US1653514A - Glass-knob mounting - Google Patents
Glass-knob mounting Download PDFInfo
- Publication number
- US1653514A US1653514A US736946A US73694624A US1653514A US 1653514 A US1653514 A US 1653514A US 736946 A US736946 A US 736946A US 73694624 A US73694624 A US 73694624A US 1653514 A US1653514 A US 1653514A
- Authority
- US
- United States
- Prior art keywords
- knob
- shank
- lugs
- glass
- aperture
- 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 - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
- E05B1/0007—Knobs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/82—Knobs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/85—Knob-attaching devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T292/00—Closure fasteners
- Y10T292/85—Knob-attaching devices
- Y10T292/876—Wedge
Definitions
- This invention relates to door knobs and the like, and particularly to a mounting whereby a glass knob may be substantially supported upon, and rigidly secured to, a metallic shank.
- the invention embodies a glass knob having a central aperture formed therein, a tubular metallic shank adapted to be inserted in said aperture and to extend substantially therethrough, interlocking means on the exterior of the shank and in the interior of the aperture, whereby the knob and shank are secured against relative turning movement, and means for securing the shank and knob against endwise movement with relation to each other.
- Tgi 1 is a central longitudinal section of the s ank and knob showing the same assembled.
- Fig. 2 is a. cross-section of the knob.
- Fig. 3 is a perspective view of the shank.
- the knob has a central aperture formed therein as indicated at B, which extends compietel therethrough.
- This aperture tapers rom the exterior surface to the inner surface, as shown, and a plurality of lugs are formed on the interior surface of the aperture as indicated at 2.
- These lugs taper from end to end, due to the taper of the aperture 111 which they are formed, this taper being rovided for the purpose of permitting the inner faces 3 to present a substantially cylindrical surface of uniform diametervfrom end to end.
- the spaces formed between the In 5 are indicated at 4 and they are provided for the reception of interlocking means hereinafter to be described.
- the outer face of the knob is indicated at 5, and the inner face at 6.
- An enlarged recess is formed in the inner face as shown at 7, and a plurality of prismatic or V-shaped lugs are formed in the bottom of the recess as indicated at 8.
- These prismatic lugs serve thereby formin two functions, first, that of a biting frictlonal lock between a washer and lock-nut hereinafter to be described, and secondly, that of forming a series of refracting or reflecting surfaces, which ma be silverplated to serve as li ht reflecting surfaces.
- the metallic shanl employed is tubular in form as shown in Figs.
- the tubular shank is cut at a suitable number of places as indicated at 16 (see Fig. 3) and the metal is bent outwardly to form a number of prongs or key-way members 17, these prongs or keys being of a width to permit them to be interposed between the ln s 2 when the knob and shank are assemble
- the annular flange 12 serves two func tions, first, that of securing the knob against endwise movement on the tubular shank in one direction, and secondly, that of forming a securing means for a cap such as shown at 18, or a. partial closure cap such as shown at 19. (See Fig. 1).
- the device as constructed is assembled in the followin manner.
- the tubular shank shown in Fig. 3, with the washer and lock-nut removed, is inserted in the central aperture B of the knob, the prongs or keyway members 17 being so positioned as to pass downwardly between the lugs 2 and an interlock with the same.
- the lugs 2 are s ightl shorter than the aperture B, as shown in ig. 2, and shoulders or seats 20 are thus formed on their outer ends against which the annular flange, and the cap 18 or 19 secured thereto, engage.
- This engagement secures the knob agalnst endwise movement in one direction, and the interlocking of the lugs 2 and the prongs 17 secures the knob against turning movement about the shank.
- the resilient washer constructed of paper, fiber, rubber or the like, is then apphed over the threaded end of the shank, and next the nut 15. This nut is tightened up and the device as a whole is thus completely assembled.
- any suitable form of washer may be employed, but a resilient washer is preferable, as the mounting illustrated is preferably employed in connection with knobs that are constructed of glass, porcelain, and other similar fra ile materials. Any danger of fracturing t 1e material is thus avoided and a secure grip is obtained by the engagement of the washer with the prismatic lugs 8.
