A shelf support beam for use in a shelving unit to support a shelf. The support beam includes a first end and a second end located at opposite longitudinal ends of the shelf support beam between which a structural member extends. The structural member has a C-shaped cross-section and includes a web separating a top flange that is configured to support the shelf from a bottom flange. The support beam further includes a tab located at each of the first and second ends of the structural member. Each tab includes a pair of securing fingers that are angled relative to a plane disposed perpendicular to a longitudinal axis of the shelf support beam such that each securing finger is angled inwardly toward a center of the structural member. The support beam further includes an enforcement tab formed in the web at each of the first and second ends of the structural member.

A shelf support beam for use in a shelving unit to support a shelf. The support beam includes a first end and a second end located at opposite longitudinal ends of the shelf support beam between which a structural member extends. The structural member has a C-shaped cross-section and includes a web separating a top flange that is configured to support the shelf from a bottom flange. The support beam further includes a tab located at each of the first and second ends of the structural member. Each tab includes a pair of securing fingers that are angled relative to a plane disposed perpendicular to a longitudinal axis of the shelf support beam such that each securing finger is angled inwardly toward a center of the structural member. The support beam further includes an enforcement tab formed in the web at each of the first and second ends of the structural member.

A chassis quick release device includes a housing including a base provided with a sliding channel, a compression space, and accommodating space, a rotating space and a shaft in the rotating space and covered with a cover, a locking block linearly movably set in the accommodating space and providing a guide groove, a guide chamber, a receiving groove and an elastic member set in the receiving groove, a locking member having a shaft hole coupled to the shaft, a rotary reset member positioned on the shaft, resisting edge located at one end thereof that can rotate and protrude from the housing and a locking edge located at the other end thereof, and an operating handle including a rod body positioned in the sliding channel, the guide groove and the guide chamber and mounted with a grp and having a locking portion stopped against the guide chamber.

A chassis quick release device includes a housing including a base provided with a sliding channel, a compression space, and accommodating space, a rotating space and a shaft in the rotating space and covered with a cover, a locking block linearly movably set in the accommodating space and providing a guide groove, a guide chamber, a receiving groove and an elastic member set in the receiving groove, a locking member having a shaft hole coupled to the shaft, a rotary reset member positioned on the shaft, resisting edge located at one end thereof that can rotate and protrude from the housing and a locking edge located at the other end thereof, and an operating handle including a rod body positioned in the sliding channel, the guide groove and the guide chamber and mounted with a grp and having a locking portion stopped against the guide chamber.

Beams and posts are disclosed. The beams and posts may be used for racks or shelving. The beams and posts may be formed by folding a sheet of metal. For example, the beams and posts may be non-volumous or hollow. Optionally, a portion of the wall of the beam or post is thickened, for example, by folding over the metal back and forth. Optionally, the thickened portion runs the length of the beam or post. In some embodiments, a fastener (e.g., a loop and/or hook) is formed in the thickened portion of the wall. For example, the fastener formed by punching out of the wall. Optionally, the fasteners are used to connect the posts to the beams.

Beams and posts are disclosed. The beams and posts may be used for racks or shelving. The beams and posts may be formed by folding a sheet of metal. For example, the beams and posts may be non-volumous or hollow. Optionally, a portion of the wall of the beam or post is thickened, for example, by folding over the metal back and forth. Optionally, the thickened portion runs the length of the beam or post. In some embodiments, a fastener (e.g., a loop and/or hook) is formed in the thickened portion of the wall. For example, the fastener formed by punching out of the wall. Optionally, the fasteners are used to connect the posts to the beams.

A shelving system comprises four corner columns, a plurality of substantially horizontal support beams, and a plurality of beam braces. Each of the support beams extends between two of the four corner columns, and each support beam is paired with a corresponding second support beam to form pairs of support beams. Each of the beam braces extends between the support beams of one of the pairs of support beams and comprises a first end portion, a second end portion, and a middle portion. The first and second end portions comprise substantially planar faces. The middle portion is between the first end portion and the second end portion and comprises first and second edges, wherein the first end portion and the second end portion extend away from the first and second edges, respectively, in opposite directions.

A post and deck combination for a shelf assembly includes a hollow vertical post having an outer wall with slots at different heights. Each slot has a positioning portion. A coupling board is disposed on an edge of a deck and includes a first insertion groove. A coupling member includes a columnar portion interconnected between first and second ends thereof and having a first section with a diameter smaller than a width of each positioning portion and a second section received in the first insertion groove. The coupling member extends through one of the slots. The positioning portion of the one of the slots is located at the first section. The first insertion groove is coupled with the first end of the coupling member. A first receiving end of the first insertion groove is located on an inclined guiding face of the second section.

A fixing device for a safety screen includes a bracket, a support member and a locking member. The support member includes a plurality of openings, and two of the openings include keyhole slots that are spaced from one another along the support member. Each of the keyhole slots include an enlarged portion and a slot. The bracket includes at least one engagement member that has a shank portion and a head. The head is receivable through the enlarged portion thereof. The shank portion is receivable by the slot of any of the keyhole slots, and the locking member is attached to the bracket. The bracket is engageable with the support member by inserting the head through the enlarged portion. The locking member is engageable with the support member following translational movement of the engagement member along the slot, the locking member thereby locking the engagement member against translational movement.

An adjustable free-standing shelving unit with horizontal shelf support beams suitable for holding one or more wire deck panels, which are detachably mounted to vertical corner posts by way of a unique combination of shoulder bolts, attached to the horizontal support beams, and keyhole slots in the vertical corner posts. In some embodiments, shoulder bolts having a head with a wrench receiving surface, an unthreaded shoulder, and a threaded shank are attached to the horizontal support beams using hex nuts. The keyhole slots, which are formed in each of the angled flat sides of the L-shaped vertical corner posts, are sized so that the heads of the shoulder bolts can be inserted into the wide upper openings of the keyhole and then pushed downwardly so that the unthreaded shoulders of the bolts will slide into the low slots.