollow trunnions 1G.
- Each trunnion has secured thereto a drum end 39 which is imperforate and has about its periphery a solid flange 40, to which vthe perforated wall 41 of the drum is secured.
- a false drum end 42 having a solid center 43 and a perforated rim portion 44.
- the false drum end as a whole is preferably concave, as illustrated, with its concave face disposed toward the hollow trunnion, although other constructions may b employed7 if desired.
- the solid portion' 43 is preferably conical 'with its apex directed toward'the hollow trunnion, so that air entering through the hollow trunnion .is directed toward the periphery of the drum and may pass through the openings of the hollow rim 44.
- the drum ends 39 are connectedby bars 45, the outer walls of which engage and support the perforated drum wall 41 and are free from perforations. These bars project well into the interior of the drum and have their inner walls perforated, as indicated vat 46. It will be obvious' that air entering through the hollow trunnions will pass not only through the openings of the rim 41,-but will likewise enter the hollow bars and will pass through the openings 46 thereof for engagement with the contents of the drum.
- a drive gear 48 driven from a pinion 49 mounted 'on a shaft 50 which is rotated in any suitable manner.
- this shaft is disclosed as equipped with a pulley 51 and adapted to be belt-driven.
- the end wall 17 of the casing at the same end thereof f has secured thereto a casting 52 providing a split bearing 53 for a shaft 54. This bearing may be clamped upon the shaft 54 through a lever 55.
- a second casting 56 Longitudinally slidable upon the casting 52 is a second casting 56 which likewise provides a bearing ⁇ 57 ⁇ for the shaft 54,
- a trunnion 5' upon which isrotatably mounted a combined spur and bevel gear, the spur element 58 of which alignswith and is adapted to meshwith the gear 48 and the bevel gear element 59 of which meshes with the bevel gear 6() secured to the inner end of the shaft 54.
- the shaft 54 has at the same side of the bearing 57 "i end of the shaft 54 is provided with a hand wheel 61.
- the structure just described prdvides a means for braking ⁇ and adjusting the drum 15.
- the braking is accomplished by sliding the casting 5G inwardly until the gear 58 meshes with the gear and then operating the lever 55 to retard rotation of the shaft 54. After the drum 15 has stopped its rotation, the main door 14 is opened and the lever 55 operated to release the shaft 54. The hand wheel (l is then operated'to bring the door (32 of the drum 15 into alignment with the door 14 of the casing., It will, therefore, be seen that by the structure recited, the brake and druinadjusting elcments are combined in a ,single structure.
- a drying tumbler a casing, hollow trunnions rotatably -mounted in opposed walls of the casing, solid drum ends supported from said trunnions, false drum ends supported from said solid drum ends and having solid portions opposing the hollow trunnions and perforated portions outwardly of said solid'portions, members connecting said drum ends and supporting a perforated drum wall, means for introducing a. blast of air through said hollow trunnions llo and means for regulating the tempera-ture of means for introducing which extends through the wall of the casa casing within 'which the drum is mounted, said drum having trunnions at. least one of which extends through the wall of the casing, a gear secured to said trunnion, means for rotating the gear to thereby rotate the drum,
- a drying tumbler a casing, hollow. trunnions rotatably mounted in opposed walls of the casing, ,solid drum ends supported from said trunnions, false drum ends supported from said solid drum ends and having solid portions opposing the hollow trunnions and perforated portions outwardly of said solid portions, bars connecting said drum ends and supporting a perforated peripheral drum wall, said bars being hollow and having openings formed therein, means for introducing a blast of air through said hollow trunnions, and means for controlling the temperature of the blast of air so introduced.
- a drying tumbler a rotatable drum, a casing within which the drum is mounted, said drum having trunnions at least one of ing, a casting shiftable upon the casing wall toward and away from the axis of the drum, a shaft supported by the casting and n one position thereof having driving engagement with said trunnion, means for braking rotation of said shaft and means for manually rotating said shaft.
