NO132315B - - Google Patents

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Publication number
NO132315B
NO132315B NO4217/69A NO421769A NO132315B NO 132315 B NO132315 B NO 132315B NO 4217/69 A NO4217/69 A NO 4217/69A NO 421769 A NO421769 A NO 421769A NO 132315 B NO132315 B NO 132315B
Authority
NO
Norway
Prior art keywords
limb
spring
loading
arm
supporting structure
Prior art date
Application number
NO4217/69A
Other languages
English (en)
Norwegian (no)
Other versions
NO132315C (xx
Inventor
M Smith
Original Assignee
Kelley Co Inc
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 Kelley Co Inc filed Critical Kelley Co Inc
Publication of NO132315B publication Critical patent/NO132315B/no
Publication of NO132315C publication Critical patent/NO132315C/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/28—Loading ramps; Loading docks
    • B65G69/2805—Loading ramps; Loading docks permanently installed on the dock
    • B65G69/2811—Loading ramps; Loading docks permanently installed on the dock pivoting ramps
    • B65G69/2835—Loading ramps; Loading docks permanently installed on the dock pivoting ramps with spring-operated means
    • B65G69/2841—Loading ramps; Loading docks permanently installed on the dock pivoting ramps with spring-operated means extensible by pivoting parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
NO4217/69A 1968-10-23 1969-10-23 NO132315C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77005468A 1968-10-23 1968-10-23

Publications (2)

Publication Number Publication Date
NO132315B true NO132315B (xx) 1975-07-14
NO132315C NO132315C (xx) 1975-10-22

Family

ID=25087329

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4217/69A NO132315C (xx) 1968-10-23 1969-10-23

Country Status (12)

Country Link
US (1) US3528118A (xx)
AT (1) AT302183B (xx)
BE (1) BE739635A (xx)
CH (1) CH508544A (xx)
DE (1) DE1952962C3 (xx)
DK (1) DK125539B (xx)
ES (1) ES372703A1 (xx)
FR (1) FR2030064A1 (xx)
GB (1) GB1262555A (xx)
NL (1) NL6915927A (xx)
NO (1) NO132315C (xx)
SE (1) SE347935B (xx)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014059A (en) * 1975-07-28 1977-03-29 Kelley Company, Inc. Frame construction for a dockboard
US4068338A (en) * 1976-10-01 1978-01-17 Kelley Company, Inc. Ramp construction for a dockboard
US4328602A (en) * 1980-11-12 1982-05-11 Kelley Company Inc. Safety leg construction for a dockboard
US4402100A (en) * 1981-09-09 1983-09-06 Kelley Company, Inc. Lip counterbalancing mechanism for a dockboard
US4398315A (en) * 1981-12-21 1983-08-16 Kelley Company, Inc. Yieldable and releasable lip lifting mechanism for a dockboard
US4525887A (en) * 1983-07-05 1985-07-02 Kelley Company, Inc. Counterbalancing mechanism for the ramp of a dockboard
US4813305A (en) * 1986-09-08 1989-03-21 Triodyne, Inc. Safety mechanism for vertical closure
NL8900557A (nl) 1989-03-07 1990-10-01 Rolflex Oost Nederland Beweegbare laadbrug.
EP0620880A4 (en) * 1991-12-26 1995-05-10 Kelley Co Inc KAIAN FITTING DEVICE WITH INFLATABLE SACK.
US5481774A (en) * 1993-10-04 1996-01-09 Kelley Company, Inc. Support mechanism for a dockleveler lift bag
US5600859A (en) * 1995-01-31 1997-02-11 Kelley Company, Inc. Dock leveler in which the ramp is raised and lowered using an inflatable member and method of use
US5996156A (en) * 1995-01-31 1999-12-07 Kelley Company, Inc. Dock leveler raised by deflating an inflatable member
US5802650A (en) * 1993-10-04 1998-09-08 Kelley Company, Inc. Dock leveler having an inflatable member
US6711774B2 (en) 1993-10-04 2004-03-30 Kelley Company, Inc. Dock leveler having an inflatable member
US5471693A (en) * 1993-10-04 1995-12-05 Kelley Company Inc. Support and attachment mechanism for a dockleveler lift bag
US5446938A (en) * 1993-10-04 1995-09-05 Kelley Company Inc. Bag construction for a dockleveler
US6460212B2 (en) 1993-10-04 2002-10-08 Kelley Company, Inc. Dock leveler having an inflatable member
US5522108A (en) * 1995-01-31 1996-06-04 Kelley Company, Inc. Dock leveler having a ramp movable to a raised position by inflation of an inflatable member, with a filler for occupying volume within the inflatable member
US5475888A (en) * 1995-01-31 1995-12-19 Kelley Company, Inc. Lip lifting mechanism for a dock leveler
US5522107A (en) * 1995-01-31 1996-06-04 Kelley Company, Inc. Retaining arrangement for an inflatable member in a dock leveler
US5774920A (en) * 1996-05-20 1998-07-07 United Dominion Industries, Inc. Electrically actuated dock leveler
US6125491A (en) * 1998-09-21 2000-10-03 United Dominion Industries, Inc. Counterbalance for mechanical dock leveler
US6327733B1 (en) * 1999-12-10 2001-12-11 United Dominion Ind, Inc. Mechanically actuated dock leveler with hydraulic assist
CA2365724C (en) 2001-12-21 2009-10-27 Pentalift Equipment Corporation Dock levelers
US20040221404A1 (en) * 2003-04-28 2004-11-11 Brian Bender Double-wall inflatable column assembly for a dock leveler
US7503089B2 (en) * 2005-04-05 2009-03-17 Rite-Hite Holding Corporation Inflatable actuator for a dock leveler deck
CN105292947A (zh) * 2015-10-28 2016-02-03 芜湖市恒浩机械制造有限公司 一种导轨可变式斜坡运输设备
CN110644549B (zh) * 2019-08-16 2023-09-01 黄河机械有限责任公司 渠道边坡藻泥生态清除多功能车

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1262930A (en) * 1918-01-12 1918-04-16 Vicente Garcia Diaz Ramp or inclined runway for vehicles.
US3216373A (en) * 1963-12-16 1965-11-09 Pullman Inc Bridge plate counterbalance device
US3299456A (en) * 1964-10-05 1967-01-24 Unarco Industries Dockboard
US3411168A (en) * 1966-06-20 1968-11-19 Loomis Machine Company Dockboard
US3444574A (en) * 1966-10-06 1969-05-20 F & S Equipment Co Dockboard construction

Also Published As

Publication number Publication date
DE1952962A1 (de) 1970-05-06
NO132315C (xx) 1975-10-22
FR2030064A1 (xx) 1970-10-30
GB1262555A (en) 1972-02-02
DE1952962C3 (de) 1975-12-04
ES372703A1 (es) 1971-11-01
NL6915927A (xx) 1970-04-27
DK125539B (da) 1973-03-05
BE739635A (xx) 1970-03-02
US3528118A (en) 1970-09-15
DE1952962B2 (de) 1975-04-24
SE347935B (xx) 1972-08-21
AT302183B (de) 1972-10-10
CH508544A (de) 1971-06-15

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