KR880016406U - 절첩식 사다리용 경첩 - Google Patents

절첩식 사다리용 경첩

Info

Publication number
KR880016406U
KR880016406U KR2019870002003U KR870002003U KR880016406U KR 880016406 U KR880016406 U KR 880016406U KR 2019870002003 U KR2019870002003 U KR 2019870002003U KR 870002003 U KR870002003 U KR 870002003U KR 880016406 U KR880016406 U KR 880016406U
Authority
KR
South Korea
Prior art keywords
hinges
folding ladders
ladders
folding
Prior art date
Application number
KR2019870002003U
Other languages
English (en)
Other versions
KR910000302Y1 (ko
Inventor
장문수
Original Assignee
장문수
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 장문수 filed Critical 장문수
Priority to KR2019870002003U priority Critical patent/KR910000302Y1/ko
Priority to US07/073,585 priority patent/US4824278A/en
Publication of KR880016406U publication Critical patent/KR880016406U/ko
Application granted granted Critical
Publication of KR910000302Y1 publication Critical patent/KR910000302Y1/ko

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/02—Extending means
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/32—Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/50—Joints or other connecting parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/10—Arrangements for locking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2350/00—Machines or articles related to building
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32008—Plural distinct articulation axes
    • Y10T403/32057—Angular and linear
    • Y10T403/32073—Pivot stud slidable in elongated opening
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud
    • Y10T403/32327—At selected angle including pivot stud including radially spaced detent or latch component
    • Y10T403/32336—Engaging notch or recess in outer periphery of component
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud
    • Y10T403/32327—At selected angle including pivot stud including radially spaced detent or latch component
    • Y10T403/32361—Engaging recess in radial face

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Ladders (AREA)
KR2019870002003U 1987-02-21 1987-02-21 절첩식 사다리용 경첩 KR910000302Y1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR2019870002003U KR910000302Y1 (ko) 1987-02-21 1987-02-21 절첩식 사다리용 경첩
US07/073,585 US4824278A (en) 1987-02-21 1987-07-15 Positioning joint for folding ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870002003U KR910000302Y1 (ko) 1987-02-21 1987-02-21 절첩식 사다리용 경첩

Publications (2)

Publication Number Publication Date
KR880016406U true KR880016406U (ko) 1988-10-08
KR910000302Y1 KR910000302Y1 (ko) 1991-01-18

Family

ID=19259888

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870002003U KR910000302Y1 (ko) 1987-02-21 1987-02-21 절첩식 사다리용 경첩

Country Status (2)

