US3551922A - Fastener-concealing toilet seat hinge post - Google Patents

Fastener-concealing toilet seat hinge post Download PDF

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Publication number
US3551922A
US3551922A US716563A US3551922DA US3551922A US 3551922 A US3551922 A US 3551922A US 716563 A US716563 A US 716563A US 3551922D A US3551922D A US 3551922DA US 3551922 A US3551922 A US 3551922A
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United States
Prior art keywords
hinge post
fastener
counterbore
cover plate
concealing
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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 - Lifetime
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US716563A
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Robert E Watson
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Swedish Crucible Steel Co
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Swedish Crucible Steel Co
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Priority to US71656368A priority Critical
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • F16B37/14Cap nuts; Nut caps or bolt caps
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00Seats or covers for all kinds of closets
    • A47K13/24Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
    • A47K13/26Mounting devices for seats or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B29/00Screwed connection with deformation of nut or auxiliary member while fastening

Abstract

THIS TOILET SEAT HINGE POST HAS A COUNTERBORE FOR THE HEAD OF ITS FASTENER CONCEALED BY A COVER PLATE EXTENDING OVER THE COUNTERBORE AND HAVING PROJECTIONS FRICTIONALLY ENGAGING RECESSES ADJACENT THE COUNTERBORE TO RELEASABLY HOLD THE COVER LATE IN ITS CLOSING POSITION. ONE SUCH COVER PLATE HAS SUCH A PROJECTION NEAR ITS UPPER END AND HAS AN ELONGATION OF THE PLATE EXTENDING AROUND AND BENEATH THE HINGE POST WHERE IT IS APERTURED FOR THE PASSAGE OF THE FASTENER. THIS HINGE POST IS ESPECIALLY SUITABLE FOR INSTALLATION ON MODERN TOILET BOWLS USING TOP-INSERTED FASTENERS WHERE THE SPACE BENEATH THE REARWARD PLATFORM IS INADEQUATE TO RECEIVE A WRENCH FOR TIGHTENING THE NUT ON THE LOWER END. THE CONCEALMENT OF THE FASTENER AND ITS COUNTERBORE BY THE COVER PLATE OF THE PRESENT INVENTION ENHANCES THE CLEANLINESS AND SANITARY CONDITION OF THE HINGE POST, RENDERS IT EASY TO MAINTAIN IN A CLEAN CONDITION, AND ALSO ENHANCES THE APPEARANCE OF THE HINGE POST.

