| |
 |
|
Class Information
Number: 33/386
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Liquid type, upper surface utilizing > Bubble > Liquid container adjustable on reference-surface section > Cam-type adjuster (e.g., gear, screw, wedge, etc. > Opposing spring
Description: Device including a resilient member exerting its force in opposition to one direction of motion of the cam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6981330 |
Multi-axis installable and adjustable level |
Jan. 3, 2006 |
| 6898017 |
Light altering device |
May. 24, 2005 |
| 4843724 |
Spirit level |
Jul. 4, 1989 |
| 4798005 |
Component piano string angle gauge |
Jan. 17, 1989 |
| 4542592 |
Wheeled vehicle leveling device and method |
Sep. 24, 1985 |
| 4519705 |
Sighting cap for rotating laser beam transmitter |
May. 28, 1985 |
| 4461090 |
Headlamp adjuster |
Jul. 24, 1984 |
| 4397098 |
Method and apparatus for zeroing a tilt meter mechanism |
Aug. 9, 1983 |
| 4299035 |
Spirit level |
Nov. 10, 1981 |
| 4133116 |
Ground slope analyzer |
Jan. 9, 1979 |
|
|
|