Country Link
US (1) US4824278A (ko)
KR (1) KR910000302Y1 (ko)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737295A1 (de) * 1987-11-04 1989-05-18 Krause Werk Gmbh & Co Kg Gelenk fuer leitern
US5264992A (en) * 1991-08-02 1993-11-23 Tusk, Incorporated Modular computer system having self contained workslate unit detachably coupled to base unit including keyboard
FI925275A0 (fi) * 1992-11-20 1992-11-20 Jukova Oy Faestarrangemang foer ett i vertikalplanet svaengbart sitshandtag
US5263507A (en) * 1992-12-16 1993-11-23 Chuang Ching Pao Collapsible tent frame
US5502943A (en) * 1994-12-09 1996-04-02 Optima Graphics Display frame
CA2197932A1 (en) 1996-03-29 1998-08-19 Werner O. Merlo Ball joint and mechanisms for a prosthetic limb
DE19633761C2 (de) * 1996-08-22 1998-07-16 Rauschenberger Metallwaren Gmb Rastgelenk, insbesondere für Mehrzweckleitern
DE29801045U1 (de) * 1998-01-22 1998-03-05 Dofair Company Ltd., Keelung Zugvorrichtung in einer Gelenkverbindung für eine Klappleiter
US6244779B1 (en) * 1998-06-03 2001-06-12 Michael Slasinski Angularly adjustable coupling
US6368006B1 (en) * 2000-03-13 2002-04-09 Link Treasure Limited Attachment mechanism for stroller tray accessory
US6886659B2 (en) 2002-02-07 2005-05-03 Tricam Industries, Inc. Convertible ladder
US6857503B2 (en) * 2002-02-07 2005-02-22 Tricam Industries, Inc. Convertible ladder
US20050274571A1 (en) * 2004-06-11 2005-12-15 Dennis Simpson Convertible fiberglass ladder
NO322283B1 (no) * 2004-06-11 2006-09-11 Gunnar Lem Gardintrapp omfattende en trinnramme og en stotteramme, samt en plattform som forbinder nevnte trinnramme og nevnte stotteramme.
US20070227819A1 (en) * 2006-03-28 2007-10-04 Layfield L D Window cleaning ladder
CN201082719Y (zh) * 2006-09-21 2008-07-09 明门实业股份有限公司 可收折婴儿车
US20080073150A1 (en) * 2006-09-27 2008-03-27 Lin Fan Nan Safety Reinforcing Structure for Aluminum Ladder Hinge
WO2009023957A1 (en) * 2007-08-17 2009-02-26 Merlo Werner O Continuously variable positioning device
CN101548835B (zh) * 2008-04-03 2011-06-29 明门实业股份有限公司 高脚椅
CN102233892A (zh) * 2010-05-07 2011-11-09 明门香港股份有限公司 折叠机构及可折叠婴儿车
KR101775155B1 (ko) * 2010-12-01 2017-09-05 삼성전자주식회사 전자 기기의 스위블 힌지 장치
US20130140111A1 (en) 2011-12-01 2013-06-06 Kishor Chandra Desai Safety ladder warning device
CN202753989U (zh) * 2012-08-22 2013-02-27 中山市隆成日用制品有限公司 婴童推车收折关节
CA2874121A1 (en) * 2012-10-12 2014-04-17 Kyokuyou Steel Mechanical Factory Co., Ltd. Wheelchair table and wheelchair provided therewith
CN102953673B (zh) * 2012-10-26 2016-01-20 钟华 自锁两用梯子铰链
USD710031S1 (en) 2012-11-15 2014-07-29 Tricam Industries, Inc. Step stool
US20150259981A1 (en) * 2014-03-14 2015-09-17 Zdzislaw Bobek Ladder Guard
USD767784S1 (en) * 2014-12-02 2016-09-27 Core Distribution, Inc. Hinge for a telescoping stepladder
US9637356B2 (en) * 2014-12-15 2017-05-02 Hoist Around Llc Collapsible hoisting apparatus
WO2017218672A1 (en) * 2016-06-14 2017-12-21 Wing Enterprises, Incorporated Ladders, ladder hinges and related methods
USD860476S1 (en) 2017-01-04 2019-09-17 Tricam Industries, Inc. Hinge for a multi-position ladder
USD855833S1 (en) 2017-01-04 2019-08-06 Tricam Industries, Inc. Ladder rail
AU2018278359B2 (en) * 2017-06-02 2024-06-13 Little Giant Ladder Systems, Llc Ladder hinge and ladders incorporating same
USD833643S1 (en) 2017-07-07 2018-11-13 Tricam Industries, Inc. Integrated ladder tray hook
EP3480417A1 (en) * 2017-11-07 2019-05-08 Wan Yu Chen Mechanical structure
EP3480418A1 (en) * 2017-11-07 2019-05-08 Wan Yu Chen Mechanical structure
EP3546691B1 (en) * 2018-03-30 2021-03-24 Bestway Inflatables & Material Corp. Security ladder for a pool
US11225833B2 (en) * 2019-04-10 2022-01-18 Thomas Yoo Ladder with a guardrail
USD935055S1 (en) 2019-08-07 2021-11-02 Tricam Industries, Inc. Hinge for a multi-position ladder
CN216767249U (zh) * 2021-01-25 2022-06-17 江苏宙际杰智能科技股份有限公司 一种多功能梯关节
CN113339396B (zh) * 2021-06-29 2022-07-08 广东美其智能展示科技有限公司 垂直旋转式铰链结构和广告支架
US20230383601A1 (en) * 2022-05-27 2023-11-30 Little Giant Ladder Systems, Llc Multifunction button for ladder adjustment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502641A (en) * 1949-01-11 1950-04-04 Hoover Co Suction cleaner
DE1204467B (de) * 1959-12-24 1965-11-04 Wilhelm Bahmueller Einstell- und verriegelbares Gelenk fuer zusammenlegbare Gestellc von Sitz- und Liegemoebeln od. dgl.
DE2514940C2 (de) * 1975-04-05 1985-03-07 Wilhelm Bahmüller Maschinen- und Apparatebau, 7067 Plüderhausen In mehreren Arbeitsstellungen verriegelbares Gelenk zur Verbindung der Leiterholme einer in mehreren Stellungen verrastbaren Leiter oder dergl.
DE3211164C2 (de) * 1982-03-26 1985-06-20 Günther 6320 Alsfeld Krause Zusammenklappbare Mehrzweckleiter
US4540306A (en) * 1983-10-19 1985-09-10 Wang Chien Yuan Positioning joint for folding ladders
US4543006A (en) * 1984-11-16 1985-09-24 Wang Chien Yuan Foldable multi-position ladder joint
US4611945A (en) * 1985-06-07 1986-09-16 Diego Dennis F Articulating joint for folding tubular sections
US4645371A (en) * 1986-05-01 1987-02-24 Wang Chien Yuan Safety joint mechanism, particularly for folding ladders
KR900009120Y1 (ko) * 1987-03-31 1990-09-29 주식회사 우경제작소 절첩식 사다리용 경첩

Also Published As

Publication number Publication date
US4824278A (en) 1989-04-25
KR910000302Y1 (ko) 1991-01-18

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
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