KR880018129U - 절첩식 사다리용 경첩 - Google Patents

절첩식 사다리용 경첩

Info

Publication number
KR880018129U
KR880018129U KR2019870004310U KR870004310U KR880018129U KR 880018129 U KR880018129 U KR 880018129U KR 2019870004310 U KR2019870004310 U KR 2019870004310U KR 870004310 U KR870004310 U KR 870004310U KR 880018129 U KR880018129 U KR 880018129U
Authority
KR
South Korea
Prior art keywords
hinges
folding ladders
ladders
folding
Prior art date
Application number
KR2019870004310U
Other languages
English (en)
Other versions
KR900009120Y1 (ko
Inventor
유희관
Original Assignee
주식회사 우경제작소
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 주식회사 우경제작소 filed Critical 주식회사 우경제작소
Priority to KR2019870004310U priority Critical patent/KR900009120Y1/ko
Priority to US07/106,818 priority patent/US4770559A/en
Publication of KR880018129U publication Critical patent/KR880018129U/ko
Application granted granted Critical
Publication of KR900009120Y1 publication Critical patent/KR900009120Y1/ko

Links

Classifications

    • 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
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • 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
    • Y10T403/32254—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
    • Y10T403/59—Manually releaseable latch type
    • Y10T403/598—Transversely sliding pin

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
KR2019870004310U 1987-03-31 1987-03-31 절첩식 사다리용 경첩 KR900009120Y1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR2019870004310U KR900009120Y1 (ko) 1987-03-31 1987-03-31 절첩식 사다리용 경첩
US07/106,818 US4770559A (en) 1987-03-31 1987-10-13 Positioning joint for folding ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870004310U KR900009120Y1 (ko) 1987-03-31 1987-03-31 절첩식 사다리용 경첩

Publications (2)

Publication Number Publication Date
KR880018129U true KR880018129U (ko) 1988-10-27
KR900009120Y1 KR900009120Y1 (ko) 1990-09-29

Family

ID=19261146

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870004310U KR900009120Y1 (ko) 1987-03-31 1987-03-31 절첩식 사다리용 경첩

Country Status (2)