- These lugs may be silver-plated to form reflecting and refractin faces and such plating may also be applied to the interior surface of the aperture B and the In S 2.
- the side surfaces of the lugs are slight y angularly disposed and additional refractin and refiectin faces are thus obtained, w ich give the mob an exceedingly brilliant appearance when it is constructed of clear glass.
- the means employed for securin the knob against endwise movement on the tubular shank are disposed on the exterior surface of the shank, and similarly that the locking means employed for securin the knob against tummg movement on t e shank are also formed on the exterior surface thereof.
- This is exceedingly important as it permits the formation of a free and unobstructed passage interiorly of the shank, and furthermore permits it to be constructed of a tubular material.
- Such an unobstructed central passage is a decided advantage in connection with a knob of this character, as a key mechanism is in some instances inserted therein, and in other instances other lock-actuating mechanisms may extend through the tubular shank, so as to be in a position to be actuated from the end of the knob. The insertion of such mechanism can only be obtained where a free and unobstructed central passage is formed in the shank, and it is, therefore, of considerable importance.
- the inner faces 3 of the lugs form a cylindrical surface in parallelism with the exterior surface of the tubular shank. A snug fit may thus be madebetween the lugs and the shank, and the knob is thus well supported and reinforced interiorly. This is also im ortant, as glass knobs are readil broken un ess amply supported and secured.
- the pron 17, as previously stated, are struck out rom the tubular shank and as such form a rigid connection between the knob and tube to prevent turning movement between the same.
- the flange 12 and the cap carried thereby enga e one end of the knob, and the washer and ock-nut 15 the opposite end. Ample supporting and engaging surfaces are thus provided and further strength and rigidity are insured.
- a knob mounting of the character described comprising a shank, a knob having a central aperture formed therein and extending therethrough adapted to be placed on the shank, said shank having a central passage formed therein formin an interior longitudinally unobstructe passa e through the shank and knob, means on e exterior of the shank for securing the knob against endwise movement on the shank, and other means exterior of the shank for securing the knob against turning movement on the shank.
- a knob mounting of the character described comprising a knob havin a central aperture formed therein, a tubular shank insertible in said aperture and adapted to extend substantially therethrough, means on the exterior of the shank and enga 'eable with the knob to secure it against endwise movement on the shank, and other means on the exterior of the shank and engageable with the knob to secure the knob against turning movement on the shank.
- a knob mounting of the character described comprisin a knob havin a central aperture formed herein, a plura ity of interspaced lugs integral with the knob and disposed in the central aperture, a tubular shank insertible in the aperture, pron formed on the exterior surface of the shan and extending outwardly between the lugs to lock the knob against turning movement on the shank, and means on the exterior of the shank for securing the knob against endwise movement on the shank.
- a knob mounting of the character described comprising a knob having a central aperture formed therein, a plurality of interspaced lugs integral with the knob and disposed in the central aperture, a tubular shank inscrtible in the aperture, prongs formed on the exterior surface of the shank and extending outwardly between the lugs to lock the knob against turnin movement on the shank, an exterior annufiir flange on one end of the shank engageable with the lugs and securing the knob against endwise movement in one direction, a threaded section on the exterior of the shank and a nut Ill] III
- a knob mountin of the character described comprisin a ob havin acentral aperture formed t erein, a. plura ity of interspaced lugs integral with the knob and disposed in the central aperture, a tubular shank insertible in the aperture prongs formed on the exterior surface of the shank and extending outwardly between the lugs to lock the knob against turning movement on the shank, a flange on one end of the shank and engageable with one end of the knob to secure the knob against endwise movement in one direction, a partial closure cap carried by said flange, and means carried by the shank and engageable with the opposite end of the knob to secure the knob against endwise movement in the other direction.
