CA1018495A - Telescoping step ladder - Google Patents
Telescoping step ladderInfo
- Publication number
- CA1018495A CA1018495A CA226,650A CA226650A CA1018495A CA 1018495 A CA1018495 A CA 1018495A CA 226650 A CA226650 A CA 226650A CA 1018495 A CA1018495 A CA 1018495A
- Authority
- CA
- Canada
- Prior art keywords
- step ladder
- telescoping step
- telescoping
- ladder
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
- E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
- E06C5/06—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic by piston and cylinder, or equivalent means, operated by a pressure medium
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479170A US3869022A (en) | 1974-06-13 | 1974-06-13 | Telescoping step ladder |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1018495A true CA1018495A (en) | 1977-10-04 |
Family
ID=23902938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA226,650A Expired CA1018495A (en) | 1974-06-13 | 1975-05-09 | Telescoping step ladder |
Country Status (4)
Country | Link |
---|---|
US (1) | US3869022A (en) |
JP (1) | JPS5182168A (en) |
CA (1) | CA1018495A (en) |
GB (1) | GB1494404A (en) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3997183A (en) * | 1975-09-22 | 1976-12-14 | Caterpillar Tractor Co. | Step-grab element system for a vehicle |
US4067588A (en) * | 1976-02-09 | 1978-01-10 | Caterpillar Tractor Co. | Ladder assembly for construction vehicles |
US4243120A (en) * | 1979-06-28 | 1981-01-06 | Harnischfeger Corporation | Retractable boarding ladder |
DE3132294A1 (en) * | 1981-08-14 | 1983-03-03 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München | Extensible collapsible ladder, in particular for loading ramps of goods vehicles |
US5106256A (en) * | 1989-08-07 | 1992-04-21 | Kabushiki Kaisha Kobe Seiko Sho | Step device in miniature shovel car |
US5033582A (en) * | 1990-08-20 | 1991-07-23 | Caterpillar Inc. | Retractable ladder assembly |
AU672706B2 (en) * | 1993-07-16 | 1996-10-10 | Hedweld Engineering Pty Ltd | Access ladder |
CA2128303C (en) * | 1993-07-16 | 2006-02-21 | Robert Ian Hedley | Access device |
GB2294244B (en) * | 1994-12-21 | 1996-09-18 | Gilman F H & Co | Vehicle ladders |
US6012545A (en) * | 1998-01-15 | 2000-01-11 | Faleide; Erling | Foldable vehicle ladder system |
US6209682B1 (en) | 2000-02-11 | 2001-04-03 | Caterpillar Inc. | Ladder assembly for track-type tractors |
AU2002317532C1 (en) * | 2002-12-11 | 2004-04-22 | Mixers Australia Pty Ltd | Retractable Ladder |
US7905324B2 (en) * | 2004-07-15 | 2011-03-15 | Caterpillar Inc. | Access system for a moveable vehicle |
US7721849B2 (en) * | 2006-10-12 | 2010-05-25 | Thomas Graffy | Retractable ladder |
US8011474B2 (en) * | 2006-10-30 | 2011-09-06 | Caterpillar Inc. | Powered access device |
WO2009114897A1 (en) * | 2008-03-17 | 2009-09-24 | Barjoh Pty Ltd | Access system and device for vehicles, and modes of employment thereof |
US8113315B2 (en) * | 2008-04-15 | 2012-02-14 | Cnh America Llc | Rear deck service ladder and handle assembly for combines |
US8919497B2 (en) * | 2008-11-07 | 2014-12-30 | Caterpillar Inc. | Powered operator access system |
US8074768B2 (en) * | 2008-11-07 | 2011-12-13 | Caterpillar Inc. | Powered operator access system |
US8944211B2 (en) * | 2011-03-03 | 2015-02-03 | Richard C. BLASKA | Retractable ladder |
US20130048400A1 (en) * | 2011-08-31 | 2013-02-28 | Caterpillar Inc. | Machine access device |
