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Class Information
Number: 248/406.1
Name: Supports > Stand > Standard type > Adjustable vertically > With force multiplying means > Screw and nut > With rotation prevention disabler
Description: Structure which is provided with means to selectively lock the screw and not together to prevent, or unlock them to permit, relative rotation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6612534 |
Stand assembly having anti-rotation feature |
Sep. 2, 2003 |
| 6502791 |
Light duty adjustable pipe support assembly |
Jan. 7, 2003 |
| RE37559 |
Telescoping mast with integral payload |
Feb. 26, 2002 |
| 6283420 |
Fine position adjustment for optical receiver or other sensor |
Sep. 4, 2001 |
| 6131870 |
Height adjusting apparatus with intermeshing bevel gears |
Oct. 17, 2000 |
| 5944272 |
Bobbin core holder for a bobbin creel |
Aug. 31, 1999 |
| 5857657 |
Stand for medical instruments |
Jan. 12, 1999 |
| 5738326 |
Seat stem positioning structure of a chair for drummer |
Apr. 14, 1998 |
| 5615855 |
Telescoping mast with integral payload |
Apr. 1, 1997 |
| 5497966 |
Column unit, in particular a chair column unit |
Mar. 12, 1996 |
| 5088421 |
Adjustable height desk |
Feb. 18, 1992 |
| 5031869 |
Control assembly for chair height adjustment |
Jul. 16, 1991 |
| 4750701 |
Chair height adjustment mechanism |
Jun. 14, 1988 |
| 4728072 |
Height adjustment apparatus |
Mar. 1, 1988 |
| 4627602 |
Mechanical lifting device |
Dec. 9, 1986 |
| 4601454 |
Telescopic supporting post |
Jul. 22, 1986 |
| 4493469 |
Height adjustment control arrangement |
Jan. 15, 1985 |
| 4285488 |
Height adjusting mechanism for a swivel chair |
Aug. 25, 1981 |
| 4257582 |
Support column of adjustable length |
Mar. 24, 1981 |
| 4087070 |
Swivel chair with non-keywayed main screw |
May. 2, 1978 |
| 4087071 |
Chair height limit stop |
May. 2, 1978 |
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