- a knob mountin of the character described comprising a nob having a central aperture formed therein, a tubular shank insertable in said aperture and adapted to extend substantially therethrough, an annular flange on one end of the shank, means adjacent one face of the knob engageable with said flange to secure the knob against endwise movement in one direction, means on the other end of the shank engageable with the opposite face of the knob to secure it against endwise movement in the other direction, and a closure cap carried by the flanged end of the shank.
- a knob mountin of the character described comprisin a nob havin acentral aperture formed t erein, a plura ity of intel-spaced lugs integral with the knob and disposed in the central aperture, a tubular shank insertible in the aperture prongs formed on the exterior surface of the shank and extending outwardly between the lugs to lock the knob against turning movement on the shank, a flange on one end of the shank and engageable with one end of the knob to secure the knob against endwise movement in one direction, a partial closure cap carried by said flange, and means carried by the shank and engageable with the opposite end of the knob to secure the knob against endwise movement in the other direction.
- a knob mountin of the character described comprising a nob having a central aperture formed therein, a tubular shank insertable in said aperture and adapted to extend substantially therethrough, an annular flange on one end of the shank, means adjacent one face of the knob engageable with said flange to secure the knob against endwise movement in one direction, means on the other end of the shank engageable with the opposite face of the knob to secure it against endwise movement in the other direction, and a closure cap carried by the flanged end of the shank.
Description
W. R. SCHLAGE GLASS KNOB MOUNTING Filed Sept. 10. 1924 fwe/vtor' Wait?! 5% Patented Dec. 20, 1927.
UNITED STATES 1,653,514 PATENT OFFICE.
WALTER R. SCHLAGE, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR TO THE SCHLAGE COMPANY, 01' SAN FRANCISCO, CALIFORNIA, A CORPORATION OF CALIFORNIA.
GLASS-KNOB MOUNTING.
Application filed September 10, 1984. Serial No. 786,948.
This invention relates to door knobs and the like, and particularly to a mounting whereby a glass knob may be substantially supported upon, and rigidly secured to, a metallic shank.
The object of the present invention 1s to generally improve and simplify the construction of knobs of the character described. With this end in view, the invention embodies a glass knob having a central aperture formed therein, a tubular metallic shank adapted to be inserted in said aperture and to extend substantially therethrough, interlocking means on the exterior of the shank and in the interior of the aperture, whereby the knob and shank are secured against relative turning movement, and means for securing the shank and knob against endwise movement with relation to each other.
One form which my invention may assume is exemplified in the following descri tion and illustrated in the accompanying rawin in which- Tgi 1 is a central longitudinal section of the s ank and knob showing the same assembled.
Fig. 2 is a. cross-section of the knob.
Fig. 3 is a perspective view of the shank.
Referring to the drawings in detall, and particularly to Figs. 2 and 3, A lndicates a knob constructed of any suitable material, but preferably of glass. The knob has a central aperture formed therein as indicated at B, which extends compietel therethrough. This aperture tapers rom the exterior surface to the inner surface, as shown, and a plurality of lugs are formed on the interior surface of the aperture as indicated at 2. These lugs taper from end to end, due to the taper of the aperture 111 which they are formed, this taper being rovided for the purpose of permitting the inner faces 3 to present a substantially cylindrical surface of uniform diametervfrom end to end. The spaces formed between the In 5 are indicated at 4 and they are provided for the reception of interlocking means hereinafter to be described. The outer face of the knob is indicated at 5, and the inner face at 6. An enlarged recess is formed in the inner face as shown at 7, and a plurality of prismatic or V-shaped lugs are formed in the bottom of the recess as indicated at 8. These prismatic lugs serve thereby formin two functions, first, that of a biting frictlonal lock between a washer and lock-nut hereinafter to be described, and secondly, that of forming a series of refracting or reflecting surfaces, which ma be silverplated to serve as li ht reflecting surfaces. The metallic shanl employed is tubular in form as shown in Figs. 1 and 3. One end is slightly enlarged as indicated at 9. This end is inserted in the a rture B of the knob and is secured therein. The end of the shank which projects and which is received by the locking mechanism or the spindle of a door or the like is slightly contracted as indicated at 10, and a key or like device is pressed from the tubular extension as indicated at 11. The outer end of the tubular shank is provided with an outwardly turned annular flan e 12, while the opposite end of the enlarge portion is exteriorly threaded as indicated at 13, the threaded portion being provided for the reception of a washer 14 and a lock-nut 15.
