A plate picking-up device removes a plate from a container with a lid on a conveying path that is configured to convey items including the container along a predetermined conveyance direction. The plate picking-up device includes: a gripping member that is configured to grip a circumferential edge of the plate; a moving member that is configured to move the gripping member at least in a horizontal direction; and a control unit that is configured to: control the moving member to horizontally move the gripping member to the circumferential edge of the plate placed in the container with the lid being open, and then control the gripping member to grip the circumferential edge of the plate; and control the moving member to remove the plate in the horizontal direction from the container while the circumferential edge of the plate is being gripped by the gripping member.

A plate picking-up device removes a plate from a container with a lid on a conveying path that is configured to convey items including the container along a predetermined conveyance direction. The plate picking-up device includes: a gripping member that is configured to grip a circumferential edge of the plate; a moving member that is configured to move the gripping member at least in a horizontal direction; and a control unit that is configured to: control the moving member to horizontally move the gripping member to the circumferential edge of the plate placed in the container with the lid being open, and then control the gripping member to grip the circumferential edge of the plate; and control the moving member to remove the plate in the horizontal direction from the container while the circumferential edge of the plate is being gripped by the gripping member.

A tray module includes a bottom plate, a ring-shaped member, a limiting member, an elastic member and a tray. The ring-shaped member is disposed over the bottom plate and includes a plurality of rolling portions facing the bottom plate. The limiting member is disposed at a periphery of the ring-shaped member and over the ring-shaped member, so that the ring-shaped member is only able to move within a region defined by the limiting member. The elastic member is directly or indirectly connected between an inner ring surface of the ring-shaped member and an upper surface of the bottom plate. The tray is disposed over the limiting member and configured to connect the ring-shaped member.

A tray module includes a bottom plate, a ring-shaped member, a limiting member, an elastic member and a tray. The ring-shaped member is disposed over the bottom plate and includes a plurality of rolling portions facing the bottom plate. The limiting member is disposed at a periphery of the ring-shaped member and over the ring-shaped member, so that the ring-shaped member is only able to move within a region defined by the limiting member. The elastic member is directly or indirectly connected between an inner ring surface of the ring-shaped member and an upper surface of the bottom plate. The tray is disposed over the limiting member and configured to connect the ring-shaped member.

A carrier body is used in a restaurant having a conveying path that has a curve and is configured to convey food and beverages. The carrier body is conveyed along the conveying path and includes: a plurality of supports placed on the conveying path; a plurality of connecting members each connected or fixed to a pair of adjacent supports of the plurality of supports to rotatably connect one of the pair of adjacent supports to the other of the pair of adjacent supports about an axis extending in a vertical direction; and an elongated promotional object configured to provide notification or performance to a customer in the restaurant, the promotional object being longer than twice or more a width of the conveying path.

A table cover assembly for enclosing items over a table to protect the items from pests or other environmental hazards includes a base and a canopy. The canopy defines a cavity and is removably positionable atop the base in a covering position wherein the base covers an opening to the cavity. The canopy defines a plurality of access openings which extend through the canopy to the cavity. A plurality of doors is mounted to the canopy. Each door is movable to access the cavity from outside the canopy through at least one of the plurality of access openings of the canopy. The canopy may be rigid and may support a track for slidably moving the doors over any of the access openings. A turntable is provided for moving the items closer to a user.

A table cover assembly for enclosing items over a table to protect the items from pests or other environmental hazards includes a base and a canopy. The canopy defines a cavity and is removably positionable atop the base in a covering position wherein the base covers an opening to the cavity. The canopy defines a plurality of access openings which extend through the canopy to the cavity. A plurality of doors is mounted to the canopy. Each door is movable to access the cavity from outside the canopy through at least one of the plurality of access openings of the canopy. The canopy may be rigid and may support a track for slidably moving the doors over any of the access openings. A turntable is provided for moving the items closer to a user.