Flexible tube cleaning lance positioner frame apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 16, 2020
Grant Date -
Oct 11, 2018
app pub date -
Jun 13, 2018
filing date -
Jul 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A frame apparatus for holding a flexible lance positioning mechanism adjacent to and spaced from a heat exchanger tube sheet includes an upper guide rail, a lower guide rail, a positioner rail supported from one of the upper and lower guide rails and guided by the other of the upper and lower guide rails, and a rail clamp assembly fastened to a portion of a tube sheet. This rail clamp assembly has a flat plate member fastened to the tube sheet, a base plate spaced from the flat plate by one or more threaded shafts, and one or more clamp fingers rotatably fastened to the base plate. Each clamp fingers is operable to rotate toward the base plate when the base plate is drawn against the flat plate or beam member by rotating the threaded shaft, thus drawing the rail securely to the flat plate of the clamp assembly.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2018 Application Filing Year
- F16C Class
- 1499 Applications Filed
- 1081 Patents Issued To-Date
- 72.12 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- F16C Class
- 63.27 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 16, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 16, 2031 |
