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Class Information
Number: 248/653
Name: Supports > Machinery support > Movable machine > Including operator or actuator > For angular movement > Extensible leg or strut
Description: Structure wherein the operator comprises an elongated extensible member which effects angular movement of the support in response to variations in the length of said extensible member.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7357365 |
Extendable/retractable support column |
Apr. 15, 2008 |
| 7208666 |
Instrument case stand |
Apr. 24, 2007 |
| 6503033 |
Parallel mechanism structure for controlling three-dimensional position and orientation |
Jan. 7, 2003 |
| 5865063 |
Three-axis machine structure that prevents rotational movement |
Feb. 2, 1999 |
| 5451134 |
Material handling devices and controllers |
Sep. 19, 1995 |
| 5245898 |
Slicing machine lift arrangement |
Sep. 21, 1993 |
| 5014953 |
Hinged-arm type of mechanism and sonar antenna fitted out with a mechanism such as this |
May. 14, 1991 |
| 4886233 |
Fire fighting ventilation system |
Dec. 12, 1989 |
| 4872363 |
Electric positioning apparatus |
Oct. 10, 1989 |
| 4792110 |
Tooling support apparatus with linear boom |
Dec. 20, 1988 |
| 4790718 |
Manipulators |
Dec. 13, 1988 |
| 4781375 |
Method and apparatus for adjusting a basketball goal |
Nov. 1, 1988 |
| 4735394 |
Arrangement for adjusting the inclination of a keyboard |
Apr. 5, 1988 |
| 4693444 |
Height adjust mechanism |
Sep. 15, 1987 |
| 4546942 |
Portable platform for slide projection |
Oct. 15, 1985 |
| 4523882 |
Drill press with overhead mount |
Jun. 18, 1985 |
| 4141523 |
Projector having an adjustable height |
Feb. 27, 1979 |
| 3995701 |
Derrick tilting system |
Dec. 7, 1976 |
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