A loading platform for use in building construction, the loading platform comprising a support structure adapted to be fixed to a building and extend outwardly from the building; and a deck mountable to the support structure such that the deck extends from the building, the support structure being configured such that at least a portion of an upper surface of the support structure extends level with or below a floor surface of the building when fixed to the building.

A loading platform for use in building construction, the loading platform comprising a support structure adapted to be fixed to a building and extend outwardly from the building; and a deck mountable to the support structure such that the deck extends from the building, the support structure being configured such that at least a portion of an upper surface of the support structure extends level with or below a floor surface of the building when fixed to the building.

A tray assembly is provided for use with a carrier in a product sortation system. The tray assembly includes a platform to receive parcels loaded onto the carrier. A pair of movable edge members are disposed at opposite sides of the platform. Each edge member is integrated with a combination including a pair of pivotable support arms and a spring element intermediate of the support arms. Each support arm supports its edge member at one end and is pivotally mounted at another end to a tray framework. The spring element is fixedly mounted at one end to the tray framework and is connected at another end to its edge member in a biasing relationship. In response to an applied load resulting from a parcel bearing down on the edge member, the support arms pivot downward in a manner sufficient to allow the parcel to reach and then rest on the tray platform. At the same time as the support arms pivot, the spring element deflects. After the package is unloaded from the tray platform, the return action of the spring restores the edge members back to their original location, as guided by the support arms.

A tray assembly is provided for use with a carrier in a product sortation system. The tray assembly includes a platform to receive parcels loaded onto the carrier. A pair of movable edge members are disposed at opposite sides of the platform. Each edge member is integrated with a combination including a pair of pivotable support arms and a spring element intermediate of the support arms. Each support arm supports its edge member at one end and is pivotally mounted at another end to a tray framework. The spring element is fixedly mounted at one end to the tray framework and is connected at another end to its edge member in a biasing relationship. In response to an applied load resulting from a parcel bearing down on the edge member, the support arms pivot downward in a manner sufficient to allow the parcel to reach and then rest on the tray platform. At the same time as the support arms pivot, the spring element deflects. After the package is unloaded from the tray platform, the return action of the spring restores the edge members back to their original location, as guided by the support arms.

An aircraft loader 54 includes an upper loading platform 50 and an underlying frame 52 with the frame utilizing the bogey suspension system 60, as well as carrying auxiliary lift system 400 at the rearward end thereof for assisting in the initial lifting of the platform relative to the frame. Powered roller assemblies 100, 110, 120, and 130, composed of hollow drive shafts, may be conveniently assembled and disassembled from the underside of loading platform 50. A plurality of upwardly convex-shaped static slider elements 200 facilitate unidirectional movement of loads on the platform 50. At the forward end of the platform, a guard or side rail 316 is rotatable from a retracted position within the confines of a control platform 68 to a forwardly directed position toward the fuselage of the aircraft. The side rail 316 is shaped to resemble the exterior cross-sectional shape of the fuselage, thereby to close the gap between the forward end of the loading platform and the fuselage, for the protection of loader personnel.

Example vehicle restraints with a barrier having rotational and translational motion are described. An example vehicle restraint includes a carriage frame movable vertically relative to the dock. A drive shaft is supported by the carriage frame. A drive unit is to rotate the drive shaft about a shaft axis and relative to the carriage frame. A hub is connected to rotate with the drive shaft about the shaft axis, the hub having an outer diameter surface that is radially off center relative to the shaft axis. A barrier defines a bore that encircles the outer diameter surface of the hub. The barrier is movable selectively to an extended position and a retracted position. The barrier being connected to move selectively to the extended position and the retracted position in response to relative rotation between the outer diameter surface of the hub and the bore of the barrier.

Example vehicle restraints with a barrier having rotational and translational motion are described. An example vehicle restraint includes a carriage frame movable vertically relative to the dock. A drive shaft is supported by the carriage frame. A drive unit is to rotate the drive shaft about a shaft axis and relative to the carriage frame. A hub is connected to rotate with the drive shaft about the shaft axis, the hub having an outer diameter surface that is radially off center relative to the shaft axis. A barrier defines a bore that encircles the outer diameter surface of the hub. The barrier is movable selectively to an extended position and a retracted position. The barrier being connected to move selectively to the extended position and the retracted position in response to relative rotation between the outer diameter surface of the hub and the bore of the barrier.

An auxiliary convey mechanism for goods in a vehicle compartment, comprising a plurality of splice plates, a plurality of surface boards, a plurality of support frames, a plurality of conveying assemblies and a plurality of avoidance gaps. Each of the conveying assemblies comprises a lifting frame and rollers. Avoidance gaps are formed between two adjacent support frames of the support frames along a length direction of a surface board of the surface boards. Each of the conveying assemblies is disposed in each of the support frames, and each of the surface boards is bent along a width direction of the surface board to have a corrugated shape. The auxiliary convey mechanism for goods in the vehicle compartment has higher structural stability while without occupying the transport space of a truck.

Fall restraint equipment comprising a mobile access unit having a mobile platform portion, a ladder portion, and a cage portion. The components of the fall restraint equipment are formed from butterflying, lasering, cutting, bending, and/or stamping continuous pieces of tubular and sheet metal. The components of the mobile access unit are modular and include adapters of varying height that cause the mobile access unit to exhibit varying height. Also, the mobile access unit is adaptable so that it can roll in a first direction of orientation of the ladder or a second direction perpendicular to the first direction.

Fall restraint equipment comprising a mobile access unit having a mobile platform portion, a ladder portion, and a cage portion. The components of the fall restraint equipment are formed from butterflying, lasering, cutting, bending, and/or stamping continuous pieces of tubular and sheet metal. The components of the mobile access unit are modular and include adapters of varying height that cause the mobile access unit to exhibit varying height. Also, the mobile access unit is adaptable so that it can roll in a first direction of orientation of the ladder or a second direction perpendicular to the first direction.