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Individual
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Priority to ES1969145672UpriorityCriticalpatent/ES145672Y/en
Publication of ES145672UpublicationCriticalpatent/ES145672U/en
Application grantedgrantedCritical
Publication of ES145672YpublicationCriticalpatent/ES145672Y/en
Improved table lifting device composed of a central column integrated by two telescopic tubes interposed between them of a powerful coil spring characterized park the tube, central has a longitudinal and elongated opening in its wall, whose ends are deflected at an angle having, in addition, one or several spatial notches in one of the edges of the opening, while in the outer tube there is a screw that goes through its wall and which extends forming a lug, which is inserted into the elongated opening of the inner tube, in order to serve as an anti-rotation guide as well as a means to anchor the central tube in various intermediate positions, height, for which it should be given a slight turn, so that the lug of the guide screw is inserted into the appropriate notch of the opening, in which position by means of the corresponding captive screw, mounted on the outer tube. (Machine-translation by Google Translate, not legally binding)
ES1969145672U1969-02-051969-02-05
PERFECTED TABLE ELEVATOR DEVICE.
ExpiredES145672Y
(en)
Mechanical disposal-endless to raise or descend telescopic projection legs in masses and similar. (Machine-translation by Google Translate, not legally binding)