Description

Jan. 5, 1971 R. E. WATSON FASTENER-CONCEALING TOILET SEAT HINGE POST Filed March 27, 1968 FIG. I
R O T N E v m ROBERT E. WATSON ATTORNEYS United States Patent 3,551,922 FASTENER-CONCEALING TOILET SEAT HINGE POST Robert E. Watson, Farmington, Mich., assignor to Swedish Crucible Steel Company, Detroit, Mich., a corporation of Michigan Filed Mar. 27, 1968, Ser. No. 716,563 Int. Cl. A47k 13/12 U.S. Cl. 4240 2 Claims ABSTRACT OF THE DISCLOSURE This toilet seat hinge post has a counterbore for the head of its fastener concealed by a cover plate extending over the counterbore and having projections frictionally engaging recesses adjacent the counterbore to releasably hold the cover plate in its closing position. One such cover plate has such a projection near its upper end and has an elongation of the plate extending around and beneath the hinge post where it is apertured for the passage of the fastener. This hinge post is especially suitable for installation on modern toilet bowls using top-inserted fasteners where the space beneath the rearward platform is inadequate to receive a wrench for tightening the nut on the lower end. The concealment of the fastener and its counterbore by the cover plate of the present invention enhances the cleanliness and sanitary condition of the hinge post, renders it easy to maintain in a clean condition, and also enhances the appearance of the hinge post.
In the drawings,
FIG. 1 is a top plan view of a fastener-concealing toilet seat hinge post, according to one form of the invention;
FIG. 2 is a vertical section taken along the line 22 in FIG. 1;
FIG. 3 is a bottom plan view of the cover plate of FIG. 1, before bending;
FIG. 4 is a side elevation of the cover plate of FIG. 3 after bending;
FIG. 5 is a central vertical section similar to that of FIG. 2 but showing a modified fastener-concealing toilet seat hinge post;
FIG. 6 is a top plan view of the cover plate shown in FIG. 5;
FIG. 7 is a side elevation thereof; and
FIG. 8 is a central vertical section through a still further modification of the construction shown in FIGS. 2 and 5.
Referring to the drawing in detail, FIG. 1 shows a fastener-concealing toilet seat hinge post, generally designated 10, as consisting generally of the hinge post 12 itself and a cover plate or fastener-concealing plate 14. The hinge post 12 is one of an oppositely-facing pair and consists of a hinge post body 15 including a base 16 (FIG. 2) adapted to engage and rest upon the rearward platform 18 of a toilet bowl (not shown) and upwardly and forwardly inclined arm 20 terminating at its upper end in a partially cylindrical head 22 having a hinge pin 24 (FIG. 1) projecting laterally from one side thereof. The components 16, 20, 22 and 24 of the hinge post 12 are preferably molded integral with one another from any suitable synthetic plastic material well-known to those skilled in the manufacture of toilet seats.
The hinge post 12 has a bore 26 with a counterbore 27 above it for the reception of the threaded shank 28 and head 30 of a threaded fastener 32 of the so-called top-inserted type (FIG. 2). Cooperating with the fastener 32 is an expansible nut 34 consisting of a tubular internally-threaded insert 36 seated in an approximately 3,551,922 Patented Jan. 5, 1971 cylindrical casing 38 of elastic deformable material, such as synthetic rubber. The rearward toilet bowl platform 18 is provided with laterally-spaced holes 40, only one of which is shown in FIG. 2 and the expansible nut 34 is of sufficiently small diameter to be capable of being pushed through the hole 40 from above. The fastener 32 and expansible nut 34 together constitute a top-insertable fastener unit, generally designated 42. It is especially useful and, indeed, often necessary where the space beneath the rear platform 18 of the toilet bowl is occupied by other equipment such as odor absorbers, which prevent the insertion and use of a wrench for tightening the conventional nut, even where such a nut can be installed from beneath the platform 18. When the fastener 32 is tightened from above by means of a screw driver nserted in the slotted head 30 the lower end of the casing 38 bulges outward so as to prevent upward movement thereof through the hole 40.
Extending upward from the counterbore 27 (FIG. 2) in an inclined direction is a recess in the form of an elongated parallel-sided slot or notch 44 which snugly receives a correspondingly-shaped projection or lug 46 on the under side 48 of the cover plate 14. The major portion of the recess 44 and the entire lug 46 are truncated triangular outline and have parallel side surfaces so as to iuterfit tightly with one another. The lug 46 projects downward from the bottom surface 48 of the main portion 50 of the cover plate 14 and the main portion 50 has a tongue 52 coextensive therewith. The tongue portion 52 is provided with a hole 54 for the passage of the shank 28 of the fastener 32 and spaced away from it an additional projection or lug 56 of circular cross-section adapted, when the cover plate 14 is bent as shown in FIG. 2, to fit snugly into a correspondingly-shaped additional recess 58 in the undercut bottom surface or portion 60 of the base 16. The cover plate 14 is preferably formed of polypropylene plastic which is easily bent and can be flexed indefinitely without cracking or breaking. The tongue 52 is narrower than the body portion 54 of the cover plate 14 and meets it at shoulders 62. The casing 38 of the expansible nut 34 is provided at the top thereof with an integral flange (not shown) which during installation is drawn downward into the rounded top portion of the hole 40 and compressed laterally to fit therein.
In the installation of the cover plate 14, the tongue 52 is first placed against the recessed bottom surface 60 of the hinge post base 16 with the lug 56 forced snugly into the recess 58. The hinge post 14 is then placed on the toilet bowl platform 18 with its fastener bore 26 aligned with the hole 40. The expansible nut 34 is removed from the fastener 32 before the shank 28 thereof is inserted through the aligned holes 26 and 54. The expansible nut 34 is then rethreaded onto the shank 28 against the bottom of the tongue 52 and this assembly is then mounted on the rearward toilet bowl platform while the operator forces the casing 38 of the expansible nut 34 into the hole 40 in the toilet bowl platform. The operator then tightens the threaded fastener 32 by means of a screw driver. Whereupon the resilient casing .38 of the nut 34 is caused to bulge outward into the position shown by the dotted lines 3811 against the side walls of the platform hole 40 positively preventing Withdrawal of the fastener unit 42. The operator then bends the top portion 50 of the cover plate portion 14 upward around the rearward side and top of the hinge post 12 and forces the lug 46 tightly into the recess 44, completely concealing the counterbore 27 and the head 30 of the fastener 32.
