US167578A - Improvement in coffin-screws - Google Patents
Improvement in coffin-screws Download PDFInfo
- Publication number
- US167578A US167578A US167578DA US167578A US 167578 A US167578 A US 167578A US 167578D A US167578D A US 167578DA US 167578 A US167578 A US 167578A
- Authority
- US
- United States
- Prior art keywords
- cap
- improvement
- screws
- coffin
- screw
- 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
- 239000002184 metal Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/14—Cap nuts; Nut caps or bolt caps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Description
NwPETERs, PHoTo-LITHDGRAPHiR. WASHINGTON. D C4 UNITED STATES PATENT CEEIGE.
WILLIAM M. SMITH, OF WEST MERIDEN, CONNECTICUT, ASSIGNOR TO THE MERIDEN BRITANNIA COMPANY, OF SAME PLACE.
IMPROVEMENT IN COFFlN-SCREWIS.
Specification forming part of Letters Patent No. 167,578, dated September 7, 1875; application filed August 16, 1875.
To all whom it may concern:
Be it known that I, WILLIAM M. SMITH, of West Meriden, in the county of New Haven and State of Connecticut, have invented a new Improvement in Collin-Screws; and I do hereby declare the following, when taken in connection with the accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description of the same, and which said drawings constitute part of this specification, and represent in- Figui'e l a side View 5 Fig. 2, a'vertical central section.
This invention relates to an improvement` in the article known to the trade as cofnscrews-that is to say, screws with an ornamental head, used for securing the top or 0rnamenting coins, the object being to. construct an elaborate head with a small quantity ot metal; and it consists in acap recessed upon its under side, and with the screw secured centrally therein, combined with a body through which the screw passes, and which sets into the recess in the cap, so that the projecting or overhanging edge of the cap forms a prominent part of the ornamentation.
Ais the cap, which is cast from the metal usually employed for such work, and with the head ot the screw B secured centrally therein upon the under side, preferably in the process of casting the cap. The cap is formed with a recess upon its under side, so as to make an overhanging edge, C. D is the body, which may be of any desirable form, perforated centrally, so that the screw may pass freely through it, and so as to set into the recess upon the under side of the cap, within the rim C, as shown.
This body maybe made from wood, and thus be very light and cheap. The rim of the cap hides the joint between the two parts, so that the appearance of the whole is as a solid or single-piece head.
The rim or overhanging edge of the cap may be ornamented to add materially to the appearance of the article.
I claim- The herein-described coffin-screw, consisting of the cap A, constructed witha recess upon its under side to produce an overhanging edge, and with a screw, B,attached thereto, combined with a separate body, I), inclosed by the rim of the cap, substantially as described.
WILLIAM SMITH.
Publications (1)
Publication Number | Publication Date |
---|---|
US167578A true US167578A (en) | 1875-09-07 |
Family
ID=2236987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US167578D Expired - Lifetime US167578A (en) | Improvement in coffin-screws |
Country Status (1)
Country | Link |
---|---|
US (1) | US167578A (en) |
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0
- US US167578D patent/US167578A/en not_active Expired - Lifetime
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