- a drying tumbler a rotatable drum, a casing within which the drum is mounted, said drum having trunnions at least one of which extends through ythe wall ofthe casing, a casting shif able upon the casing wall toward and away from theiaxis of the(drum,
- means for causing a circulation ofv air through vthe drum including a fan .having its linlet in communication with the drum andmeans'controlling the temperature of air delivered by the. fan to the drum including a pair of chambers, heating elements Vin one of said chambers, an inlet for each chamber,l an opening connecting the chambers, n an outlet for the other of the lchambers communicating with the fan and doors for controlling the inlet of the last named chamber and the opening connecting the chambers.
- a drying tumbler a rotatable drum, aY casing therefor, means for causing a circulation of air through the drum including a fan having its inlet in communication with the drum and means controlling the temperature of air delivered by the fan to the .drum including a pair of chambers, heating lelements in one of said chambers', an inlet for each chamber, an opening connecting the chambers, an outlet for the other of the chambers communicating withthe fan,doors for controlling the inlet'of the last named chamber and the opening connecting thc chambers, said doors moving oppositly to closed position and a connection between the doors whereby they move unison.
- ya casing therefor means for causing a circulation of air through the drum including a 'fan having its inlet in communication with the drum and means controllingthe temperaturey of air delivered by the fan to the ldrum including a pair of chambers, heating elements in one of said chambers, an inlet for each chamber, an opening connecting the chambers, an outlet for the otherof the chambers communicating with the fan, doors for controlling the inlet of the last named chamber and the opening connecting the chambers, said doors moving oppositely to yclosed position, a connection between the doors whereby lthey move lin unison, and means for maintaining one of the doors in adjusted positions.
- a drying tumbler a rotatable drum, a'lcasing within which the drum is mounted, said drum having trunnions at least one of lwhich extends through the wall of the casing, a gear upon said trunnions and secured thereto, crushersting shiftable uponv the casing wall toward and away from the axis of the drum, a shaft supported by and held against longitudinal movement with relation to the casting, means carried by the Acasting and operatively connecting the shaft and gear in one position of the casting, means for braking rotation of the shaft ifa and means for manually rotating said shaft.
- a lcasing within which the drum is' mounted, said'drum having trunnions at least one of which extends through the wall of thecasing, a gear upon said trunnions and secured thereto, a casting shiftable upon the casing l" which extends through the wall of the cas- Wall toward and away trom the axis of the drum, a shaft supported by and held against longitudinal movement with relation to the casting, means carried by the casting and operatively connecting the shaft and gear in one position of the casting, means for braking rotation of the shaft and means for manually rotating saitl shaft, saiil means being oliierable'to look the shaftantl casting against movements toward and away l' rom the axis of the drum.
- a drying tumbler a rotatable drum', a easing within which the (lrum is mounted.
- sai l (li-um having trunnions at least one of ing, a gear upon said trunnions ⁇ and secured thereto, a casting shiftable upon the casing wall toward and away from the axis of the drum, a shaft supported by and held against longitudinal movement with relation to the casting, means carried by the casting and operatively connecting the shaft and gear in one position of the casting, a splitl bearing stationary with relation to the casing in which said shaft is sliilable and rotatable and a lever operable to clamp the .sei-tions of the bearing upon the shaft.
Description
4- Sheets-Sheet l J. w. sElFER-T DRYING TUMBLER Filed Aug. 3o, 1927 Jan. 10, 1928.v
J. w. sl-:IFERT` 1mm@ TUMBLER Filed Aug. so; 1927 Jan. l0, 1.928.
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-muflw Jan. 1o, 192s.
. 1,655,514 J. W. SEIFEtRT DRYING TUMBLER n Filed Aug. 50, 1927 4 Sheets-Sheet 3 az 4/ Fr?- L77..
'.LTs-'ffr'fglfzfzfffi'gtl-- Jail. 1o, 192s.
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Patented Jan. I, 1.928.`
UNITED STATES JOHN W. SEIFERT, OF HOUSTON, TEXAS, ASSIGNOR TO NATIONAL LAUNDRY MACHINE g 1,655,514 IPATENT oFFicE.
-CO. INC., OF HOUSTON, TEXAS, A CORPORATION OF TEXAS.
