Adjustable leg
FIG. 1 is an isometric view of the preferred embodiment of the adjustable leg in accordance with the invention showing the toe and stud each in a fully extended position.
FIG. 2 is an isometric view of the embodiment of FIG. 1 showing the toe in a fully extended position and the stud in a fully retracted position.
FIG. 3 is a bottom view of the embodiment of FIG. 1 showing the bottom of the preferred toe plug.
FIG. 4 is a top view of the embodiment of FIG. 1 showing the stud, notched washer and plastic insert of the stud assembly disposed within the leg tube.
FIG. 5 is a side view of the embodiment of FIG. 1 showing the both the toe and the stud in a fully extended position; and,
FIG. 6 is a side view of the embodiment of FIG. 1 showing the toe in a fully retracted position and the stud in a fully extended position.
| D171693 | March 1954 | Fisher |
| 2852883 | September 1958 | Walsh |
| 3080601 | March 1963 | Kramcsak, Jr. |
| 3150853 | September 1964 | Lisbin |
Type: Grant
Filed: Apr 9, 1999
Date of Patent: Jan 11, 2000
Inventors: Martin P. Burns (Wilbraham, MA), Charles W. Wainwright (West Springfield, MA)
Primary Examiner: Janice E. Seeger
Attorneys: Michael J. Persson, William B. Ritchie
Application Number: 0/103,165
International Classification: 0606;
