Patents in subclass Bridges/Attached

Parent class: Bridges


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Number Patent title Issue Date
07409739 Dock leveler support frame and method of installation

A dock leveler support frame includes an upper frame member and a substantially vertical frame member connected thereto. The substantially vertical frame member includes both a structural member and a height-adjusting leg assembly. The...
08/12/2008
07383600 Convertible dock ramp

A convertible dock ramp has an upper end pivotally mounted to a mounting structure, and a lower end resting on a second structure. The dock ramp includes a pair of spaced-apart side frames each including upper and lower rails; and a...
06/10/2008
07363670 Formed front header for a dock leveler

A dock leveler includes a pivotally extendable lip coupled to a pivotal deck by way of a front hinge, wherein the structure in the area of the front hinge optimizes the torsional flexibility of the deck; provides a well supported, durable...
04/29/2008
07334281 Weather shield for underneath a dock leveler

A shield system for shielding the area underneath a dock leveler allows a gap to be created either above or below the shield when the deck rises, whereby a shield of a given height dimension can used on dock levelers of various lift...
02/26/2008
07305730 Freight loading bumper

This is a bumper system which protects the area of the dock on a warehouse from unnecessary damage by trailers, forklifts and the like. The devices will be secured to the front of a loading dock and will have a rubber bumper to absorb the...
12/11/2007
07278242 Pre-cast dock leveler pit

A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each...
10/09/2007
07228582 Extendable ramp for boats and vehicles

An extendable ramp apparatus is provided for automatically extending a ramp. The apparatus comprises a generally rectangular frame with a track for movement of a carriage pivotally connected to a ramp along the track. The ramp pivots...
06/12/2007
07225493 Support leg system and method for supporting a dock leveler

A method and apparatus for supporting a dock leveler in a manner to reduce the effects of free fall and stump-out. The apparatus includes the use of a retractable support leg. The method includes maintaining the support leg in a support...
06/05/2007
07216391 Constant radius dock leveler hinge

A dock leveling system adapted to be disposed in a pit is disclosed. A hinge member with a hinge pin receiving area and a hinge pin disposed in the hinge member defines a center of rotation. A deck that is rotatable about the hinge pin...
05/15/2007
07216392 Support leg system and method for supporting a dock leveler

A dock leveler including a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. Also, a dock leveler including a multi-tiered lip keeper...
05/15/2007
07213285 Pivotal and vertically translatable dock leveler lip

A dock leveler includes a lip that not only pivots between an extended operative position and a pendant position relative to a deck but also translates in its pendant position between blocking and non-blocking positions. A fastener...
05/08/2007
07213286 Vertically-storing dock leveler apparatus and method

A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading docket. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored...
05/08/2007
07213798 Method and apparatus for retrieving submerged vehicles

A submerged vehicle extraction method employing a specifically designed apparatus known as the submerged vehicle extractor. The primary purpose of the submerged vehicle extractor is to facilitate the transferring of a vehicle that has...
05/08/2007
07185381 Pet ramp for trucks

A ramp for accessing a truck cab. A planar platform extends outwardly from the top step of the truck cab and has a straight edge that is substantially perpendicular to the axis of movement of the truck cab. A support member extends...
03/06/2007
07162761 Vertically-storing dock leveler apparatus and method

A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored...
01/16/2007
07159261 Convertible dock ramp

A convertible dock ramp has an upper end for being pivotally mounted to a mounting structure, and a lower end for resting on a second structure. The convertible dock ramp includes a pair of spaced-apart side frames each including upper...
01/09/2007
07146673 Weather shield for underneath a dock leveler

A shield system for shielding the area underneath a dock leveler allows a gap to be created either above or below the shield when the deck rises, whereby a shield of a given height dimension can used on dock levelers of various lift...
12/12/2006
07134159 Stump-out apparatus for a dock leveler

A closed loop reciprocating fluid circuit apparatus for mechanically powered and electromechanically powered dock levelers, which may be mounted at a forward edge of a dock leveler to selectively engage the dock leveler during pivotal...
11/14/2006
07131160 Vertically-storing dock leveler apparatus and method

A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored...
11/07/2006
07103935 Marine gangway to enable handicapped users to move between floating and fixed landings and related methods

A marine gangway to enable handicapped users to move between floating and fixed landings may include a gangway ramp extending between the floating and fixed landings, and at least one rail carried by the gangway ramp. The marine gangway...
09/12/2006
07100233 Vertically-storing dock leveler apparatus and method

A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored...
09/05/2006
07069611 Regional boarding ramp for commuter aircraft

A walkway having a series of fixed height corridor units and an inclined gangway unit at its forward end. The units are articulatingly connected and selectively collapsible. The gangway is selectively variable in height, being provided...
07/04/2006
07062813 Support leg system and method for supporting a dock leveler

An apparatus for supporting a dock leveler in a manner to reduce the effects of free fall and stump-out. The apparatus includes the use of a retractable support leg.
06/20/2006
07047584 Support leg system and method for supporting a dock leveler

In one embodiment, a dock leveler includes a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. In another embodiment, a dock leveler...
05/23/2006
07043790 Vertically-storing dock leveler apparatus and method

A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored...
05/16/2006
07032267 Dock leveler with combination safety leg and lip deflector

To permit below-dock level end-loading operations and to limit accidental freefalling of a dock leveler's deck, a dock leveler includes a unique support mechanism that employs one or more safety legs with an integral or operatively...
04/25/2006
07030354 Automatically controlling apparatus and an automatically controlling system of a boarding bridge, which can improve a reliability due to an automatic operation, and a position matching method of a boarding bridge