The modified hinge post 112 is similar in most respects to the hinge post 12 and similar parts are designed by the same reference numerals, increased by 100, for convenience of identification of such similar parts. The recess 144 near the head 122 is somewhat smaller than the corresponding recess 44 of FIG. 2 and an additional recess 158 is formed outward from one side of the counterbore 127 rather than in the bottom surface of the base 16 as in FIG. 2. The cover plate 114 is of rectangular outline and, instead of extending beneath the base 116 of the hinge post 112 terminates above it and has two downwardly-extending lugs 146 and 156 which are pressed snugly and tightly into the recesses 144 and 158 after the mounting procedures described above in connection with FIGS. 1 to 4 inclusive have been carried out.
The hinge post 212 shown in central vertical section in FIG. 8 is identical with the hinge post 112 shown in FIG. 5, except that the recesses 144 and 158 are omitted. The cover plate 214 has a main portion 250 similar to the main portion 150 of the cover plate 114 except that the pair of lugs 146 and 156 are omitted. In their place the main portion 250 is provided with a depending projection or lug 246 of hollow frusto-conical configuration adapted to snugly fit the tapered counterbore 227 in the hinge post body 215. The projection or lug 246 terminates above the head 30 of the fastener 32 so as to provide clearance therebetween.
The installation of the cover plate 214 follows the similar procedure to that described in the other forms of the invention in that the main portion 250 thereof is aligned with the top of the hinge post 112 and the projection 246 pushed downward into the counterbore 227 which it snugly fits. Thereafter, the cover plate 214 can be removed only by using force to pry the projection 246 out of frictional engagement with the counterbore 227. In all three forms of the invention, the cover plate 14, 114 or 214 is easily pried upward to give access to the head 30 of the fastener 32 if such access is required for repair or replacement purposes.
I claim:
1. A fastener-concealing hinge post adapted to be secured by a headed fastener to a toilet bowl, said hinge post comprising:
a hinge post body having a fastener bore therethrough adapted to receive the shank of the fastener and having a counterbore communicating with the upper end of said bore and adapted to receive the head of the fastener,
4 said body also having a recess therein disposed in proximity to said counterbore,
and a cover member extending over said counterbore in concealing relationship therewith and having a projection snugly fitting into said recess in frictional gripping engagement therewith,
said body having an additional recess therein disposed remote from said first-mentioned recess and said cover member having a fastener hole therethrough aligned with said fastener bore and having an additional projection disposed remote from said first-mentioned projection and snugly fitting said additional recess in frictional gripping engagement therewith,
said additional recess and said additional projection and said hole being disposed beneath said hinge post body and said cover member extending from beneath said hinge post body around one side thereof and over the top thereof.
2. A fastener-concealing hinge post, according to claim 1, wherein said hinge post body has an undercut portion in the bottom thereof and wherein the portion of said cover member beneath said hinge post body and containing said hole extends beyond said bore and is disposed within said undercut portion.
References Cited UNITED STATES PATENTS 3,449,774 6/ 1969 Wilham -70X FOREIGN PATENTS 1,393,446 2/1965 France 85S5 258,673 4/1965 Australia 4-236 LAVERNE D. GEIGER, Primary Examiner R. J. SHER, Assistant Examiner U.S. Cl. X.R. 4236; 85-70
US716563A 1968-03-27 1968-03-27 Fastener-concealing toilet seat hinge post Expired - Lifetime US3551922A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768117A (en) * 1970-02-02 1973-10-30 Swedish Crucible Steel Co Side-pivoted self-contained fastener-concealing hinge leaf
US3805306A (en) * 1970-04-20 1974-04-23 American Standard Inc Toilet seat cover mounting
US4087884A (en) * 1977-02-03 1978-05-09 Abe Seiderman Lateral extension bowl attachment device for adapting standard relatively hinged toilet seat and cover assemblies for use with non-standard bowls
US4315338A (en) * 1980-07-25 1982-02-16 Beatrice Foods Co. Toilet hinge arrangement
US4391001A (en) * 1982-09-15 1983-07-05 Beatrice Foods Co. Soft toilet seat and hinge connector
US4416048A (en) * 1981-11-30 1983-11-22 Bemis Manufacturing Company Toilet seat mounting arrangement
US4820096A (en) * 1987-09-14 1989-04-11 Dal-Tex Specialty & Mfg. Co. Nut apparatus
EP0345835A1 (en) * 1988-06-08 1989-12-13 IDEAL STANDARD S.p.A. Device for fixing cover elements to sanitary appliances, particularly water closet pans
WO1990015565A1 (en) * 1989-06-14 1990-12-27 Noetzold Norbert Connector between a toilet seat/cover and the toilet bowl
US5112175A (en) * 1990-11-06 1992-05-12 Odl, Incorporated Screw hole plug
FR2703578A1 (en) * 1993-03-23 1994-10-14 Saniplast Spa Hinge for fitting a seat and lid assembly to a toilet bowl
US5470184A (en) * 1994-01-14 1995-11-28 Chandler; Charles W. Screw hole plug
US5573361A (en) * 1993-06-03 1996-11-12 Ford Motor Company Socket closure arrangement for a socket in an article
US20050095081A1 (en) * 2003-11-04 2005-05-05 Tu Ying L. Expandable screw cover
US6931672B1 (en) * 2003-05-08 2005-08-23 Milton Richter Bolt assembly for toilet seats
US20060045651A1 (en) * 2004-01-09 2006-03-02 Fih Co., Ltd Expandable screw cover
EP1857030A1 (en) * 2005-03-07 2007-11-21 Inax Corporation Connecting member for warm water washing toilet seat device
GB2533834A (en) * 2015-07-17 2016-07-06 Devetta Michael Locator
US20160338555A1 (en) * 2015-05-19 2016-11-24 Etablissements Dubourgel Grange Device for fastening a toilet seat which can be rapidly fitted/removed
US20180245513A1 (en) * 2017-02-24 2018-08-30 Safran Aircraft Engines Plug for rotating inlet cowl of a turbo machine including an aerodynamic external wall and a cone attachment element
US20180355796A1 (en) * 2017-06-12 2018-12-13 General Electric Company Fastener cover for flowpath fasteners

