US2824313A - Electric toilet seat exhaust ventilator - Google Patents

Electric toilet seat exhaust ventilator Download PDF

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Publication number
US2824313A
US2824313A US431118A US43111854A US2824313A US 2824313 A US2824313 A US 2824313A US 431118 A US431118 A US 431118A US 43111854 A US43111854 A US 43111854A US 2824313 A US2824313 A US 2824313A
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unit
seat
toilet
exhaust
toilet seat
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US431118A
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Richard L Bulow
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Richard L Bulow
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/04Special arrangement or operation of ventilating devices
    • E03D9/05Special arrangement or operation of ventilating devices ventilating the bowl
    • E03D9/052Special arrangement or operation of ventilating devices ventilating the bowl using incorporated fans

Description

Feb. 25, 1958 R. L. BULOW 2,824,313
ELECTRIC TOILET SEAT EXHAUST VENTILATOR Filed May 20, 1954 5 Sheets-Sheet 1 2 v km:
y, L. w
. v INVENTOR.
Feb. 25,1958 R. L. BULOW 2,824,313
ELECTRIC TOILET SEAT EXHAUST VENTILATOE Filed May 20, '1954 i 5 Shets-Sheet 2 C ATTORNEY YI j Feb. 25, 1958 R. BULQW ELECTRIC TOILET SEAT EXHAUST VENTILATOR 5 Shee ts-S heet 3 Filed May 20, 1954 v v I IAWENTOR 31 9 -5 ATTORNEY Feb. 25, 1958 R. 1.. BULOW ELECTRICyTOILET SEAT EXHAUST VENTILATOR 5 Sheets-Sheet 4 Filed May 20, 1954 w N\\\\\\ HJ I I ll .1] I
TTORNEY Feb. 25, 1958 1 R. L. BULOW 'ELECTRIC TOILET SEAT EXHAUST VENTILATOR 5 Sheets-Sheet 5 Filed May 20, 1954 mun/ ' INVENTOR.
A T TOR NEY 824,313 ELECTRIC TOILET SEAT EXHAUST VENTILATOR Richard L. Bulow, Royal Oak, Mich.
Application May 20, 1954, Serial No. 431,118
1 Claim. c1. 4-213 The object of my invention is to produce a toilet ventilating system for connecting the toilet bowl directly with an outside exhaust ventilator, completely under power control, and operative automatically only when the toilet is in use. v
Another object is to produce an electric toilet exhaust ventilator that is simple in construction, easily and efiiciently installed and operated, and that can be manufactured at a very low cost.
The objects are attained in the. preferred form by the construction and arrangement of parts as are more fully hereinafter set forth.
Similar parts on all drawings are marked by similar numerals or letters.
Fig. l is an elevation view of the assembled toilet ventilating system, showing the general arrangement of the connected units and operatingmechanism.
Fig. 2 is a top view of the assembled toilet and ventilating units, showing the relative position of the various operating parts.
Fig. 3 is a bottom view of the toilet seat taken on the line 3-3 of the Fig. 1, showing the ventilator intake ports and the support and control means.
Fig. 4 is a vertical sectional view taken on the line 44 of the Fig. 2, showing the design of the toilet seat hollow ventilating frame and'the detachable base plate mounted thereon.
Fig. 5 is a vertical sectional view taken on the line 5-5 of the Fig. 2, showing the chambered seat outlet ventilatnig tubes and electric control unit.
Fig. 6 is a cross-sectional View of the toilet seat frame taken on the line 6-6 of the Fig. 2, showing the seat chamber formation, and spring support and control means for automatically disconnecting the electric power circuit when not in use.
Fig. 7 is a side elevation of the power exhaust unit as installed within a hollow building partition wall adjacent the ventilated toilet unit.
Fig. 8 is a front view of the combination motor-fan unit with the casing wall cap removed as taken on the line 8-8 of the Fig. 7, showing the relative poistion of the compound motor-fan unit, and exhaust passage leading therefrom.
Fig. 9 is a top view of the motor-fan exhaust unit as mounted within a retaining wall, showing the relative position therein, and the electric power cable connections.
In general my device is a hollow, perforated toilet seat unit hingedly mounted on adjustable tubular support units opening therein and also connected to an electric power fan exhause system mounted within an adjacent wall recess leading to an outdoor ventilator.
I will now describe more fully the detail construction of my device, referring to the drawings and the marks thereon,
The Fig. l of the drawings, illustrates the outlines of a standard toilet unit A and water supply tank as used therewith, in its installed position adjacent an ordinary hollow partition wall.
.nited States Patent 2,824,313 Patented Feb. 25, 1958 My invention is confined solely to the special toilet seat and connected wall ventilator exhaust system, but in no way interferes with the ordinary toilet unit use, or operation.
The unit design herein illustrated is especially adapted for construction of plastic, or similar materials, although it is to be understood applicable to any suitable material adaptable to the required design formation.
The toilet seat assembly, as illustrated in the Figs. 1 and 2 of the drawings, is formed of the ordinary standard exterior shape and design, comprising a seat unit 1, and cover unit 2 hingedly mounted thereon at the back end, by ordinary hinge units 3 rigidly projected from the seat upper wall. The cover 2 is preferably made of the hol low design, as illustrated in the Fig. 4 of the drawings, and is provided with the usual resilient contact buttons 10, for noiseless contact with the seat unit in closing therewith, as in the ordinary construction.
The seat unit 1 is preferably oval in exterior design, formed with a similar central oval opening a symmetrically positioned therein, and is provided with an extended parallel wall hinge block b projected from the back end thereof, the entire unit being constructed hollow throughout, forming an inner air ventilating chamber 0 therein. The hinge block b is enlarged at the outer end and is formed with cylindrical bearing openings d through opposite side walls, cross-wise thereof, positioned at right angles to the seat centerline, and opening into the ventilating chamber 0. ithin the seat bottom edges e and f are formed central flange grooves 4 and 5 extending the full edge lengths completely surrounding said unit edges. A thin base plate 6 of exact seat unit exterior design, is fixedly mounted beneath said hollow seat chamber 0 and joined to the seat edges 2 and f by projected base flanges g and it formed symmetrically therewith, thus in closing and sealing the ventilating chamber 0, said base plate 6 being fixedly attached thereto by an extended seat end flange k and by special release snap hooks 7 attached to said seat inner chamber walls. The base plate 6 is designed with special air intake openings 8 formed therethrough, preferably positioned near the seat inner opening a. The base plate is also provided with a thumb recess 9 positioned near the snap hooks 7, for easily removing said plate when necessary. Within the hinge block b is mounted on open electric contact switch unit 11, fixedly attached to the recess end wall, designed with a contact button 12 projected from the bottom wall thereof, and extended through the seat base plate 6, engageable with the toilet bowl edge, as is illustrated in the Figs. 1 and 4 of the drawings, said switch unit 11 being connected within an electric circuit by the terminal cord wire 13 leading to the exhaust power unit B, and connected power wall plug.
Through opposite seat bearing openings d are mounted tubular bearing units 14, each fixedly mounted within a circular support collar 15, supported by fixedly attached mounting rods 16 positioned at right angles to the collar center-lines. Both mounting rods 16 are slidably mounted through vertical slide bearings 17 rigidly clamped to the toilet A Walls, as illustrated in the Fig. 5, and provide adjustable hinge support means for the chambered seat unit 1. Resilient contact buttons 18, preferably rubber, are fixedly mounted on the forward end of the seat base, designed and positioned to engage the toilet bowl A edges at all times. Also spring contact buttons 19 are adjustably mounted near the back base plate edge, projected therethrough, allowing said seat unit to depress slightly when weight is placed thereon, and automatically depress the switch contact button 12, closing the terminal switch 11 controlling the exhaust unit B.
The preferred exhaust unit B is an assembly formed of a standard combination pancake motor-fan unit C now in common use (or any other similar unit). This combination motor-fan assembly comprises a small, thin motor ,unit 20 mounted within a supporting casing 21 suitable for installation within a building partition wall, said motor being inclosed by a squirrel cage type of exhaust fan unit 22 also mounted on the same drive shaft, as illustrated in the Fig. 7 of the drawings. The air intake 23 leading into the, fan unit is centrally located on the motor side wall, preferably through a special wall cap plate 24, and enters the exhaust fan 22 around the motor outer edge, the air being discharged therefrom through the outlet duct 25 mounted on the fan casing circumference and extended up through the partition wall recess leading to an outdor discharge outlet. The air intake 23 is connected to the seat tubular bearing unit 14 by connected flexible dual pipe sections 26 mounted therebetween, as illustrated in the Figs. 1 and 2 of the drawings, and with the electric cable 13 electrically connected to both the motor 20 and extended to the electric power source through the attached wall plug unit 27, operative whenever weight is added to the toilet seat assembly, depressing same and closing the control switch 11.
While I have illustrated my device with the exhaust unit B mounted within a vertical side wall recess, it is to be understood that the exhaust unit may also be readjusted for mounting within the floor recess beneath the toilet unit A equally as well, and the flexible pipe units 26 displaced to enter inside the toilet walls through special side openings 28, as indicated in the Fig. 1, and projected downward to the exhaust intake 23 as in the former case, the operation is exactly the same as previously described. In some cases the outlet pipes 26 may be substituted with special channel recesses 29 formed directly within the toilet unit, as isillustrated in the Fig. 1 of the drawings.
Having fully described my electric toilet seat exhaust ventilator, what I claim as my invention and desire to secure by letters patent is:
I claim:
An electric toilet seat exhaust unit ventilator adapted for air ventilation of a toilet unit, and used therewith, comprising a hollow, recessed, oval shaped toilet seat unit formed with a projected hollow end hinge block thereon, tubular hinge bearing units mounted cross-wise through said projected hollow hinge block and opening therein, vertical adjustable bearing units fixedly mounted over said tubular bearing units and slidably mounted in the adjacent toilet unit walls, an open push button electric switch fixedly mounted within said seat hinge block projection, engageable with the toilet wall, a perforated base plate fixedly mounted over said hollow seat recess forming an air ventilation chamber throughout, flexible air outlet tubes mounted on the said tubular bearing units, an electric motor-fan air exhaust unit fixedly mounted within an adjacent building Wall recess opening and connected to said flexible air outlet tubes leading to the seat chamber, an air exhaust outlet passage channel mounted within the building wall and connected to the exhaust unit outlet, electric cable means for operatively connecting the exhaust motor with an electric power source through the push button control switch unit when the toilet seat is depressed in use, and spring release button means mounted on the seat base, engageable with the toilet walls, for raising said toilet seat and for opening said electric control switch when not in use.
References Cited in the file of this patent UNITED STATES PATENTS 988,273 Levenhagen et al. Mar. 28, 1911 1,614,622 Mahnken Jan. 18, 1927 1,666,645 Norris Apr. 17, 1928 1,673,915 Lowe June 19, 1928 1,883,406 Ronning Oct. 18, 1932 1,997,695 Nielsen et a1. Apr. 16, 1935 2,058,436 Friel Oct. 27, 1936 2,072,493 Beard Mar. 2, 1937 2,079,733 Cummings May 11, 1937 2,110,956 Horbetz Mar. 15, 1938 2,122,687 Herrmann July 5, 1938 2,171,903 St. Aubin Sept. 5, 1939 2,181,510 Dahlke Nov. 28, 1939 2,190,068 Henschler Feb. 13, 1940 2,227,920 Baither Jan. 7, 1941 2,279,870 Johnson et al Apr. 14, 1942 2,575,778 Wilson Nov. 20, 1951
US431118A 1954-05-20 1954-05-20 Electric toilet seat exhaust ventilator Expired - Lifetime US2824313A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230551A (en) * 1963-03-25 1966-01-25 Ruben A Kopp Toilet bowl ventilating apparatus
US3953901A (en) * 1974-02-11 1976-05-04 Pk Products/Inc. Toilet stool ventilating means
US4103370A (en) * 1976-09-13 1978-08-01 Arnold Douglas L Odorless water closet
FR2618816A1 (en) * 1987-07-27 1989-02-03 Arvinte Mircea Air-purifying equipment usable on all WC seats
US5136730A (en) * 1990-08-22 1992-08-11 Enzo Casale Lavatory pan seat
US5590423A (en) * 1995-12-13 1997-01-07 Boykin; Dwight L. Commode odor extractor
US5857222A (en) * 1994-08-12 1999-01-12 O.T.T. (Australia) Pty Ltd Removal of odors from toilets
US7165274B1 (en) * 2005-10-14 2007-01-23 Vilhauer Clarence G System for removing odor
WO2008039185A1 (en) * 2006-09-26 2008-04-03 Vilhauer Clarence G System for removing odor
US20090229045A1 (en) * 2008-03-11 2009-09-17 Ramon Ramos Toilet seat ventilation system
US8434170B1 (en) * 2009-03-04 2013-05-07 Ramon Ramos Toilet ventilation system