An automatic controlling apparatus of a boarding bridge to match a position of the boarding bridge with an airplane, includes: a light irradiator, an optical sensor, and an actuator. The light irradiator irradiates a light to the...
04/18/2006
07017220 Spring counterbalance method and apparatus for variably biasing a dock leveler

A counter balance mechanism for a mechanically-operated, vertically-storing dock leveler that can upwardly bias the dock leveler at desired angles of rotation and downwardly bias the dock leveler at other angles of rotation, and neutrally...
03/28/2006
06988289 Dock levelers

A dock leveler has a support with a deck pivotally secured to the support at one end for movement between a stored position and an elevated position. A deck lip is pivotally connected to the deck assembly for movement between a pendant...
01/24/2006
06983720 Paw cleaning louvered ramp for cat litter box

A louvered ramp, that serves as a cat's paw-cleaning entry and exit ramp, ascending to, and descending from, a cat litter box.
01/10/2006
06973693 Dock leveler assembly with adjustable automatic release

A dock leveler assembly includes a base and a ramp that is pivotably movable under the influence of a biasing arrangement to a raised position. The ramp is lowered into engagement with a truck bed, preferably via a lip connected to the...
12/13/2005
RE038804 Aircraft passenger boarding bridge system

.[.A cab connected to an aircraft boarding bridge walkway apron end having a forward frame section supporting a passenger floor, the section can be moved laterally relative to the apron end, and the floor having floor panels that can be...
10/04/2005
06951041 Vertically-storing dock leveler apparatus and method

A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored...
10/04/2005
06942271 Truck bed step apparatus

A truck bed step apparatus includes a ladder assembly with a pair of side rails and a plurality of steps that are attached to and extend between the side rails. The side rails are each divided into a plurality of segments such that a...
09/13/2005
06931686 Support leg system and method for supporting a dock leveler

A dock leveler includes a support leg system configured to remain in a support position when the dock leveler descends rapidly and retract when the dock leveler descends slowly. A disengaging system is also included to disengage the...
08/23/2005
06922955 Pre-cast dock leveler pit

A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each...
08/02/2005
06923140 Boat access stairway

A boat access stairway having a landing attachable to a pier, a ramp which can be raised, lowered and slewed and a platform at the free end of the ramp whose orientation relative to a boat positioned parallel to the pier remains the same...
08/02/2005
06912750 Dock leveler with dual function hydraulic mechanism

A hydraulically operated dock leveler having a single cylinder that raises the ramp and extends the lip. The leveler includes a ramp assembly that is hinged at its rear edge to a supporting structure and a lip that is hinged to the...
07/05/2005
06887028 Ramp-rack for a truck or other transport vehicle

A device called a ramp-rack may be used as a rack for the body of a stake body truck in a first mode, and as a ramp in a second mode, for rolling equipment between the bed and the ground. The ramp-rack may be hinged, so when used as a...
05/03/2005
06880194 Portable ramp assembly

A portable ramp assembly has many uses, but is especially designed to fit within the flat bed of a pick-up truck which, for example, has an eight foot long flat bed. The assembly comprises a housing which is sufficiently wide to...
04/19/2005
06880301 Pivotal and translational dock leveler lip

A dock leveler, for bridging the gap between a loading dock platform and a vehicle at the dock, includes an adjustably overlapping lip and ramp that provide a traffic surface of variable length to accommodate situations where there is...
04/19/2005
06842930 Run-off guard for a dock leveler

The dock leveler is adapted to be mounted to a loading dock and includes a ramp, a guard, and a biasing member. The ramp is rotatably coupled to the loading dock and the guard is rotatably coupled to the ramp. The guard is rotated between...
01/18/2005
06832403 Moveable bumper for a dock leveler

A dock leveler system includes a pivotal deck whose movement provides the impetus for moving a bumper between an operative position and a retracted position. The bumper is movable relative to the deck, so that after a truck bumps up...
12/21/2004
06813792 Gangway including an articulated ramp and ladder

A gangway includes a ladder, which is removably attachable to extend along a side of a boat, and a ramp, which is removably and pivotally attachable to the ladder at a number of vertically spaced locations. The ladder may include a step...
11/09/2004
06804850 Loading dock with lip protecting bumpers

A dock leveler and installation thereof having a bumper assembly to protect the deck and the lip of the leveler. In one embodiment the dock leveler comprises a pivotable deck and a lip attached to the deck at one end thereof. A bumper is...
10/19/2004
06802095 Ramp assembly having a lift and lock mechanism

A ramp assembly for installation in a vehicle includes a ramp platform having a stowed configuration in the vehicle, a deployed configuration extending from the vehicle, and a lift and lock mechanism. The lift and lock mechanism is...
10/12/2004
06782577 Knock-down quarter pipe for skateboarders, bikers and in-line skaters

A knock-down quarter pipe for bikers, skateboarders and in-line skaters has a base, and a plurality of legs extending up from the base, the legs having lower ends lying in a common plane. A deck is supported by the legs at a selected...
08/31/2004
06739011 Vertically movable dock bumper device

A vertically movable loading dock bumper device to be attached to a loading dock and interposed between the loading dock and a vehicle during the loading/unloading process, in which the vertical movement of the bumper is in concert with...
05/25/2004
06739279 Portable dock structure

A portable dock structure for the temporary docking of boats, particularly of pontoon or houseboats and the like, the dock structure having a gangway having an anchor end adapted for securing the structure to the shore of a body of water...
05/25/2004
06722612 Method and apparatus for controlling passenger flow into and out of aircraft

A method and apparatus for controlling passenger flow into and out of an aircraft. The apparatus can include a walkway elongated along a longitudinal axis and having a first portion and a second portion with the first portion configured...
04/20/2004

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