US3153957A - Bulb pliers - Google Patents
Bulb pliers Download PDFInfo
- Publication number
- US3153957A US3153957A US276767A US27676763A US3153957A US 3153957 A US3153957 A US 3153957A US 276767 A US276767 A US 276767A US 27676763 A US27676763 A US 27676763A US 3153957 A US3153957 A US 3153957A
- Authority
- US
- United States
- Prior art keywords
- bulb
- base
- flange
- pliers
- gripping means
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/32—Auxiliary devices for cleaning, placing, or removing incandescent lamps
Definitions
- This invention relates to hand pliers and, in particular, to pliers which are adapted to grip and remove the base of a broken light bulb from an electrical socket, especially in those cases where there is only restricted access to the bulb.
- FIG. 1 is a view in side elevation showing a specific form of the pliers of this invention operatively gripping the base of a broken bulb;
- FIG. 2 is a sectional view taken along the lines and arrows IIII of FIG. 1;
- FIG. 3 is a sectional view taken along the lines and arrows III-III of FIG. 2;
- FIG. 4 is an enlarged fragmentary perspective view showing the bulb gripping structure of this form of the invention in greater detail.
- the pliers consist of a pair of lever arms 20 and 30 which are pivotally joined by a rivet or bolt 40 adjacent one end of the arms thereby dividing each arm into a long portion 20a, 30a and short portion 20b, 30b.
- the lever arms are preferably formed from a metal such as aluminum or steel.
- a pair of hand gripping handles 22, 32 Mounted upon and extending beyond the ends of the longer portions 20a, 30a of both lever arms 20, 30 are a pair of hand gripping handles 22, 32 having a series of perforations 24, 34, respectively, for increasing friction between the handles and a users hand as indicated in FIG.
- the handles 22, 32 are substantially U-shape with one end mounted over the ends of the lever arms and held thereon by four rivets 25.
- the lever arms 20, 30 can be curved as shown in FIG. 1 or otherwise shaped so as to increase the lever power delivered to the short portions of the arms by a squeezing force exerted on the bandles 22, 32.
- each gripping jaw 26, 36 consists of two contiguous arcuate flanges, outer gripping flanges 28, 38 and inner gripping flanges 29, 39.
- the inner gripping flanges 29, 39 are indicated in broken lines while the outer gripping flanges 28, 38 are shown in full lines.
- said four flange base portions are located in a plane substantially perpendicular to their respective arcuate flanges or, more precisely, are perpendicular to a tangent drawn to the mid point of the arc of each flange.
- the base portion 28a of the outer flange 29 and portion 39a of the inner flange 39 are shown.
- a pair of rivets 42 hold a pair of flange base portions to each lever arm with the end of each lever arm being indicated by broken lines.
- a pair of indentations 62 are formed in each outer flange 28, 38 which extend into a pair of recesses 60 formed in the arcuate surface of each inner flanges 29, 39 as shown in FIG. 2.
- the gripping jaws are preferably of a strong metal and can be heat treated for long service.
- FIG. 1 An ordinary electric socket 56 of the threaded variety is shown in FIG. 1 having a threaded light bulb base 50 positioned therein.
- the bayonet type bulb and socket which is often used in place of a threaded socket and bulb in automobiles can be removed by the pliers of this invention as efliciently as the threaded variety.
- Protruding from the base edge 51 of the bulb base 50 is an edge of glass 52 which is the remains of the broken glass bulb.
- the outer flanges 28, 38 of each gripping structure 26, 36 fit around the circumferential surface of the bulb base while only the leading or forward edge 29b, 39b of each inner flange 29, 39, respectively, comes in contact with the outer edge 51 and glass 52 of the bulb base.
- the centrally located glass base 58 supporting a plurality of filaments 59 is indicated and surrounded by a glass ring and edge 52. It should be understood that customarily the glass extends up the inner surface of the metallic base 50 and then extends outward over the base edge 51. In FIG. 2, the glass is shown only on the interior of the base 50.
- Outer flanges 28, 38 are shown gripping the bulb base 50 while inner flanges 29, 39 face and grip the edge 51 of the base and along the edge 52 of the glass.
- the indentations 62 are shown in position in recesses 60.
- the bulb socket 56 is shown as the largest outside circle in FIG. 2.
- FIG. 3 which shows the gripping structure taken along a longitudinal section
- the inner flange 39 is shown with a series of serrations 39b extending along its entire leading edge. It is understood that both inner flanges 29 and 39 have the series of serrations and, as shown in FIG. 3, these serrations grip and cut into the glass and edge of the bulb base.
- Each pair of flanges can be spot welded together or otherwise joined and, as shown in FIG. 3, the flange base portion 39:: and flange base portion 38a of flange 38 are mounted on opposing sides of lever arm 30 and held by rivet 42.
- the serrated inner flanges 29, 39 are shown indented from the leading edges of the outer flanges 28, 38 providing an arcuate gripping surface 281) 3- M and 38b in eaeh flange wh tions of each lever arrn entends beyond the ends of said the bulb base.
- the length oi this surtaee an VHS 5E portwnsfth'bhter arena t fianges arranged to form an incomplete circumferential surface when the pliers are held in operative engagement with a bulb base.
