A technician's work chair having a frame, an air cushion assembly, a seat assembly, and air hose and a pivoting hose support. The air cushion assembly is attached to the frame and supports the frame on an air cushion formed above a floor surface. The seat assembly has a cushion portion on the frame and a seatback portion with a mechanism that changes an angle of inclination of the seatback portion. A technician seated in the seat assembly can ergonomically operate tools and complete tasks with arms raised over the technician's head. The air hose having a first end connected to a compressed air source and a second end connected to the air cushion assembly. The pivoting hose support biases the air hose to move in a rearward direction relative to the technician's work chair.

A furniture leg protective sock is constructed of a stretchable/expandable non-friction material, which forms an outer surface and an inner surface. The furniture leg protective sock includes non-penetrating material to prevent the furniture leg from piercing through the non-friction material.

A system comprises a wheel assembly including a wheel shaft and first and second wheels rotationally coupled to the wheel shaft; a first bracket coupled to a device rack and including a first open slot, the first open slot including a receiving portion configured to receive the wheel shaft at a first position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards; and a second bracket configured to be coupled to the rack on a second side and including a second open slot, the second open slot including a receiving portion configured to receive the wheel shaft at a second position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards.

A system comprises a wheel assembly including a wheel shaft and first and second wheels rotationally coupled to the wheel shaft; a first bracket coupled to a device rack and including a first open slot, the first open slot including a receiving portion configured to receive the wheel shaft at a first position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards; and a second bracket configured to be coupled to the rack on a second side and including a second open slot, the second open slot including a receiving portion configured to receive the wheel shaft at a second position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards.

A furniture leg protective sock is constructed of a stretchable/expandable non-friction material, which forms an outer surface and an inner surface. The furniture leg protective sock includes friction material which is located on the inner surface of the furniture leg protective sock.

A mobile desk system that allows for the transportation of a seat, a desk, and additional materials by a single user. The desk and associated chair combine to form a transportation unit that can be operated by a user with one hand. The transportation unit can also carry additional equipment. Once the transportation unit is at the desired location, the equipment is offloaded and the desk and chair are set up per the user's needs.

A system comprises a wheel assembly including a wheel shaft and first and second wheels rotationally coupled to the wheel shaft; a first bracket coupled to a device rack and including a first open slot, the first open slot including a receiving portion configured to receive the wheel shaft at a first position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards; and a second bracket configured to be coupled to the rack on a second side and including a second open slot, the second open slot including a receiving portion configured to receive the wheel shaft at a second position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards.

A furniture leg protective sock is constructed of a stretchable/expandable non-friction material, which forms an outer surface and an inner surface. The furniture leg protective sock includes non-penetrating material to prevent the furniture leg from piercing through the non-friction material.

A system comprises a wheel assembly including a wheel shaft and first and second wheels rotationally coupled to the wheel shaft; a first bracket coupled to a device rack and including a first open slot, the first open slot including a receiving portion configured to receive the wheel shaft at a first position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards; and a second bracket configured to be coupled to the rack on a second side and including a second open slot, the second open slot including a receiving portion configured to receive the wheel shaft at a second position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards.

Provided are a foot adjusting system and a refrigerator having same, the foot adjusting system including: a driving rotating wheel, a part of which forms a driving rotating shaft; a drive belt, sleeved on an outer periphery of the driving rotating shaft; and a foot, provided with a screw rod and a driven rotary disc, the screw rod being rotatably screwed into a threaded hole at a bottom of an apparatus where the foot adjusting system is installed, an outer periphery of the driven rotary disc being sleeved with the drive belt to be in a transmission connection with the driving rotating shaft, and the driven rotary disc being fixedly connected to the screw rod or integrated with the screw rod to form a one-piece part so as to drive the screw rod to rotate. The leveling difficulty and the installation difficulty of the apparatus can be reduced.