DINING TUMBLER.
Application .nF-ed August 30, 1927. Serial No. 216,437.
, Wlierein the blast of air employed in practilll cally all of such articles before drying is brought into intimate contact with tlie contents of the tumbler, so that it iuffs the material of the articles and brings out the nap thereof.
A further object of the invention is to provide novel and improved drying construction in whichn the tumbler is provided withl agitators lifting and dropping .the clothes, so constructed that during this lifting and dropping operation, they are subjecting the same to a blast of air.
` A further object of the invention is to provide a drying tumbler construction of such character that aft-er 'the usual drying by steam heated air, a blast of cold-air may be l thereof 5 introduced to the casing to complete the drying operation, cool the clothes andremove therefrom the odor usually imparted thereto by the heating operation.
A still further object of the invention 1s to provide a structure of this character which maybe compactly arranged, which will be durable and efficient in service and a general improvement inthe art. n
A further object of the invention is the provision of a novel and improved struct-nre for controlling the braking of the drying drum and the position of the saiiie,.so that' the `door-'of the drying drum is accessible through the casing-door.
AThese and other objects I attain by the' construction sliown in the accompanying drawings, wherein for the purpose ofillustration is shown a preferred embodiment of my invention and wherein: Figure 1 is a. View partially in plan and artially in section of .aj closed drying tuinler constructed in accordance with my invention;
Figure 2 isa section on the line -2 2 of Figure 1; x' Figure 3 is a section on the line 3-3 of Figure2; Figure 4 is a section through the air heating and Control chamber'sn l Figure 5 is a fragmentary end elevation Figure 6 is a detail view showing the combined brake and drum adjusting control.
Referring now more particularly to the drawings, the numeral 10 generally designates an outer casing, the junction between the upper wall 11 and-the side wall 12 of which is rounded,. and provided in this rounded portionwith a hinged .door 14.
This rounded position parallels the periphery ofa'tumbler drum, generally designated at 15, which is arranged Within the casing and supported by hollow trunnions 16 extending through and having bearing in the end walls 17 of the casing, as indicated at 18. The casing'has in spaced relation to the other of its side walls a vertically extending partition 1.9, the lower end-of which curves inwardly beneath the drum, as indicated at 20, and then drops vertically at 21 for engagement with the bottom wall 22 of the casing. Between the partition 19 and the rear wall, a second transversely extending partition 23 is disposed. This partition at its lower end `has an opening 24 communicating with the chamber formed between the partition 19 and the rear wallof the casing, this opening being closable by a hinged door 25,. which moves upwardly to close the opening., The top of the casing between the partition 23 and the adjacent end wal-l is provided with an opening 2G closed by a door 27 moving downwardly to the closed position and connected `Witli the door 27 by a flexible element 28 in such Inanner that when the door 27 is fully opened, the door 25 is fully closed. The door 27 finay beheld in adjusted positions by an adjustable catch.`
It will be obvious ,from the foregoing' that between the partitions '19 andrear wall, two 95 chambers l30 and 3 1 are formed. The chamber 30 has in its upper end a cold air inlet 32 and vhasvarranged vtherein steam' heating 'coils 33. end an 'outlet 34 connected with the inlet of i a fan 35.i It will be obvious that by an ad- The chamber 31 has at its lower p with a conduit '36, which extends through the end walls 17 of the casing 10 below the level of the drum 15 and at opposite ends of the casing has vertical extensions 3T having swiveled communication at 38 with the ends of the hollow trunnions 1G. Each trunnion has secured thereto a drum end 39 which is imperforate and has about its periphery a solid flange 40, to which vthe perforated wall 41 of the drum is secured. To this flange is likewise secured a false drum end 42 having a solid center 43 and a perforated rim portion 44. The false drum end as a whole is preferably concave, as illustrated, with its concave face disposed toward the hollow trunnion, although other constructions may b employed7 if desired. The solid portion' 43 is preferably conical 'with its apex directed toward'the hollow trunnion, so that air entering through the hollow trunnion .is directed toward the periphery of the drum and may pass through the openings of the hollow rim 44. The drum ends 39 are connectedby bars 45, the outer walls of which engage and support the perforated drum wall 41 and are free from perforations. These bars project well into the interior of the drum and have their inner walls perforated, as indicated vat 46. It will be obvious' that air entering through the hollow trunnions will pass not only through the openings of the rim 41,-but will likewise enter the hollow bars and will pass through the openings 46 thereof for engagement with the contents of the drum. As these bars project into the drum, they will serve to engage'against the Contents and lift the same, so that these contents are agitated and all partsthereof exposed to the action of the air blast.- As the air enters from the opposite ends of the drum, all of.
