CA2029274A1 - Assemblage a deplacement automatique, permettant de monter des escaliers, pour chariot a bras - Google Patents
Assemblage a deplacement automatique, permettant de monter des escaliers, pour chariot a brasInfo
- Publication number
- CA2029274A1 CA2029274A1 CA2029274A CA2029274A CA2029274A1 CA 2029274 A1 CA2029274 A1 CA 2029274A1 CA 2029274 A CA2029274 A CA 2029274A CA 2029274 A CA2029274 A CA 2029274A CA 2029274 A1 CA2029274 A1 CA 2029274A1
- Authority
- CA
- Canada
- Prior art keywords
- frame
- stair climber
- hand truck
- repositionable
- wheels
- 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.)
- Granted
Links
- 241001503987 Clematis vitalba Species 0.000 title abstract 3
- 230000005484 gravity Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/25—Wheel arrangements; Steering; Stability; Wheel suspension characterised by the ground engaging elements, e.g. wheel type
- B62B2301/256—Wheel arrangements; Steering; Stability; Wheel suspension characterised by the ground engaging elements, e.g. wheel type by using endless belts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US431,774 | 1989-11-06 | ||
US07/431,774 US5042827A (en) | 1989-11-06 | 1989-11-06 | Automatically shifting stair climber structure for a repositionable hand truck |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2029274A1 true CA2029274A1 (fr) | 1991-05-07 |
CA2029274C CA2029274C (fr) | 1996-10-15 |
Family
ID=23713372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002029274A Expired - Fee Related CA2029274C (fr) | 1989-11-06 | 1990-11-05 | Assemblage a deplacement automatique, permettant de monter des escaliers, pour chariot a bras |
Country Status (2)
Country | Link |
---|---|
US (1) | US5042827A (fr) |
CA (1) | CA2029274C (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5253410A (en) * | 1991-04-08 | 1993-10-19 | Magline, Inc. | Retractable underbody truck ramp and method of making |
US5199150A (en) * | 1991-04-08 | 1993-04-06 | Magline, Inc. | Method of constructing a retractable underbody truck ramp |
US5207439A (en) * | 1992-02-21 | 1993-05-04 | Magline, Inc. | Improvements in hand trucks with pivotally connected, spreadable, wheel-supported, auxiliary support frames |
US5253881A (en) * | 1992-08-24 | 1993-10-19 | Harper Trucks, Inc. | Hand truck stair crawler assembly |
GB2346851B (en) | 1998-07-31 | 2001-04-04 | Ferno Washington | Chairs |
US6347907B1 (en) * | 2000-01-06 | 2002-02-19 | David Halstead | Dolly and method of use |
US20060191724A1 (en) * | 2002-09-06 | 2006-08-31 | David Mairose | Appliance transporting system |
US6945545B2 (en) * | 2003-01-22 | 2005-09-20 | Giuliano Celli | Multi function hand truck |
AT412777B (de) * | 2003-03-04 | 2005-07-25 | Bierma Jochum | Treppengängiger handwagen |
US20050161916A1 (en) * | 2004-01-27 | 2005-07-28 | Taylor Michael B. | All terrain cart with suspension |
BE1016391A3 (nl) * | 2004-12-22 | 2006-10-03 | Heylen Jos | Inrichting voor het opnemen en transporteren van lasten. |
US7520347B2 (en) * | 2005-08-11 | 2009-04-21 | Ferno-Washington, Inc. | Stair chair with an adjustable glide track resistance and braking device |
US7487976B1 (en) * | 2006-06-15 | 2009-02-10 | Williams Mychael J | Hand truck |
US20080296853A1 (en) * | 2007-06-01 | 2008-12-04 | Langford Christopher J | Stair assist robot mechanism and method |
WO2013096370A1 (fr) | 2011-12-20 | 2013-06-27 | Sabin Douglas G | Appareil, système et procédé pour un chariot de portée de charge |
US8439371B1 (en) * | 2012-05-05 | 2013-05-14 | Jorge Vazquez | Dolly system for transporting objects up and down stairs |
US20140271095A1 (en) * | 2013-03-15 | 2014-09-18 | Ell Operations, Inc. | Stair traversing delivery apparatus |
DE102013102765A1 (de) * | 2013-03-19 | 2014-09-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Transportvorrichtung |
US20150001020A1 (en) * | 2013-06-26 | 2015-01-01 | King Fahd University Of Petroleum And Minerals | Luggage sliders |
CN104973105A (zh) * | 2014-04-05 | 2015-10-14 | 张德海 | 简易爬楼手拉车 |
US20210114646A1 (en) * | 2019-10-17 | 2021-04-22 | Tadao Hashimoto | Suitcase and hand truck for ascending and descending stairs |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2132069A (en) * | 1937-10-02 | 1938-10-04 | Cary B Hall | Hand truck |
DE808411C (de) * | 1949-10-21 | 1951-07-16 | Gustav Schmidt | Hilfsgeraet fuer Kinderwagen zum Befahren von Treppen |
US2715533A (en) * | 1951-04-02 | 1955-08-16 | Chester S Strausburg | Collapsible cart |
US3997182A (en) * | 1975-05-27 | 1976-12-14 | Magline, Inc. | Two-wheeled hand trucks |
US4130291A (en) * | 1976-11-10 | 1978-12-19 | Magnus Saethre | Shopping cart capable for use on stairs |
DE3169923D1 (en) * | 1981-01-15 | 1985-05-15 | Reinhold Rose | Handcart |
US4473234A (en) * | 1981-11-09 | 1984-09-25 | Egen David P | Carriage for traversing stairs |
US4762333A (en) * | 1987-01-05 | 1988-08-09 | Magline, Inc. | Repositionable hand truck |
-
1989
- 1989-11-06 US US07/431,774 patent/US5042827A/en not_active Expired - Lifetime
-
1990
- 1990-11-05 CA CA002029274A patent/CA2029274C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2029274C (fr) | 1996-10-15 |
US5042827A (en) | 1991-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |