Other

Kva, Inc.

Mccrink, Edward J.

Davor Jack Raos

Edward J Mccrink

The present invention provides a device for actuating a sucker rod pump assembly, the device comprising an electric linear motor positioned about the axis of operation of the sucker rod pump and a counterbalance positioned such that it counterbalances the weight of the sucker rod assembly and the liquid being pumped. The present invention also provides a method for pumping a fluid utilizing a sucker rod assembly, an electric linear motor and a counterbalance.

Sucker rod actuating device

A racquet stringing machine which accomplishes tensioning of the strings of a racquet by the use of one or more combination tensioning and holding clamp units which operate directly on the string inside the racquet. The present invention also provides fixed, non-rotating racquet head frame holding fixture holds the racquet stationary throughout the stringing process. The racquet is supported against distortion by compressive mounts disposed along the outer perimeter of the racquet head frame only. The racquet stringing machine further includes an offset pedestal which stabilizes the machine by counterweight effect while keeping the floor beneath the racquet holding fixture free of obstruction.

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Vista, CA, United States of America

Davor Jack Raos