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US988273A (en) * 1908-03-04 1911-03-28 Fred Levenhagen Ventilator for closet-bowls.
US1614622A (en) * 1926-07-20 1927-01-18 Mahnken Frank Ventilated seat
US1666645A (en) * 1927-03-07 1928-04-17 Raymond F Bacon Recovery of camphor
US1673915A (en) * 1925-11-06 1928-06-19 Phenolic Products Corp Hinge construction for toilet seats and covers
US1883406A (en) * 1929-03-30 1932-10-18 Ronning Adolph Ventilator
US1997695A (en) * 1934-02-05 1935-04-16 Carl L C Nielsen Water closet ventilating device
US2058436A (en) * 1935-12-06 1936-10-27 James A Friel Self-ventilating toilet
US2072493A (en) * 1936-04-16 1937-03-02 Beard William Toilet ventilator
US2079733A (en) * 1936-04-11 1937-05-11 William C Cummings Ventilating mechanism for toilet bowls
US2110956A (en) * 1936-06-23 1938-03-15 John O Horbetz Commode
US2122687A (en) * 1936-05-15 1938-07-05 Herrmann William Ventilated toilet bowl
US2171903A (en) * 1938-01-10 1939-09-05 Aubin Emile St Ventilating device
US2181510A (en) * 1938-03-31 1939-11-28 Adolph R Dahlke Toilet ventilator
US2190068A (en) * 1938-05-13 1940-02-13 Henschler Ewald Lavatory device
US2227920A (en) * 1939-03-15 1941-01-07 Baither Harry Ventilated toilet
US2279870A (en) * 1940-06-07 1942-04-14 David V Johnson Ventilation of water closet bowls and seats
US2575778A (en) * 1945-08-21 1951-11-20 Theodore R Wilson Ventilated toilet

