US175836A - Improvement in boiler-tube scrapers - Google Patents
Improvement in boiler-tube scrapers Download PDFInfo
- Publication number
- US175836A US175836A US175836DA US175836A US 175836 A US175836 A US 175836A US 175836D A US175836D A US 175836DA US 175836 A US175836 A US 175836A
- Authority
- US
- United States
- Prior art keywords
- tube
- boiler
- improvement
- spring
- scrapers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 description 2
- GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A29/00—Cleaning or lubricating arrangements
- F41A29/02—Scrapers or cleaning rods
Definitions
- the object'of the invention is to provide a better and more thorough device for cleaning boiler-tubes than has before been produced; and the nature of the invention is described in detail below.
- Figure l is an elevation of a boiler-tube scraper embodying my invention.
- Fig. 2 is a longitudinal section of the same, and
- Fig. 3 is a plan or top view.
- a is the rod upon which the tube'cleaner is placed. bis a bolt screwing into the end of the rod to.
- c is a shell inclosing a spiral spring, d, and protectingit from the flames and heat.
- f is a hub, and, made in the same piece, is a tube, 9, which runs on the bolt 12.
- the shell 0 fits over and upon the tube 9 and makes a tight joint, and the spring 01 rests against the end of the tube 9 and against the shell 0.
- h h are arms hinged to the hubfby means of pins k.
- the scraper may be easily made more or less stiff by turning the bolt 1), which screws into the rod a, thus contracting the spring and pressing it hard against the tube 9, or
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
Description
R. LAPHAM.
BOILER TUBE SCRAPER.
Patenteg April 11, 1876.
ERS. .FHOTQLITHOGRAPMER. WASHINGTON, u c
UNI ED STATES PATENT Orrron.
RUFUS LAPHAM, on NEW YORK, N. Y.
[MPROVEMENT IN BOILER-TUBE SCRAPERS.
Specification forming part of Letters Patent No. 175,836, dated April 11, 18%; application filed September 7, 1875.
To all whom it may concern:
Be it known that I, RUFUS LAPHAM, of New York, in the county and State of New York, have invented certain new aud valuable Improvements in Boiler-Tube Scrapers; and I do hereby declare that the following is a full, clear, and exact description of the same,
reference being bad to the accompanying drawing, and to the letters of reference marked thereon.
The object'of the invention is to provide a better and more thorough device for cleaning boiler-tubes than has before been produced; and the nature of the invention is described in detail below.
In the accompanying illustration, Figure l is an elevation of a boiler-tube scraper embodying my invention. Fig. 2 is a longitudinal section of the same, and Fig. 3 is a plan or top view.
Similar letters of reference indicate corresponding parts.
a is the rod upon which the tube'cleaner is placed. bis a bolt screwing into the end of the rod to. c is a shell inclosing a spiral spring, d, and protectingit from the flames and heat. f is a hub, and, made in the same piece, isa tube, 9, which runs on the bolt 12. The shell 0 fits over and upon the tube 9 and makes a tight joint, and the spring 01 rests against the end of the tube 9 and against the shell 0. h h are arms hinged to the hubfby means of pins k. By means of pins 1 the arms hare hinged to the arms m, which are hinged at force the tube 9 against the spiral spring 01,
which is inside the shell 0; and the pressure of the spring keeps the scraping-edges m firmly and evenly against the inside of the tube, cleaning it thoroughly.
The scraper may be easily made more or less stiff by turning the bolt 1), which screws into the rod a, thus contracting the spring and pressing it hard against the tube 9, or
allowing it .to expand.
It will thus be seen that the tube-scraper herein described is perfectly and easily adjustabie, while the spring is well protected and inclosed from flames and heat.
Having thus fully described my invention, what I claim, and desire to secure by Letters Patent, is
The combination of the spring 01, tube 9,
and shell 0, for the purpose of providing a,
tight chamber and protected spring, as and for the purpose hereinbefore set forth.
RUFUS LAPHAM. Witnesses:
HENRY W. WILLIAMS, R. A. GEORGE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US175836A true US175836A (en) | 1876-04-11 |
Family
ID=2245243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US175836D Expired - Lifetime US175836A (en) | Improvement in boiler-tube scrapers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US175836A (en) |
-
0
- US US175836D patent/US175836A/en not_active Expired - Lifetime
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