Country Link
US (1) US4770559A (ko)
KR (1) KR900009120Y1 (ko)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
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KR910000302Y1 (ko) * 1987-02-21 1991-01-18 장문수 절첩식 사다리용 경첩
DE3737295A1 (de) * 1987-11-04 1989-05-18 Krause Werk Gmbh & Co Kg Gelenk fuer leitern
US4905946A (en) * 1989-02-08 1990-03-06 Wang Lai S Adjustable leg assembly
US5174171A (en) * 1989-09-28 1992-12-29 Ab Volvo Length adjustment device
US5116025A (en) * 1990-08-13 1992-05-26 Sam Kiniry Cantilevered, retractable handrail
US5261682A (en) * 1992-08-25 1993-11-16 Chuang Ching Pao Collapsible recuperating walker
US5265969A (en) * 1992-12-16 1993-11-30 Chuang Ching Pao Angle-adjustable joint
US5350038A (en) * 1993-02-01 1994-09-27 Lazarus Jonathan F Foldable extension ladder and ladder sections therefor
US5567080A (en) * 1993-11-24 1996-10-22 Sterlacci; George Tray table with detent control for invalid chairs and methods of operating and making such tray tables
US5722730A (en) * 1996-10-29 1998-03-03 Excel Industries, Inc. Reinforcement member for pivotable assembly
DE29801045U1 (de) * 1998-01-22 1998-03-05 Dofair Company Ltd., Keelung Zugvorrichtung in einer Gelenkverbindung für eine Klappleiter
US6086284A (en) * 1998-03-26 2000-07-11 Callahan; Peter Locking hub
DE19901125C1 (de) * 1999-01-14 2000-11-16 Rauschenberger Gmbh U Co Gelenk, insbesondere zur Verbindung von Leiterholmen
EP1063387A3 (en) * 1999-06-22 2001-08-01 Ik Woo Lee Ladder having locking device and method for manufacturing the same
SK5932000A3 (en) * 2000-04-25 2001-12-03 Elkop S R O Adjusting joint
US6688797B2 (en) * 2001-07-13 2004-02-10 Jae Yun Park Hinge for foldable ladders
US6547321B2 (en) * 2001-07-17 2003-04-15 Chung-Sen Wu Folding chair
KR100410947B1 (ko) * 2001-07-25 2003-12-18 삼성전기주식회사 가변 저항을 이용한 편향 요크의 미스 컨버전스 및기하학적 왜곡 보정 장치
US6711780B2 (en) 2001-08-22 2004-03-30 Sinclair Worldwide, Inc. Hinge for collapsible ladders
US6364033B1 (en) 2001-08-27 2002-04-02 Techtronic Industries Co. Ltd. Portable electric tool
US6857503B2 (en) * 2002-02-07 2005-02-22 Tricam Industries, Inc. Convertible ladder
US6886659B2 (en) 2002-02-07 2005-05-03 Tricam Industries, Inc. Convertible ladder
US7424933B2 (en) * 2002-05-28 2008-09-16 Norman Miller Ladder assemblies
WO2004004517A1 (ja) * 2002-07-05 2004-01-15 Ts Tech Co., Ltd. 車両用シートのリクライニング装置
KR200317046Y1 (ko) * 2003-02-19 2003-06-25 이상규 접철식 사다리용 힌지장치
US6877586B2 (en) * 2003-04-11 2005-04-12 Sylmark Holdings Limited Hinge system for combination hand truck, step ladder and dolly device
US6880835B2 (en) * 2003-04-11 2005-04-19 Sylmark Holdings Limited Combination hand truck, step ladder and dolly
US20040226773A1 (en) * 2003-05-01 2004-11-18 Jeffrey Beaver Rotation limiter for center-folding ladder
US7234203B2 (en) * 2003-08-07 2007-06-26 Werner Co. Locking hinge for folding ladder
US7140072B2 (en) * 2003-11-11 2006-11-28 Cosco Management, Inc. Lockable ladder hinge
US7007770B2 (en) 2003-11-12 2006-03-07 Genaro Perez Apparatus convertible between creeper and stepladder configurations
KR200349726Y1 (ko) * 2004-01-29 2004-05-12 주식회사 봉천 접철식 사다리용 힌지장치에 사용되는 안전부재
US20060085993A1 (en) * 2004-02-20 2006-04-27 Frankowiak Jerome P Folding framing square
US20050274571A1 (en) * 2004-06-11 2005-12-15 Dennis Simpson Convertible fiberglass ladder
US20060239768A1 (en) * 2005-04-22 2006-10-26 Chin-Wen Yeh Lock device in an articulated joint for a foldable ladder
US7341392B2 (en) * 2005-04-22 2008-03-11 Dofair Co., Ltd. Lock device in an articulated joint for a foldable ladder
KR100662454B1 (ko) * 2005-07-29 2007-01-02 엘지전자 주식회사 평판형 영상표시기를 위한 스탠드 구조
US20070227819A1 (en) * 2006-03-28 2007-10-04 Layfield L D Window cleaning ladder
WO2007122455A1 (en) * 2006-04-26 2007-11-01 Jerome Frankowiak Folding framing square
JP2007293151A (ja) * 2006-04-27 2007-11-08 Funai Electric Co Ltd 表示装置
US20080073150A1 (en) * 2006-09-27 2008-03-27 Lin Fan Nan Safety Reinforcing Structure for Aluminum Ladder Hinge
US8225906B2 (en) 2008-08-22 2012-07-24 Core Distribution, Inc. Extendable/retractable ladder
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
WO2013059271A1 (en) * 2011-10-17 2013-04-25 Jlg Industries, Inc. Remote activation of scissor lift cylinder prop
USD710031S1 (en) 2012-11-15 2014-07-29 Tricam Industries, Inc. Step stool
ITRM20130100A1 (it) * 2013-02-21 2014-08-22 Tecnoway S A S Tutore per articolazione.
KR101310061B1 (ko) 2013-05-10 2013-09-24 이영학 사다리 힌지장치
CN103470178B (zh) * 2013-08-20 2015-11-25 张家港市英德利空调风机有限公司 多功能梯中的连接装置
US9744910B2 (en) * 2014-07-01 2017-08-29 Thule Sweden Ab Foldable load carrier with a latching brace
USD767784S1 (en) * 2014-12-02 2016-09-27 Core Distribution, Inc. Hinge for a telescoping stepladder
US9580959B2 (en) * 2014-12-02 2017-02-28 Core Distribution, Inc. Foldable ladder
US10233692B2 (en) * 2014-12-02 2019-03-19 Core Distribution, Inc. Foldable ladder
US9416591B2 (en) 2014-12-02 2016-08-16 Core Distribution, Inc. Telescoping ladder with stabilizers
US10801261B2 (en) * 2016-06-14 2020-10-13 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
US20180274296A1 (en) * 2017-03-21 2018-09-27 Tricam Industries, Inc. Adjustable hinge for a multi-position ladder
CN107178303A (zh) * 2017-03-03 2017-09-19 厦门新技术集成有限公司 一种可变换直梯使用的人字梯
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
EP3707340B1 (en) 2017-11-08 2021-06-23 Core Distribution Inc. Locking assembly for a telescoping ladder
US11505994B2 (en) * 2018-10-16 2022-11-22 Tricam Industries, Inc. Top cap for multi-position ladder
USD935055S1 (en) 2019-08-07 2021-11-02 Tricam Industries, Inc. Hinge for a multi-position ladder
US11795760B2 (en) * 2019-10-24 2023-10-24 Core Distribution, Inc. Ladder tripod assembly and system
CN112443567B (zh) * 2020-12-11 2024-07-26 东莞市帝格五金制品有限公司 一种铰接组件及包括其的柜子
US12025261B2 (en) * 2022-05-27 2024-07-02 Gunwerks, Llc Adjustable support apparatuses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696357A (en) * 1927-11-02 1928-12-25 Willis W Johnson Fire escape
JPS59113499U (ja) * 1983-01-20 1984-07-31 青輪企業股ふん有限公司 折畳梯子、家具等のジヨイント装置
US4666327A (en) * 1986-09-22 1987-05-19 George Su Joint for foldable aluminum ladders

Also Published As

Publication number Publication date
US4770559A (en) 1988-09-13
KR900009120Y1 (ko) 1990-09-29

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee