CA999701A - Dockboard safety stop - Google Patents

Dockboard safety stop

Info

Publication number
CA999701A
CA999701A CA187,708A CA187708A CA999701A CA 999701 A CA999701 A CA 999701A CA 187708 A CA187708 A CA 187708A CA 999701 A CA999701 A CA 999701A
Authority
CA
Canada
Prior art keywords
dockboard
safety stop
safety
stop
dockboard safety
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
Application number
CA187,708A
Other versions
CA187708S (en
Inventor
Vernon O. Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Overhead Door Corp
Original Assignee
Overhead Door Corp
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 Overhead Door Corp filed Critical Overhead Door Corp
Application granted granted Critical
Publication of CA999701A publication Critical patent/CA999701A/en
Expired legal-status Critical Current

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
    • B65G69/287—Constructional features of deck or surround
    • B65G69/2876—Safety or protection means, e.g. skirts
    • B65G69/2882—Safety or protection means, e.g. skirts operated by detectors or sensors
    • 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
    • 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
    • B65G69/287—Constructional features of deck or surround
    • B65G69/2876—Safety or protection means, e.g. skirts
    • 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
    • B65G69/287—Constructional features of deck or surround
    • B65G69/2876—Safety or protection means, e.g. skirts
    • B65G69/2894—Safety legs
CA187,708A 1973-01-22 1973-12-07 Dockboard safety stop Expired CA999701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00325367A US3835497A (en) 1973-01-22 1973-01-22 Dockboard safety stop

Publications (1)

Publication Number Publication Date
CA999701A true CA999701A (en) 1976-11-16

Family

ID=23267592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,708A Expired CA999701A (en) 1973-01-22 1973-12-07 Dockboard safety stop

Country Status (2)

Country Link
US (1) US3835497A (en)
CA (1) CA999701A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984889A (en) * 1974-04-15 1976-10-12 Monroe Auto Equipment Company Loading dock support
US4091488A (en) * 1977-01-12 1978-05-30 Kelley Company Inc. Dockboard utilizing a gas spring for counterbalancing
US4257136A (en) * 1979-05-21 1981-03-24 Argo Engineering Ltd. Hold-down device for dockleveller
US4662021A (en) * 1984-06-25 1987-05-05 Hagen James P Dockboard with a tread plate lock mechanism
US4825493A (en) * 1987-08-12 1989-05-02 Ti Serco Corporation Dock-leveler lock
NL8900557A (en) * 1989-03-07 1990-10-01 Rolflex Oost Nederland MOVABLE LOAD BRIDGE.
US5323503A (en) * 1992-11-05 1994-06-28 Rite-Hite Corporation Lip extension and control device for dock levelers
US5440772A (en) * 1993-07-23 1995-08-15 Rite-Hite Corporation Vehicle-activated safety leg control system for a dock leveler assembly
US6460212B2 (en) 1993-10-04 2002-10-08 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
US5826291A (en) * 1996-10-22 1998-10-27 United Dominion Industries, Inc. Electrically actuated dock leveler
US6216303B1 (en) 1998-03-27 2001-04-17 Kelley Company, Inc. Dock leveler having an improved support leg mechanism
US6327733B1 (en) * 1999-12-10 2001-12-11 United Dominion Ind, Inc. Mechanically actuated dock leveler with hydraulic assist
US6481038B2 (en) * 2001-01-12 2002-11-19 Overhead Door Corporation Self releasing holddown mechanism for dock leveler
US6880301B2 (en) * 2001-03-06 2005-04-19 Rite-Hite Holding Corporation Pivotal and translational dock leveler lip
US6918151B2 (en) 2002-12-20 2005-07-19 Spx Dock Products Inc. Support leg system and method for supporting a dock leveler
US6834409B2 (en) * 2002-12-23 2004-12-28 Nordock, Inc. Dock leveler
US6931686B2 (en) 2003-03-12 2005-08-23 Spx Dock Products Inc. Support leg system and method for supporting a dock leveler
US7047584B2 (en) * 2003-03-12 2006-05-23 Spx Dock Products, Inc. Support leg system and method for supporting a dock leveler
US6820295B2 (en) 2003-03-31 2004-11-23 Kelley Company, Inc. Support leg moving apparatus and method
US20040221404A1 (en) * 2003-04-28 2004-11-11 Brian Bender Double-wall inflatable column assembly for a dock leveler
US7134159B2 (en) * 2004-01-13 2006-11-14 Rite-Hite Holding Corporation Stump-out apparatus for a dock leveler
US7032267B2 (en) * 2004-05-11 2006-04-25 Rite-Hite Holding Corporation Dock leveler with combination safety leg and lip deflector
US7213285B2 (en) * 2004-08-12 2007-05-08 Rite-Hite Holding Corporation Pivotal and vertically translatable dock leveler lip
US20060123569A1 (en) * 2004-12-14 2006-06-15 Rite-Hite Holding Corporation Dock leveler lip providing multi-position barrier
US7503089B2 (en) * 2005-04-05 2009-03-17 Rite-Hite Holding Corporation Inflatable actuator for a dock leveler deck
US8191194B2 (en) * 2006-12-14 2012-06-05 Rite-Hite Holding Corporation Stop and lock for a vertically storing dock leveler
USD769695S1 (en) 2015-03-23 2016-10-25 Nordock, Inc. Sliding barrier dock leveler

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US769201A (en) * 1902-07-26 1904-09-06 Howell Van Blarcom Door-check.
US1468652A (en) * 1918-10-11 1923-09-25 William J Storey Shock absorber
US2421595A (en) * 1945-05-12 1947-06-03 Brown Harold Combined door check and closer
US2841813A (en) * 1954-11-16 1958-07-08 Wright Products Inc Door check
US3255478A (en) * 1962-11-14 1966-06-14 Symington Wayne Corp Power-operated loading ramp
US3249956A (en) * 1963-10-15 1966-05-10 American Welding & Engineering Manually operated dockboard
US3388413A (en) * 1966-04-11 1968-06-18 Autoquip Corp Hydraulic dock ramp controls
GB1294316A (en) * 1969-07-04 1972-10-25 Dermont Franklin Loblick Dockboard installation
US3656199A (en) * 1970-11-02 1972-04-18 Kelley Co Inc Safety mechanism for a hydraulically operated dockboard

Also Published As

Publication number Publication date
US3835497A (en) 1974-09-17

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