The tubular shank is cut at a suitable number of places as indicated at 16 (see Fig. 3) and the metal is bent outwardly to form a number of prongs or key-way members 17, these prongs or keys being of a width to permit them to be interposed between the ln s 2 when the knob and shank are assemble The annular flange 12 serves two func tions, first, that of securing the knob against endwise movement on the tubular shank in one direction, and secondly, that of forming a securing means for a cap such as shown at 18, or a. partial closure cap such as shown at 19. (See Fig. 1).
The device as constructed is assembled in the followin manner. The tubular shank shown in Fig. 3, with the washer and lock-nut removed, is inserted in the central aperture B of the knob, the prongs or keyway members 17 being so positioned as to pass downwardly between the lugs 2 and an interlock with the same. The lugs 2 are s ightl shorter than the aperture B, as shown in ig. 2, and shoulders or seats 20 are thus formed on their outer ends against which the annular flange, and the cap 18 or 19 secured thereto, engage. This engagement secures the knob agalnst endwise movement in one direction, and the interlocking of the lugs 2 and the prongs 17 secures the knob against turning movement about the shank. The resilient washer, constructed of paper, fiber, rubber or the like, is then apphed over the threaded end of the shank, and next the nut 15. This nut is tightened up and the device as a whole is thus completely assembled.
Any suitable form of washer may be employed, but a resilient washer is preferable, as the mounting illustrated is preferably employed in connection with knobs that are constructed of glass, porcelain, and other similar fra ile materials. Any danger of fracturing t 1e material is thus avoided and a secure grip is obtained by the engagement of the washer with the prismatic lugs 8. These lugs, as previously stated, may be silver-plated to form reflecting and refractin faces and such plating may also be applied to the interior surface of the aperture B and the In S 2. The side surfaces of the lugs are slight y angularly disposed and additional refractin and refiectin faces are thus obtained, w ich give the mob an exceedingly brilliant appearance when it is constructed of clear glass.
It should be noted that the means employed for securin the knob against endwise movement on the tubular shank are disposed on the exterior surface of the shank, and similarly that the locking means employed for securin the knob against tummg movement on t e shank are also formed on the exterior surface thereof. This is exceedingly important as it permits the formation of a free and unobstructed passage interiorly of the shank, and furthermore permits it to be constructed of a tubular material. Such an unobstructed central passage is a decided advantage in connection with a knob of this character, as a key mechanism is in some instances inserted therein, and in other instances other lock-actuating mechanisms may extend through the tubular shank, so as to be in a position to be actuated from the end of the knob. The insertion of such mechanism can only be obtained where a free and unobstructed central passage is formed in the shank, and it is, therefore, of considerable importance.
The inner faces 3 of the lugs form a cylindrical surface in parallelism with the exterior surface of the tubular shank. A snug fit may thus be madebetween the lugs and the shank, and the knob is thus well supported and reinforced interiorly. This is also im ortant, as glass knobs are readil broken un ess amply supported and secured.
The pron 17, as previously stated, are struck out rom the tubular shank and as such form a rigid connection between the knob and tube to prevent turning movement between the same. The flange 12 and the cap carried thereby enga e one end of the knob, and the washer and ock-nut 15 the opposite end. Ample supporting and engaging surfaces are thus provided and further strength and rigidity are insured.
While certain features of the present invention are more or less specifically illustrated, I wish it understood that various changes in form and proportion may be resorted to within the scope of the appended claims. I similarly wish it understood that the materials and finish of the several parts employed may be such as the experience and judgment of the manufacturer may dictate or various uses may demand.
Having thus described my invention, what I claim and desire to secure by Letters Patent is- 1. A knob mounting of the character described, comprising a shank, a knob having a central aperture formed therein and extending therethrough adapted to be placed on the shank, said shank having a central passage formed therein formin an interior longitudinally unobstructe passa e through the shank and knob, means on e exterior of the shank for securing the knob against endwise movement on the shank, and other means exterior of the shank for securing the knob against turning movement on the shank.
2. A knob mounting of the character described, comprising a knob havin a central aperture formed therein, a tubular shank insertible in said aperture and adapted to extend substantially therethrough, means on the exterior of the shank and enga 'eable with the knob to secure it against endwise movement on the shank, and other means on the exterior of the shank and engageable with the knob to secure the knob against turning movement on the shank.
3. A knob mounting of the character described, comprisin a knob havin a central aperture formed herein, a plura ity of interspaced lugs integral with the knob and disposed in the central aperture, a tubular shank insertible in the aperture, pron formed on the exterior surface of the shan and extending outwardly between the lugs to lock the knob against turning movement on the shank, and means on the exterior of the shank for securing the knob against endwise movement on the shank.
4. A knob mounting of the character described, comprising a knob having a central aperture formed therein, a plurality of interspaced lugs integral with the knob and disposed in the central aperture, a tubular shank inscrtible in the aperture, prongs formed on the exterior surface of the shank and extending outwardly between the lugs to lock the knob against turnin movement on the shank, an exterior annufiir flange on one end of the shank engageable with the lugs and securing the knob against endwise movement in one direction, a threaded section on the exterior of the shank and a nut Ill] III
thereon adapted to engage the opposite side of the knob to secure the knob against endwise movement in the other direction.
5. A knob mountin of the character described, comprisin a ob havin acentral aperture formed t erein, a. plura ity of interspaced lugs integral with the knob and disposed in the central aperture, a tubular shank insertible in the aperture prongs formed on the exterior surface of the shank and extending outwardly between the lugs to lock the knob against turning movement on the shank, a flange on one end of the shank and engageable with one end of the knob to secure the knob against endwise movement in one direction, a partial closure cap carried by said flange, and means carried by the shank and engageable with the opposite end of the knob to secure the knob against endwise movement in the other direction.
6. A knob mountin of the character described, comprising a nob having a central aperture formed therein, a tubular shank insertable in said aperture and adapted to extend substantially therethrough, an annular flange on one end of the shank, means adjacent one face of the knob engageable with said flange to secure the knob against endwise movement in one direction, means on the other end of the shank engageable with the opposite face of the knob to secure it against endwise movement in the other direction, and a closure cap carried by the flanged end of the shank.
WALTER R. SCHLAGE.
mean
thereon adapted to engage the opposite side of the knob to secure the knob against endwise movement in the other direction.
5. A knob mountin of the character described, comprisin a nob havin acentral aperture formed t erein, a plura ity of intel-spaced lugs integral with the knob and disposed in the central aperture, a tubular shank insertible in the aperture prongs formed on the exterior surface of the shank and extending outwardly between the lugs to lock the knob against turning movement on the shank, a flange on one end of the shank and engageable with one end of the knob to secure the knob against endwise movement in one direction, a partial closure cap carried by said flange, and means carried by the shank and engageable with the opposite end of the knob to secure the knob against endwise movement in the other direction.
6. A knob mountin of the character described, comprising a nob having a central aperture formed therein, a tubular shank insertable in said aperture and adapted to extend substantially therethrough, an annular flange on one end of the shank, means adjacent one face of the knob engageable with said flange to secure the knob against endwise movement in one direction, means on the other end of the shank engageable with the opposite face of the knob to secure it against endwise movement in the other direction, and a closure cap carried by the flanged end of the shank.
WALTER R. SCHLAGE.
DISOLAI MER IJESKjL'L-ll'dlffl R. Schlagr, San Francisco, Palii'.
