REMOTE CONTROL VARIABLE STROKE DEVICE AND SYSTEM

摘要

An electronic variable stroke device (5) having a base portion (35) including a motor-driven screw shaft (20), an upper portion (15) extending from base portion (57) having the screw shaft (20) extending therein, a traveler (25) engaged with the screw shaft (20) to drive a part of the upper portion (15) in reciprocating longitudinal motion and electronic controls (41), including a transmitter/receiver (43) for sending and receiving control signals. The device (5) is also capable of remote Internet connection and control.