Attachment for automatically operating a scissors jack

Details Attachment for automatically operating a scissors jack Attachment for automatically operating a scissors jack

1998-04-23

1999-09-14

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

B66F 308

Patent

active

059509902

ABSTRACT:
The present invention relates to an attachment device for securing to a conventional screw jack allowing the screw jack to be operated with a power tool. The device comprises a cylindrical shaft having first and second ends with a transverse bore proximal a first end thereof. Received within the transverse bore is a tubular member having two opposing ends with a clamp member pivotally attached to an end thereof. Attached to a second end of a cylindrical shaft is an engagement member dimensioned to lockably engage a drive member on a power tool. Accordingly, the tubular member may be secured to a handle bracket on a conventional screw jack and the shaft may be rotated with a power tool to automatically raise or lower the jack.

REFERENCES:
patent: 4749169 (1988-06-01), Pickles
patent: 4872230 (1989-10-01), Levine
patent: 4943034 (1990-07-01), Wagnon
patent: 5085407 (1992-02-01), Lonon
patent: 5158266 (1992-10-01), Alten
patent: 5165660 (1992-11-01), Engel et al.
patent: 5364072 (1994-11-01), Engel
patent: 5707043 (1998-01-01), Yoshida

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