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US988273A (en) * 1908-03-04 1911-03-28 Fred Levenhagen Ventilator for closet-bowls.
US1673915A (en) * 1925-11-06 1928-06-19 Phenolic Products Corp Hinge construction for toilet seats and covers
US1614622A (en) * 1926-07-20 1927-01-18 Mahnken Frank Ventilated seat
US1666645A (en) * 1927-03-07 1928-04-17 Raymond F Bacon Recovery of camphor
US1883406A (en) * 1929-03-30 1932-10-18 Ronning Adolph Ventilator
US1997695A (en) * 1934-02-05 1935-04-16 Carl L C Nielsen Water closet ventilating device
US2058436A (en) * 1935-12-06 1936-10-27 James A Friel Self-ventilating toilet
US2079733A (en) * 1936-04-11 1937-05-11 William C Cummings Ventilating mechanism for toilet bowls
US2072493A (en) * 1936-04-16 1937-03-02 Beard William Toilet ventilator
US2122687A (en) * 1936-05-15 1938-07-05 Herrmann William Ventilated toilet bowl
US2110956A (en) * 1936-06-23 1938-03-15 John O Horbetz Commode
US2171903A (en) * 1938-01-10 1939-09-05 Aubin Emile St Ventilating device
US2181510A (en) * 1938-03-31 1939-11-28 Adolph R Dahlke Toilet ventilator
US2190068A (en) * 1938-05-13 1940-02-13 Henschler Ewald Lavatory device
US2227920A (en) * 1939-03-15 1941-01-07 Baither Harry Ventilated toilet
US2279870A (en) * 1940-06-07 1942-04-14 David V Johnson Ventilation of water closet bowls and seats
US2575778A (en) * 1945-08-21 1951-11-20 Theodore R Wilson Ventilated toilet

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230551A (en) * 1963-03-25 1966-01-25 Ruben A Kopp Toilet bowl ventilating apparatus
US3953901A (en) * 1974-02-11 1976-05-04 Pk Products/Inc. Toilet stool ventilating means
US4103370A (en) * 1976-09-13 1978-08-01 Arnold Douglas L Odorless water closet
FR2618816A1 (en) * 1987-07-27 1989-02-03 Arvinte Mircea Air-purifying equipment usable on all WC seats
US5136730A (en) * 1990-08-22 1992-08-11 Enzo Casale Lavatory pan seat
US5857222A (en) * 1994-08-12 1999-01-12 O.T.T. (Australia) Pty Ltd Removal of odors from toilets
US5590423A (en) * 1995-12-13 1997-01-07 Boykin; Dwight L. Commode odor extractor
US7165274B1 (en) * 2005-10-14 2007-01-23 Vilhauer Clarence G System for removing odor
WO2008039185A1 (en) * 2006-09-26 2008-04-03 Vilhauer Clarence G System for removing odor
US20090229045A1 (en) * 2008-03-11 2009-09-17 Ramon Ramos Toilet seat ventilation system
US8434170B1 (en) * 2009-03-04 2013-05-07 Ramon Ramos Toilet ventilation system

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