this air must actually engage against the contents thereof before it can escape through the walls of the perforated cover 41. Air escaping through the perforated cover 41 passes out of the casing through an'outlet 47.
Secured to one of the hollow trunnions at the exterior' of the casing 10 is a drive gear 48 driven from a pinion 49 mounted 'on a shaft 50 which is rotated in any suitable manner. In the present instance, this shaftis disclosed as equipped with a pulley 51 and adapted to be belt-driven. The end wall 17 of the casing at the same end thereof f has secured thereto a casting 52 providing a split bearing 53 for a shaft 54. This bearing may be clamped upon the shaft 54 through a lever 55. Longitudinally slidable upon the casting 52 is a second casting 56 which likewise provides a bearing `57 `for the shaft 54, In the castingl 56 is mounted a trunnion 5'( upon which isrotatably mounted a combined spur and bevel gear, the spur element 58 of which alignswith and is adapted to meshwith the gear 48 and the bevel gear element 59 of which meshes with the bevel gear 6() secured to the inner end of the shaft 54. The shaft 54 has at the same side of the bearing 57 "i end of the shaft 54 is provided with a hand wheel 61. The structure just described prdvides a means for braking` and adjusting the drum 15. The braking is accomplished by sliding the casting 5G inwardly until the gear 58 meshes with the gear and then operating the lever 55 to retard rotation of the shaft 54. After the drum 15 has stopped its rotation, the main door 14 is opened and the lever 55 operated to release the shaft 54. The hand wheel (l is then operated'to bring the door (32 of the drum 15 into alignment with the door 14 of the casing., It will, therefore, be seen that by the structure recited, the brake and druinadjusting elcments are combined in a ,single structure.
From the foregoing, itlwill be obvious that I have devised a drying tumbler in which the drying operation is readily con trolled and by means of which this drying operation is materially shortened and rendered more effective. It will furthermore be obvious that the manipulation of the dryer is greatly facilitated by the structure employed. Since this structure is capable of a certain range of change and modification without materially departing from the spirit of the invention, I do not limit myself to such specific structure except as hereinafter claimed.
I claim: 1. In a drying tumbler, a casing, hollow trunnions rotatably mounted in opposed walls of the casing, solid drum ends sup- Sill lll)
ported from said trunnions, false drum ends supported from said solid drum ends and having solid portions opposing the hollow trunnions and perforated portions outwardly of said solid portions, members connecting said drumcnds and supporting a perforated drum wall land means for introducing a blast of air through said hollow trunnions.
2. In a drying tumbler, a casing, hollow trunnions rotatably -mounted in opposed walls of the casing, solid drum ends supported from said trunnions, false drum ends supported from said solid drum ends and having solid portions opposing the hollow trunnions and perforated portions outwardly of said solid'portions, members connecting said drum ends and supporting a perforated drum wall, means for introducing a. blast of air through said hollow trunnions llo and means for regulating the tempera-ture of means for introducing which extends through the wall of the casa casing within 'which the drum is mounted, said drum having trunnions at. least one of which extends through the wall of the casing, a gear secured to said trunnion, means for rotating the gear to thereby rotate the drum,
-, ported from said trunnions, false drum ends supported from said solid drumends and having solid portions opposing the hollow trunnions and perforated portions outwardly of said solid portions, bars `connecting said `drum ends and supporting a perforated peripheral drum wall, saidv bars being hollow and having openings formed therein and a blast of air through said hollow trunnions.
