US294255A - Samuel montgomery - Google Patents
Samuel montgomery Download PDFInfo
- Publication number
- US294255A US294255A US294255DA US294255A US 294255 A US294255 A US 294255A US 294255D A US294255D A US 294255DA US 294255 A US294255 A US 294255A
- Authority
- US
- United States
- Prior art keywords
- screw
- wood
- montgomery
- samuel
- driven
- 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
- 239000002023 wood Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B15/00—Nails; Staples
- F16B15/06—Nails; Staples with barbs, e.g. for metal parts; Drive screws
Definitions
- My invention has relation to screws intended to be driven into woodwholly or partly-by turning them with a suitable implement, and these are ordinarily called woodscrews, to distinguish them from other screws intended only for use in connection with metal.
- the object of my invention is to produce an article which may be driven into wood for a considerable distance, after the manner of anordinary French or other nail, and which may be then turned in for the remainder of its length like the ordinary wood-screw, which improved article shall possess all the holding qualities of the screw, be much more easily and quickly inserted or driven, be lighter and cheaper than the ordinary screw, less liable to split the wood into which driven, and more quickly and easily withdrawn than the ordinary screw.
- my improvements involve certain novel and useful peculiarities of construction and arrangement of the parts, all of which will be herein first fully described, and then pointed out in the claim.
- Figure 1 is a vertical axial section
- Fig. 2 an elevation, of a wood-screw constructed according to my invention and involving my improvements.
- the lower part of the article, from (t to b, is preferably made cylindrical, after the manner of French nails, and provided with a point to facilitate its being driven into wood.
- This cylindrical form is less liable to split the wood than the other forms; but other shapes might be given this part, it being only necessary that it be plain, like a nail.
- the head of the improved screw is represented at 0, being inclinedvor beveled, asare the heads of ordinary wood-screws, and provided with the usual slot, d, or equivalent means for facilitating the application of a screw-driver.
- the ,threaded part c gradually swelling up from its union with the cylindrical partuntil threads upon e are preferably cut so that the spaces between them, orthe lands, are deepest at top, and gradually grow less deep until the lower extremity of the threads is reached.
- These cuts between the threads preferably extend in to about the depth of the line of the plain part; but they may be otherwise out, if desired.
- the screw being so constructed, is driven by the hammer until the screw-threads reach the wood, and the driving is then completed with the screwdriver.
- the upper part of the improved screw is pe it joins with the lower part of the head.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
(NoMod eL) s. MONTGOMERY,
WOOD SCREW.
1%. 294,255. Patented Feb. 26, 1884.
UNITED STATES PATENT OFFICE.
sAMUnL MONTGOMERY, or new YORK, n. Y.
WOOD- SCREW.
SPEOIFICATIOIT'forming part of Letters Patent No, 294,255, dated February 26, 1884.
Application filed October 24,1885. (No model.)
To all whom it may concern:
Be it known that I, SAMUEL MONTGOMERY. of New York city, county of New York, and State of New York, have invented certain new and useful Improvements in Wood-Screws, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, and to the letters of refer-' ence marked thereon.
My invention has relation to screws intended to be driven into woodwholly or partly-by turning them with a suitable implement, and these are ordinarily called woodscrews, to distinguish them from other screws intended only for use in connection with metal.
The object of my invention is to produce an article which may be driven into wood for a considerable distance, after the manner of anordinary French or other nail, and which may be then turned in for the remainder of its length like the ordinary wood-screw, which improved article shall possess all the holding qualities of the screw, be much more easily and quickly inserted or driven, be lighter and cheaper than the ordinary screw, less liable to split the wood into which driven, and more quickly and easily withdrawn than the ordinary screw. To accomplish all of this my improvements involve certain novel and useful peculiarities of construction and arrangement of the parts, all of which will be herein first fully described, and then pointed out in the claim.
In the accompanying drawings, forming part of this specification, Figure 1 is a vertical axial section, and Fig. 2 an elevation, of a wood-screw constructed according to my invention and involving my improvements.
Like letters of reference indicate corresponding parts in both figures.
The lower part of the article, from (t to b, is preferably made cylindrical, after the manner of French nails, and provided with a point to facilitate its being driven into wood. This cylindrical form is less liable to split the wood than the other forms; but other shapes might be given this part, it being only necessary that it be plain, like a nail.
The head of the improved screw is represented at 0, being inclinedvor beveled, asare the heads of ordinary wood-screws, and provided with the usual slot, d, or equivalent means for facilitating the application of a screw-driver. Immediately below the head is the ,threaded part c, gradually swelling up from its union with the cylindrical partuntil threads upon e are preferably cut so that the spaces between them, orthe lands, are deepest at top, and gradually grow less deep until the lower extremity of the threads is reached. These cuts between the threads preferably extend in to about the depth of the line of the plain part; but they may be otherwise out, if desired. The screw, being so constructed, is driven by the hammer until the screw-threads reach the wood, and the driving is then completed with the screwdriver.
To withdraw this improved screw it has only to be unturned slightly, when it may be pulled out quickly with the claw-hammer, avoiding the continuous turning heretofore re quired at the expense of time.
The peculiar advantages of the screw will be apparent in applying hinges, casters, &c., to fuiniture, and for all uses to which the ordinary wood-screw is generally applicable, es-' pecially in cases where it is desired to drive the screw without checking or splitting the wood in its application to all hard woods, and
it rapidly.
culiarly strong, while the lower part is light, effecting a considerable saving in weight of metal without detracting from the strength of the screw. The threads, being adjacent to the head and following in after the plain part, draw the head into the wood. When it is required that it be sunken in, and when used for securing trimmings or fittings of hardware, the strongest bearing is at or near the heada material advantage over the ordinary woodscrew, which has a plain part adjacent to the head and the weakest hold upon the wood at the part where in such cases it should be strongest.
W'hen constructed as above set forth, the improved screw will be found in practice to admirably answer the purpose or object of the invention as previously set forth.
Having now fully described my lnvention,
The upper part of the improved screw is pe it joins with the lower part of the head. The
in cases where it may be desired to withdraw what I claim as new, and desire to secure by I In testimony thatlclaim the foregoingIhavc Letters Patent, is hereunto set my hand in the presence of two The herein-described wood-screw, composed witnesses. of the heed athreaded portion adjacent there- SAMUEL MONTGOMERY. 5 to, and a cylindrical'or plain portion, pointed Witnesses:
as explained, substantially as shown and dc- WM. J. VVORLEY; scribed.- I WM. A. CHARTERS.
Publications (1)
Publication Number | Publication Date |
---|---|
US294255A true US294255A (en) | 1884-02-26 |
Family
ID=2363442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US294255D Expired - Lifetime US294255A (en) | Samuel montgomery |
Country Status (1)
Country | Link |
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US (1) | US294255A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2439626A2 (en) * | 2012-04-02 | 2014-01-23 | Fco. Javier Porras Vila | Threaded nail (Machine-translation by Google Translate, not legally binding) |
-
0
- US US294255D patent/US294255A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2439626A2 (en) * | 2012-04-02 | 2014-01-23 | Fco. Javier Porras Vila | Threaded nail (Machine-translation by Google Translate, not legally binding) |
ES2439626R1 (en) * | 2012-04-02 | 2014-01-28 | Fco. Javier Porras Vila | Threaded nail |
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