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US276767A US3153957A (en) | 1963-04-30 | 1963-04-30 | Bulb pliers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US276767A US3153957A (en) | 1963-04-30 | 1963-04-30 | Bulb pliers |
Publications (1)
Publication Number | Publication Date |
---|---|
US3153957A true US3153957A (en) | 1964-10-27 |
Family
ID=23057991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US276767A Expired - Lifetime US3153957A (en) | 1963-04-30 | 1963-04-30 | Bulb pliers |
Country Status (1)
Country | Link |
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US (1) | US3153957A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044413A (en) * | 1976-09-28 | 1977-08-30 | Tucker Dalton R | Clamp assembly with guide means for removing selected arc length of clamped ring for size reduction |
DE9417763U1 (en) * | 1994-11-05 | 1995-01-12 | Neher Rudolf | Gripping tool for electrical or electronic plug-in parts |
US6904830B1 (en) * | 2004-02-13 | 2005-06-14 | Alden Corporation | Broken bulb remover |
WO2015100323A1 (en) * | 2013-12-23 | 2015-07-02 | Berglund Douglas L | Wrench |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US891061A (en) * | 1908-01-20 | 1908-06-16 | Carl Einar Hansen | Tongs. |
US1041440A (en) * | 1912-02-10 | 1912-10-15 | William Lorenzo Decker | Stay-bolt and means for screwing the same in place. |
US1179680A (en) * | 1915-03-25 | 1916-04-18 | Arthur H Tallyn | Combination bolt extractor and holder. |
US1319028A (en) * | 1919-10-14 | Incandescent-lamp-base remover | ||
US1414315A (en) * | 1921-10-22 | 1922-04-25 | Swanson Olaf Johan | Lamp-base extractor |
US1910750A (en) * | 1932-09-28 | 1933-05-23 | Clark Major Taylor | Circular grip pliers |
US2334781A (en) * | 1942-03-21 | 1943-11-23 | Kenneth B Maines | Expansion pliers |
US3040420A (en) * | 1960-01-12 | 1962-06-26 | K D Mfg Co | Snap ring pliers |
-
1963
- 1963-04-30 US US276767A patent/US3153957A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1319028A (en) * | 1919-10-14 | Incandescent-lamp-base remover | ||
US891061A (en) * | 1908-01-20 | 1908-06-16 | Carl Einar Hansen | Tongs. |
US1041440A (en) * | 1912-02-10 | 1912-10-15 | William Lorenzo Decker | Stay-bolt and means for screwing the same in place. |
US1179680A (en) * | 1915-03-25 | 1916-04-18 | Arthur H Tallyn | Combination bolt extractor and holder. |
US1414315A (en) * | 1921-10-22 | 1922-04-25 | Swanson Olaf Johan | Lamp-base extractor |
US1910750A (en) * | 1932-09-28 | 1933-05-23 | Clark Major Taylor | Circular grip pliers |
US2334781A (en) * | 1942-03-21 | 1943-11-23 | Kenneth B Maines | Expansion pliers |
US3040420A (en) * | 1960-01-12 | 1962-06-26 | K D Mfg Co | Snap ring pliers |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044413A (en) * | 1976-09-28 | 1977-08-30 | Tucker Dalton R | Clamp assembly with guide means for removing selected arc length of clamped ring for size reduction |
DE9417763U1 (en) * | 1994-11-05 | 1995-01-12 | Neher Rudolf | Gripping tool for electrical or electronic plug-in parts |
US6904830B1 (en) * | 2004-02-13 | 2005-06-14 | Alden Corporation | Broken bulb remover |
WO2005079287A2 (en) * | 2004-02-13 | 2005-09-01 | Alden Corporation | Broken bulb remover |
WO2005079287A3 (en) * | 2004-02-13 | 2005-11-10 | Alden Corp | Broken bulb remover |
WO2015100323A1 (en) * | 2013-12-23 | 2015-07-02 | Berglund Douglas L | Wrench |
US10919130B2 (en) | 2013-12-23 | 2021-02-16 | Douglas L. Berglund | Wrench |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: K-D MANUFACTURING COMPANY, Free format text: RELEASED BY SECURED PARTY;ASSIGNORS:HAMILTON BANK;MORGAN GUARANTY TRUST COMPANY OF NEW YORK;COMMONWEALTH NATIONAL BANK, THE;REEL/FRAME:004059/0136 Effective date: 19820128 Owner name: K-D MANUFACTURING COMPANY, PENNSYLVANIA Free format text: RELEASED BY SECURED PARTY;ASSIGNORS:HAMILTON BANK;MORGAN GUARANTY TRUST COMPANY OF NEW YORK;COMMONWEALTH NATIONAL BANK, THE;REEL/FRAME:004059/0136 Effective date: 19820128 |
|
AS | Assignment |
Owner name: FIRST NATIONAL BANK OF BOSTON Free format text: SECURITY INTEREST;ASSIGNOR:EASCO CORPORATION;REEL/FRAME:004572/0975 Effective date: 19860626 |
|
AS | Assignment |
Owner name: BANCBOSTON FINANCIAL COMPANY, 100 FEDERAL STREET, Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 Owner name: FIRST NATIONAL BANK OF BOSTON THE, 100 FEDERAL STR Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 Owner name: BANCBOSTON FINANCIAL COMPANY, MASSACHUSETTS Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 Owner name: FIRST NATIONAL BANK OF BOSTON THE, MASSACHUSETTS Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 |