5. In a drying tumbler, a casing, hollow. trunnions rotatably mounted in opposed walls of the casing, ,solid drum ends supported from said trunnions, false drum ends supported from said solid drum ends and having solid portions opposing the hollow trunnions and perforated portions outwardly of said solid portions, bars connecting said drum ends and supporting a perforated peripheral drum wall, said bars being hollow and having openings formed therein, means for introducing a blast of air through said hollow trunnions, and means for controlling the temperature of the blast of air so introduced.
(5. In a drying tumbler, a rotatable drum, a casing within which the drum is mounted, said drum having trunnions at least one of ing, a casting shiftable upon the casing wall toward and away from the axis of the drum, a shaft supported by the casting and n one position thereof having driving engagement with said trunnion, means for braking rotation of said shaft and means for manually rotating said shaft.
7. In a drying tumbler, a rotatable drum, a casing within which the drum is mounted, said drum having trunnions at least one of which extends through ythe wall ofthe casing, a casting shif able upon the casing wall toward and away from theiaxis of the(drum,
`a sha-ft supportedby the casting and in one position thereof having driving engagement with said trunnion, means for brakinv rotation of said shaft or for locking saida shaft against rotation and means 'for vmanually rotating said shaft.
8. In a drying tumbler, a rotatabledrum, a
casing therefor, means for causing a circulation ofv air through vthe drum including a fan .having its linlet in communication with the drum andmeans'controlling the temperature of air delivered by the. fan to the drum including a pair of chambers, heating elements Vin one of said chambers, an inlet for each chamber,l an opening connecting the chambers, n an outlet for the other of the lchambers communicating with the fan and doors for controlling the inlet of the last named chamber and the opening connecting the chambers.
9. In a drying tumbler, a rotatable drum, aY casing therefor, means for causing a circulation of air through the drumincluding a fan having its inlet in communication with the drum and means controlling the temperature of air delivered by the fan to the .drum including a pair of chambers, heating lelements in one of said chambers', an inlet for each chamber, an opening connecting the chambers, an outlet for the other of the chambers communicating withthe fan,doors for controlling the inlet'of the last named chamber and the opening connecting thc chambers, said doors moving oppositly to closed position and a connection between the doors whereby they move unison.
10. In a drying tumbler, a rotatable drum,
ya casing therefor, means for causing a circulation of air through the drum including a 'fan having its inlet in communication with the drum and means controllingthe temperaturey of air delivered by the fan to the ldrum including a pair of chambers, heating elements in one of said chambers, an inlet for each chamber, an opening connecting the chambers, an outlet for the otherof the chambers communicating with the fan, doors for controlling the inlet of the last named chamber and the opening connecting the chambers, said doors moving oppositely to yclosed position, a connection between the doors whereby lthey move lin unison, and means for maintaining one of the doors in adjusted positions.
ll. 'In a drying tumbler, a rotatable drum, a'lcasing within which the drum is mounted, said drum having trunnions at least one of lwhich extends through the wall of the casing, a gear upon said trunnions and secured thereto, aveasting shiftable uponv the casing wall toward and away from the axis of the drum, a shaft supported by and held against longitudinal movement with relation to the casting, means carried by the Acasting and operatively connecting the shaft and gear in one position of the casting, means for braking rotation of the shaft ifa and means for manually rotating said shaft.
12. In a drying tumbler, a rotatable drum,
a lcasing within which the drum is' mounted, said'drum having trunnions at least one of which extends through the wall of thecasing, a gear upon said trunnions and secured thereto, a casting shiftable upon the casing l" which extends through the wall of the cas- Wall toward and away trom the axis of the drum, a shaft supported by and held against longitudinal movement with relation to the casting, means carried by the casting and operatively connecting the shaft and gear in one position of the casting, means for braking rotation of the shaft and means for manually rotating saitl shaft, saiil means being oliierable'to look the shaftantl casting against movements toward and away l' rom the axis of the drum.