Patent dated December 20, 1927.
assignee, Srhlage Lark Uompmay.
GLASS-KNOB MOUNTING. Disclaimer filed January 19, 1931, by the Enters this disclaimer and disclaims claims 1, 2, and 6 of said patent and specifirations and disclaims by way of limitation from claims 3, 4, and-5 thereof any knob or construction except where the knob is of glass, porcelain or similar fragile material, as specified in lines 10 to 12, inclusive, page 2 of said specification.
[Oflicial Gazette ebruary 10, 1.931 .1
DISCLAIMER !.653,5I l-llulfrr If. Sch/agr, San Francisco, (n.lif.
Pal-Pub dated [)f-(TIflhfl' 20, 1927. Disclaimer filed nssigmw, Srhlflge Lomlf fiompuny.
llntmx l-lliS rlisvlninwr and discl valiuns and disclaims by way of limitation from claims 3 or construction exnept whom the knob is of glass, porcelain 0r si as specified in lines H) to 12, inclusive, page 2 of said specification. [Oficial Gcmrttc February 10, 1.931.]
GLASS-KNOB MOUNTING. January 19, 1931, by the
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US736946A US1653514A (en) | 1924-09-10 | 1924-09-10 | Glass-knob mounting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US736946A US1653514A (en) | 1924-09-10 | 1924-09-10 | Glass-knob mounting |
Publications (1)
Publication Number | Publication Date |
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US1653514A true US1653514A (en) | 1927-12-20 |
Family
ID=24961985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US736946A Expired - Lifetime US1653514A (en) | 1924-09-10 | 1924-09-10 | Glass-knob mounting |
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US (1) | US1653514A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2433240A (en) * | 1945-03-19 | 1947-12-23 | Schlage Lock Co | Doorknob |
US2919947A (en) * | 1957-02-18 | 1960-01-05 | Scott Anna Marie | Decorative door knobs |
US4319470A (en) * | 1980-02-13 | 1982-03-16 | White William P | Lever type door handle |
US4588221A (en) * | 1983-03-11 | 1986-05-13 | Ideal Security Hardware Corporation | Segmented door opener |
US5688005A (en) * | 1996-07-10 | 1997-11-18 | Baldwin Hardware Corporation | Door knob spindle with spring |
US20050126236A1 (en) * | 2003-12-11 | 2005-06-16 | Oscar Romero | Door handle spring assembly |
US20130300136A1 (en) * | 2012-05-08 | 2013-11-14 | Schlage Look Company LLC | Door handle assemblies reducing wobble |
US20150137526A1 (en) * | 2013-11-20 | 2015-05-21 | Wan Lai Liau | Closure latch |
-
1924
- 1924-09-10 US US736946A patent/US1653514A/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2433240A (en) * | 1945-03-19 | 1947-12-23 | Schlage Lock Co | Doorknob |
US2919947A (en) * | 1957-02-18 | 1960-01-05 | Scott Anna Marie | Decorative door knobs |
US4319470A (en) * | 1980-02-13 | 1982-03-16 | White William P | Lever type door handle |
US4588221A (en) * | 1983-03-11 | 1986-05-13 | Ideal Security Hardware Corporation | Segmented door opener |
US5688005A (en) * | 1996-07-10 | 1997-11-18 | Baldwin Hardware Corporation | Door knob spindle with spring |
US20050126236A1 (en) * | 2003-12-11 | 2005-06-16 | Oscar Romero | Door handle spring assembly |
US6948748B2 (en) | 2003-12-11 | 2005-09-27 | Newfrey Llc | Door handle spring assembly |
US20130300136A1 (en) * | 2012-05-08 | 2013-11-14 | Schlage Look Company LLC | Door handle assemblies reducing wobble |
US20150137526A1 (en) * | 2013-11-20 | 2015-05-21 | Wan Lai Liau | Closure latch |
US9441400B2 (en) * | 2013-11-20 | 2016-09-13 | Wan Lai Liau | Closure latch |
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