Abstract: A slat connecting system is provided for a roll-up truck bed cover comprising an array of a plurality of contiguously arranged elongated slats. The elongated slats are pivotably hinged together, wherein an elongated slat comprises a main slat body having a first elongated edge and an opposite second elongated edge, a first elongated hinge member is provided in the vicinity of the first elongated edge along its length, and a second elongated hinge member is provided in the vicinity of the second elongated edge along its length, wherein the first elongated hinge member of a slat of the array of the plurality of contiguously arranged elongated slats is configured for being pivotably interconnected to the second elongated hinge member of the adjacent slat of said array.

Abstract: A rear corner element for a truck bed cover serve to guide rainwater exterior to the truck bed wall. The rear corner element has a mounting part and a cover part. The mounting part has a base mounting part adapted for being secured on top of the rear end of a side wall of the truck bed in elongated of a coupling rail adapted for mounting a roll-up truck bed cover to said side wall of the truck bed, a first front end part configured to be assembled to a free rear end of the coupling rail in lengthwise extension of said coupling rail, a first rear end part opposite the first front end part, and at least one rainwater diverting channel and/or chamber extending lengthwise of the mounting part from the rainwater inlet to the first rear end part.

Abstract: A lid arrangement for a canister for a rollup truck bed cover comprises a lid and a canister. The canister has a main housing part and opposite housing end parts. The lid spans between said housing end parts across the main housing part, and the lid is pivotally connected to at least one of the housing end parts. The pivotal lid need not be taken fully off the canister when access is needed to the main housing part, e.g. to inspect the drain(s) or wipe up water inside the canister.

Abstract: A drive system serves for reciprocating, between an extended position and a retracted position, a roll-up truck bed cover above a truck bed, said roll-up truck bed cover being composed of a rear profile, a plurality of elongate slats that are hinged together and has a foremost front slat, said drive system comprising at least one reciprocating means adapted for reciprocating the roll-up truck bed cover, and at least one reversible electric motor adapted for driving the reciprocating means. The at least one reciprocating means comprises at least one pulley system comprising at least one set of pulleys and at least one drive belt, which at least one set of pulleys includes a driven pulley and an idle pulley, and the drive belt is secured to the rear profile of the roll-up truck bed cover.