A door apparatus for closing an access opening and to a parking apparatus equipped therewith. The door apparatus has two vertically aligned guide rails and an inner and an outer door element which are each movably mounted in/on a vertically aligned inner or outer guide of the guide rails. In a closed position, the inner door element is arranged in a first region of the access opening which is situated lower than a second region in which the outer door element is arranged. In an open position, the inner and the outer door element are arranged in a third region of the access opening which is situated higher than the first and the second region. Furthermore, the door apparatus has a locking element and a coupling element.

A three-level vehicle lift. The lift includes a four-post configuration in which each post includes a pair of vertically extending, side-by-side channels. Two platforms are provided. Each includes a carriage configured to engage a respective one of the channels in each post and a hydraulic actuator and lifting cable system disposed within the platform for lifting the platform. An actuation system having a single hydraulic pump is provided with a valve for selectively supplying hydraulic power to either an upper- or a lower-platform hydraulic circuit. The simplified lift and actuation system configuration reduces manufacturing, shipping, installation, and materials costs and complexities.

The disclosure relates to an automated parking device comprising a frame, on which at least one movable, in particular raisable or lowerable platform is provided, and the automated parking device is equipped with a chain, part of which forms at least part of a chain deflection system. The chain deflection system consists of at least one chain piece, preferably a roller chain piece, and a deflection piece.

A cord protector comprising at least one elongated body and at least one coupler. The elongated body has a base and a lid, and has a cavity in each of the first end and second end of the elongated body. The base has a channel extending between the first end and the second end in which a cord may rest. The channel may have one or more ridges. The lid is configured to insert into and cover the channel, and may have one or more grooves sized and shaped to receive a ridge. The coupler has a leading end and a trailing end. The leading end is sized and shaped to mate with the cavity of the first end and the trailing end is sized and shaped to mate with the cavity of the second end. Multiple elongated bodies can be coupled together through the use of the couplers.

The present invention provides a double parallelogram vertical lifting device comprising a linkage mechanism and a pushing device. The linkage mechanism comprises a first shaft seat, a second shaft seat, a third shaft seat, an upper support unit movably coupled to the first shaft seat and the second shaft seat on both ends, and a lower support unit movably coupled to the second shaft seat and the third shaft seat on both ends. The upper support unit is provided with a first gear, and the lower support unit is provided with a second gear that meshes with the first gear. The pushing device has one end set on the upper support unit and the other end set on the lower support unit. The invention utilizes the interaction of the first gear and the second gear to generate a reaction force, which enables the lower support unit to cooperate with the upper support unit to move up and down synchronously, and achieves the effect of simple structure and large load capacity.

A multistorey garage for buses includes: an elevator platform; an elevator transmission system; a vehicle supporting plate; a charging device; and a steel cable set. The elevator platform is positioned on a ground floor of the multistorey garage. The elevator platform includes a storage and retrieval device and a safety leveling device. The elevator transmission system is positioned on a top floor of the multistorey garage. The elevator transmission system and the elevator platform are arranged symmetrically with respect to a horizontal central axis of the multistorey garage. The steel cable set is connected to the elevator transmission system, a counterweight, and the elevator platform. In the multistorey garage, a vehicle supporting plate is provided in each parking space. The charging device is mounted at the vehicle supporting plate. Also provided is a method of using the multistorey garage for buses.

A vehicle parking apparatus includes two front stanchions and two rear stanchions all mounted on a base frame; a top support interconnecting the front stanchions and the rear stanchions; a platform having a rear end moveably secured to the rear stanchions, and two sides moveably secured to the front stanchions; and two elevating assemblies, each including a first pulley on an upper portion of one rear stanchion, a second pulley fixedly disposed on either side of the top support, a third pulley on either side of the platform, a fourth pulley fixedly disposed on a bottom of one rear stanchion, the fourth pulley being driven by a motor, and a rope having one end secured to the base frame, and the other end secured to the top support, the rope sequentially passing through the first pulley, the fourth pulley, the second pulley, and the third pulley.

A parking garage elevator system includes a frame including two front posts, two rear posts, two upper support members each interconnecting upper ends of the front and rear posts of the same side, two middle support members each interconnecting intermediate portions of the front and rear posts of the same side, and two cross braces each interconnecting front ends or rear ends of the upper support members; upper and lower automobile platforms; a power transmitting mechanism including first and second electric motors and two chains each for transferring power from the first electric motor to the upper automobile platform or from the second electric motor to the lower automobile platform; and a safety mechanism including four sets of two safety hooks and a plurality of restrain screws on the upper automobile platform or the lower automobile platform.

For parking a bicycle, a bicycle parking device includes a storage tray, a lifting mechanism, and a rotary platform. The storage tray is located at the bottom of the bicycle parking device and has a plurality of bicycle parking spaces. The lifting mechanism drives a bicycle carrying platform to move up and down. The rotary platform that is rotatably disposed on the lifting mechanism and is docked with the bicycle parking space. The bicycle carrying platform transfers between the bicycle parking space and the rotary platform.

The present invention provides a double parallelogram vertical lifting device comprising a linkage mechanism and a pushing device. The linkage mechanism comprises a first shaft seat, a second shaft seat, a third shaft seat, an upper support unit movably coupled to the first shaft seat and the second shaft seat on both ends, and a lower support unit movably coupled to the second shaft seat and the third shaft seat on both ends. The upper support unit is provided with a first gear, and the lower support unit is provided with a second gear that meshes with the first gear. The pushing device has one end set on the upper support unit and the other end set on the lower support unit. The invention utilizes the interaction of the first gear and the second gear to generate a reaction force, which enables the lower support unit to cooperate with the upper support unit to move up and down synchronously, and achieves the effect of simple structure and large load capacity.