1?. In a drying tumbler. a rotatable drum', a easing within which the (lrum is mounted. sai l (li-um having trunnions at least one of ing, a gear upon said trunnions` and secured thereto, a casting shiftable upon the casing wall toward and away from the axis of the drum, a shaft supported by and held against longitudinal movement with relation to the casting, means carried by the casting and operatively connecting the shaft and gear in one position of the casting, a splitl bearing stationary with relation to the casing in which said shaft is sliilable and rotatable and a lever operable to clamp the .sei-tions of the bearing upon the shaft.
.1n testimony whereof I hereunto affix my signature.
JOHN W. SEFERT.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US216437A US1655514A (en) | 1927-08-30 | 1927-08-30 | Drying tumbler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US216437A US1655514A (en) | 1927-08-30 | 1927-08-30 | Drying tumbler |
Publications (1)
Publication Number | Publication Date |
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US1655514A true US1655514A (en) | 1928-01-10 |
Family
ID=22807054
Family Applications (1)
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US216437A Expired - Lifetime US1655514A (en) | 1927-08-30 | 1927-08-30 | Drying tumbler |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2438995A (en) * | 1943-09-02 | 1948-04-06 | Elbridge W Forney | Drying machine of the air circulating, rotary drum, and enclosing casing type |
US2443419A (en) * | 1946-11-26 | 1948-06-15 | Edward R Gould | Laundry drying machine having plural compartments and a central air tube |
US2570437A (en) * | 1945-10-03 | 1951-10-09 | Ellis Drier Company | Drying tumbler having operation sequence controls |
US2670549A (en) * | 1951-10-03 | 1954-03-02 | Hamilton Mfg Co | Laundry drier |
US2942353A (en) * | 1956-12-11 | 1960-06-28 | Westinghouse Electric Corp | Apparatus for drying fabrics |
US3645010A (en) * | 1970-08-03 | 1972-02-29 | Matsushita Electric Ind Co Ltd | Clothes drier |
US20040261288A1 (en) * | 2003-06-30 | 2004-12-30 | Beyerle Michael Thomas | Clothes dryer drum projections |
US20070068034A1 (en) * | 2004-06-05 | 2007-03-29 | Kim Chang W | Drum of laundry dryer |
US20080005925A1 (en) * | 2006-07-06 | 2008-01-10 | Silvano Fumagalli | Basket for washing machine, washer-dryer, and the like |
-
1927
- 1927-08-30 US US216437A patent/US1655514A/en not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2438995A (en) * | 1943-09-02 | 1948-04-06 | Elbridge W Forney | Drying machine of the air circulating, rotary drum, and enclosing casing type |
US2570437A (en) * | 1945-10-03 | 1951-10-09 | Ellis Drier Company | Drying tumbler having operation sequence controls |
US2443419A (en) * | 1946-11-26 | 1948-06-15 | Edward R Gould | Laundry drying machine having plural compartments and a central air tube |
US2670549A (en) * | 1951-10-03 | 1954-03-02 | Hamilton Mfg Co | Laundry drier |
US2942353A (en) * | 1956-12-11 | 1960-06-28 | Westinghouse Electric Corp | Apparatus for drying fabrics |
US3645010A (en) * | 1970-08-03 | 1972-02-29 | Matsushita Electric Ind Co Ltd | Clothes drier |
US20040261288A1 (en) * | 2003-06-30 | 2004-12-30 | Beyerle Michael Thomas | Clothes dryer drum projections |
US7627960B2 (en) * | 2003-06-30 | 2009-12-08 | General Electric Company | Clothes dryer drum projections |
US20070068034A1 (en) * | 2004-06-05 | 2007-03-29 | Kim Chang W | Drum of laundry dryer |
US7836607B2 (en) * | 2004-06-05 | 2010-11-23 | Lg Electronics Inc. | Drum of laundry dryer |
US20080005925A1 (en) * | 2006-07-06 | 2008-01-10 | Silvano Fumagalli | Basket for washing machine, washer-dryer, and the like |
US7661203B2 (en) * | 2006-07-06 | 2010-02-16 | Candy S.P.A. | Basket for washing machine, washer-dryer, and the like |
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