US8668048B1 (en) * | 2012-10-29 | 2014-03-11 | Glen H. Morris | Elevator assembly for accessing an elevated platform of a combine |
US8827038B2 (en) | 2012-12-12 | 2014-09-09 | Cnh Industrial America Llc | Ladder assembly for a work vehicle |
US20140318892A1 (en) * | 2013-04-30 | 2014-10-30 | Caterpillar Inc. | Manually powered linkage ladder |
DE102014003469B4 (en) * | 2014-03-07 | 2023-04-13 | Komatsu Mining Germany Gmbh | Emergency descent system for large machines |
PL3006267T3 (en) * | 2014-10-09 | 2018-10-31 | Manitou Italia S.R.L. | An apparatus for gaining access to lift vehicles |
US10618472B2 (en) | 2015-08-04 | 2020-04-14 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle and vehicle step apparatus with multiple drive motors |
JP6427472B2 (en) | 2015-08-24 | 2018-11-21 | 株式会社小松製作所 | Work vehicle |
US9816318B2 (en) | 2015-12-11 | 2017-11-14 | David A. Johnson | Powered ladder for large industrial vehicles |
US9994159B2 (en) * | 2016-02-29 | 2018-06-12 | Deere & Company | Multi-position stair assembly for work vehicles |
US10214963B2 (en) | 2016-06-15 | 2019-02-26 | Gse Technologies, Llc | Access platform system with integrated folding steps |
US9914396B1 (en) * | 2016-12-19 | 2018-03-13 | Raymond E Scott | Easy-climb |
DE102017108377B4 (en) * | 2017-04-20 | 2020-02-27 | Alfons Kaltenecker | Construction machine with a driver's cabin |
US11198394B2 (en) | 2018-07-20 | 2021-12-14 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle running board apparatus and retractable device thereof |
US10384614B1 (en) | 2018-07-20 | 2019-08-20 | T-Max (Hangzhou) Technology Co., Ltd. | Vehicle, running board assembly and drive assembly for running board |
CN110012061B (en) | 2019-02-20 | 2022-02-08 | 杭州天铭科技股份有限公司 | Management device for vehicle equipment, vehicle, and server |
WO2020177186A1 (en) | 2019-03-05 | 2020-09-10 | 杭州天铭科技股份有限公司 | Vehicle step bar device and vehicle |
WO2020181617A1 (en) | 2019-03-11 | 2020-09-17 | 杭州天铭科技股份有限公司 | Adjustment apparatus, adjuster, and shock absorber |
GB2586953B (en) * | 2019-07-05 | 2022-04-13 | Jaguar Land Rover Ltd | A ladder assembly for a vehicle |
US11584387B2 (en) | 2019-09-16 | 2023-02-21 | T-Max (Hangzhou) Technology Co., Ltd. | Step apparatus for vehicle and vehicle |
WO2021227616A1 (en) | 2020-05-11 | 2021-11-18 | 杭州天铭科技股份有限公司 | Vehicle footboard device and vehicle |
WO2021227617A1 (en) | 2020-05-11 | 2021-11-18 | 杭州天铭科技股份有限公司 | Vehicle pedal apparatus and vehicle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2611466A (en) * | 1948-04-06 | 1952-09-23 | Don R Biggert | Combined ladder and extensible loading ramp for platforms |
US3012633A (en) * | 1960-04-11 | 1961-12-12 | John E Magee | Foot ladder actuated safety means |
US3190392A (en) * | 1963-01-31 | 1965-06-22 | Massey Ferguson Ltd | Folding ladder for combines |
US3379280A (en) * | 1966-05-06 | 1968-04-23 | Max L. Pace | Folding ladder |
US3508627A (en) * | 1969-02-26 | 1970-04-28 | William A Lypko | Combine ladder |
US3601220A (en) * | 1970-01-05 | 1971-08-24 | Richard Saucier | Retractable ladder |
-
1974
- 1974-06-13 US US479170A patent/US3869022A/en not_active Expired - Lifetime
-
1975
- 1975-05-09 CA CA226,650A patent/CA1018495A/en not_active Expired
- 1975-05-21 GB GB21898/75A patent/GB1494404A/en not_active Expired
- 1975-06-10 JP JP50069254A patent/JPS5182168A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3869022A (en) | 1975-03-04 |
GB1494404A (en) | 1977-12-07 |
JPS5182168A (en) | 1976-07-19 |
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