US135388A - Improvement in casting centers on cast-iron screws - Google Patents
Improvement in casting centers on cast-iron screws Download PDFInfo
- Publication number
- US135388A US135388A US135388DA US135388A US 135388 A US135388 A US 135388A US 135388D A US135388D A US 135388DA US 135388 A US135388 A US 135388A
- Authority
- US
- United States
- Prior art keywords
- centers
- cast
- casting
- improvement
- screws
- 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
- 229910001018 Cast iron Inorganic materials 0.000 title description 2
- 238000005266 casting Methods 0.000 title description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
Definitions
- This invention is designed mainly for use in the manufacture of cast-iron screws used in piano-stools, revolving-chair stools, and other articles of furniture; but it is applicable to many other cast articles which require to be turned in a lathe between centers. Its object is to save the time usually occupied in centeringH'or the lathe. To this end it consists in providing on the ends of the screws or other articles in the casting male centers of conical form, by which they may, without any centering process, be placed directly between the centers of the lathe, such centers, of course, being female.
- this screwA On one end this screwA is provided with a flange, a, by which it is secured to the seat of a chair or other article of furniture, and on each end there is formed a male center, B, of conical form, as represented.
- B B On each end there is formed a male center, B, of conical form, as represented.
- These two centers B B enable the screw, as soon as cleaned, to be directly placed in a lathe for turning, without wasting any time .in forming centers.
- 0 represents the nut within which the screw works. It is screwed in the pedestal of the chair in the usual way.
- the male centers B B cast on a chair-screw or other cast article requiring to be turned between lathe-centers, substantially as and for the purpose herein set forth.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
T. M. TUCKER.
Casting Centers on Cast-Iron Screws.
No 135,388. Patentedlan.28,1873.
V "RV PATENT OFFICE.
THEODORE M. TUCKER, OF NEWARK, NEW JERSEY.
IMPROVEMENT IN CASTING CENTERS ON CAST-IRON SCREWS.
Specification forming part of Letters Patent No. 135,388, dated January 28, 1873.
To all whom it may concern Be it known that I, THEODORE M. TUCKER, of Newark, in the county of Essex and State of New Jersey, have invented an Improvement in Screws and other articles of cast metal requiring turning; and I do hereby declare that the following is a .full, clear, and exact description thereof, reference being had to the accompanying drawing forming part of this specification.
This invention is designed mainly for use in the manufacture of cast-iron screws used in piano-stools, revolving-chair stools, and other articles of furniture; but it is applicable to many other cast articles which require to be turned in a lathe between centers. Its object is to save the time usually occupied in centeringH'or the lathe. To this end it consists in providing on the ends of the screws or other articles in the casting male centers of conical form, by which they may, without any centering process, be placed directly between the centers of the lathe, such centers, of course, being female.
The accompanying drawing is a partly sectional side View of a chair-screw made according to my invention.
On one end this screwA is provided with a flange, a, by which it is secured to the seat of a chair or other article of furniture, and on each end there is formed a male center, B, of conical form, as represented. These two centers B B enable the screw, as soon as cleaned, to be directly placed in a lathe for turning, without wasting any time .in forming centers. 0 represents the nut within which the screw works. It is screwed in the pedestal of the chair in the usual way.
Much time is saved'in the manufacture of these screws by obviating the necessity for forming centers, and the cost of such articles is consequently reduced. The invention is equally applicable and advantageous to various other cast articles requiring to be turned.
Claim,
The male centers B B cast on a chair-screw or other cast article requiring to be turned between lathe-centers, substantially as and for the purpose herein set forth.
THEODORE M. TUCKER.
\Vi tnesses:
J. WHITEHEAD, LANGDON H, GILMORE.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US135388A true US135388A (en) | 1873-01-28 |
Family
ID=2204804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US135388D Expired - Lifetime US135388A (en) | Improvement in casting centers on cast-iron screws |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US135388A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820651A (en) * | 1953-09-28 | 1958-01-21 | John W Phillips | Compound swivel adapter |
| US5890860A (en) * | 1998-05-13 | 1999-04-06 | Dorris; Kenneth L. | Drywall screw |
| US6116834A (en) * | 1998-05-13 | 2000-09-12 | Dorris; Kenneth L. | Drywall screw |
| US20040218993A1 (en) * | 2003-04-29 | 2004-11-04 | Nowak Edmund A. | Tamper resistant screw |
| US20050169729A1 (en) * | 2003-04-29 | 2005-08-04 | Nowak Edmund A.Jr. | Tamper resistant screw |
-
0
- US US135388D patent/US135388A/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820651A (en) * | 1953-09-28 | 1958-01-21 | John W Phillips | Compound swivel adapter |
| US5890860A (en) * | 1998-05-13 | 1999-04-06 | Dorris; Kenneth L. | Drywall screw |
| US6116834A (en) * | 1998-05-13 | 2000-09-12 | Dorris; Kenneth L. | Drywall screw |
| US20040218993A1 (en) * | 2003-04-29 | 2004-11-04 | Nowak Edmund A. | Tamper resistant screw |
| US20050169729A1 (en) * | 2003-04-29 | 2005-08-04 | Nowak Edmund A.Jr. | Tamper resistant screw |
| US6935824B2 (en) * | 2003-04-29 | 2005-08-30 | Edmund A. Nowak, Jr. | Tamper resistant screw |
| US7425112B2 (en) | 2003-04-29 | 2008-09-16 | Nowak Jr Edmund A | Tamper resistant screw |
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