A creeper (AEROCREEPER) that is used by a maintenance worker, pilot, mechanic, factory worker, etc. to give them easy access underneath and around planes, automobiles, factory equipment, etc. The AEROCREEPER is adjusted to various heights by the operator to support the operator's body in the optimal position for the task. The AEROCREEPER can be easily and quickly adjusted to the desired position. The AEROCREEPER is made up of four main assemblies: base assembly, backrest assembly, support arm assembly and seat assembly.

A chair chassis for constructing a disassemblable chair includes a seat member and a backrest member. The seat member is configured to provide a seat, where a rear section of the seat member comprises a first engagement member, and the backrest member comprises a second engagement member, where the second engagement member is engaged to the first engagement member of the seat member to removably connect the backrest member to the seat member, where the backrest member is selectively removable from the seat member.

The welding Wood Creeper Recliner is designed for the welding field, focusing on the overhead welding. This creeper comprise on the frame, the back-receiving and the sitting part which are made of wood allowing the use of the electric equipment without the risk of electrocution as would be with metal material. The frame it is the base of the creeper, the seating-part it is mounted on top of the frame which it is elevated to prevent the user to slide forward and the back-receiving has a reclining mechanic system designed to lounge to seven position depending on height of the project. Additionally this wood creeper has a four caster wheels allowing the user to move without stopping the welding procedure.

The invention comprises a cart for reducing and alleviating ergonomic stresses on the musculoskeletal system of workers in a variety of building trades, including tile setting and grouting, concrete staining, wood floor refinishing, finish carpentry, electrical finishing, plumbing, and others, that require workers to spend extended periods of the working day in compromising and unsupported kneeling positions. The cart is designed to distribute forces along the shinbone of the worker and redirect them from the back, pelvis, keens, ankles and other joints. A further advantage of the cart is the ability to maneuver around the work surface using pivoting shin supports and without the need for repeated standing and kneeling.

A multi-mode includes a chassis, a height adjustor and an angle adjustor. The height adjustor includes an external tube pivotally connected to the chassis between a vertical position and a horizontal position and an internal tube telescopically inserted in the external tube so that the height adjustor is made with an adjustable effective length. The angle adjustor includes a platform, two lateral plates, an axle and a pin. The lateral plates extend parallel to each other and from the platform. Each of the lateral plates includes a plurality of apertures. The axle is used to pivotally connect the lateral plates to the internal tube, which is located between the lateral plates. The pin is operable to insert in the internal tube via a selected one of the apertures to keep the platform in a selected one of several angles relative to the internal tube.

The welding Wood Creeper Recliner is designed for the welding field, focusing on the overhead welding. This creeper comprise on the frame, the back-receiving and the sitting part which are made of wood allowing the use of the electric equipment without the risk of electrocution as would be with metal material. The frame it is the base of the creeper, the seating-part it is mounted on top of the frame which it is elevated to prevent the user to slide forward and the back-receiving has a reclining mechanic system designed to lounge to seven position depending on height of the project. Additionally this wood creeper has a four caster wheels allowing the user to move without stopping the welding procedure.