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 Title: |
US3774314:
BALL INCLINOMETER
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| Country: |
US United States of America
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| Inventor: |
Youngs, Homer S.; San Diego, CA
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| Assignee: |
None
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| Published / Filed: |
1973-11-27
/ 1971-06-03
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| Application Number: |
US1971000149521
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| IPC Code: |
Advanced:
G01C 9/10;
Core:
G01C 9/00;
IPC-7:
G01C 9/10;
G01C 9/32;
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| U.S. Class: |
Current:
033/348;
033/365;
Original:
033/348;
033/365;
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| Field of Search: |
033/365,206,314,348
240/6.44
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| Priority Number: |
| 1971-06-03 |
US1971000149521 |
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| Abstract: |
An inclinometer in which a ball is movable in a curved tube or between plates forming concentric spherical zones, the ball as well as the tube or plates being transparent and form part of an optical system wherein a position indicating image, resulting in the passing of light through the ball, is produced on a viewing surface.
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| Attorney, Agent or Firm: |
Lyon & Lyon ;
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| Primary / Asst. Examiners: |
Prince, Louis R.; Phillips, Charles E.
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| Family: |
None
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First Claim:
Show all 15 claims |
I claim:
1. An inclinometer, comprising:
- a. a sealed capsule including uniformly spaced opposed arcuate walls;
- b. a gravity responsive roller movable between the arcuate walls;
- c. a damping liquid filling the capsule;
- d. a light source at one side of the capsule;
- e. a window at the opposite side of the capsule, having an image reproducing surface;
- f. the roller, the walls of the capsule between the light source and the window, and the damping liquid being formed of light transmitting materials, and the roller tending to concentrate the light passing therethrough into an image of reduced dimension.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
Show drawing descriptions
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| Description: |
Show description
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| Forward References: |
Show 6 U.S. patent(s) that reference this one
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