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768117A (en) * 1970-02-02 1973-10-30 Swedish Crucible Steel Co Side-pivoted self-contained fastener-concealing hinge leaf
US3805306A (en) * 1970-04-20 1974-04-23 American Standard Inc Toilet seat cover mounting
US4087884A (en) * 1977-02-03 1978-05-09 Abe Seiderman Lateral extension bowl attachment device for adapting standard relatively hinged toilet seat and cover assemblies for use with non-standard bowls
US4315338A (en) * 1980-07-25 1982-02-16 Beatrice Foods Co. Toilet hinge arrangement
US4416048A (en) * 1981-11-30 1983-11-22 Bemis Manufacturing Company Toilet seat mounting arrangement
US4391001A (en) * 1982-09-15 1983-07-05 Beatrice Foods Co. Soft toilet seat and hinge connector
US4820096A (en) * 1987-09-14 1989-04-11 Dal-Tex Specialty & Mfg. Co. Nut apparatus
EP0345835A1 (en) * 1988-06-08 1989-12-13 IDEAL STANDARD S.p.A. Device for fixing cover elements to sanitary appliances, particularly water closet pans
WO1990015565A1 (en) * 1989-06-14 1990-12-27 Noetzold Norbert Connector between a toilet seat/cover and the toilet bowl
DE3919408A1 (en) * 1989-06-14 1991-01-24 Norbert Noetzold CONNECTING ELEMENT BETWEEN THE WC SEAT COVER AND THE WC BASIN
US5112175A (en) * 1990-11-06 1992-05-12 Odl, Incorporated Screw hole plug
FR2703578A1 (en) * 1993-03-23 1994-10-14 Saniplast Spa Hinge for fitting a seat and lid assembly to a toilet bowl
US5573361A (en) * 1993-06-03 1996-11-12 Ford Motor Company Socket closure arrangement for a socket in an article
US5470184A (en) * 1994-01-14 1995-11-28 Chandler; Charles W. Screw hole plug
US6931672B1 (en) * 2003-05-08 2005-08-23 Milton Richter Bolt assembly for toilet seats
US20050095081A1 (en) * 2003-11-04 2005-05-05 Tu Ying L. Expandable screw cover
US20060045651A1 (en) * 2004-01-09 2006-03-02 Fih Co., Ltd Expandable screw cover
EP1857030A1 (en) * 2005-03-07 2007-11-21 Inax Corporation Connecting member for warm water washing toilet seat device
EP1857030A4 (en) * 2005-03-07 2014-05-07 Lixil Corp Connecting member for warm water washing toilet seat device
US20160338555A1 (en) * 2015-05-19 2016-11-24 Etablissements Dubourgel Grange Device for fastening a toilet seat which can be rapidly fitted/removed
US9833114B2 (en) * 2015-05-19 2017-12-05 Etablissements Dubourgel Grange Device for fastening a toilet seat which can be rapidly fitted/removed
GB2533834A (en) * 2015-07-17 2016-07-06 Devetta Michael Locator
WO2017013415A1 (en) * 2015-07-17 2017-01-26 Michael Devetta Locator
GB2533834B (en) * 2015-07-17 2017-11-08 Devetta Michael Locator
US20180245513A1 (en) * 2017-02-24 2018-08-30 Safran Aircraft Engines Plug for rotating inlet cowl of a turbo machine including an aerodynamic external wall and a cone attachment element
US10487736B2 (en) * 2017-02-24 2019-11-26 Safran Aircraft Engines Plug for rotating inlet cowl of a turbo machine including an aerodynamic external wall and a cone attachment element
US20180355796A1 (en) * 2017-06-12 2018-12-13 General Electric Company Fastener cover for flowpath fasteners
US10502133B2 (en) * 2017-06-12 2019-12-10 General Electric Company Fastener cover for flowpath fasteners

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