Actuator position homing method and apparatus

Air cushion lifting device

Apparatus for lifting furniture in place to install floor coveri

Apparatus for lifting tanks

Apparatus for lifting the bolster of a railway car truck

Apparatus for lowering a trailer to the ground

Apparatus for making tanks from plates

Apparatus for preventing a one-sided lowering of a jack mechanis

Apparatus for supporting modular furniture

Arrangement to obtain equal travel of hydraulic cylinders

Automatic extension control system for jacking device

Automatic support locking device for portable towers and tanks

Automotive alignment lift

Automotive lift apparatus

Automotive lift system