GB642917A - Screw and method of making the same - Google Patents
Screw and method of making the sameInfo
- Publication number
- GB642917A GB642917A GB19922/47A GB1992247A GB642917A GB 642917 A GB642917 A GB 642917A GB 19922/47 A GB19922/47 A GB 19922/47A GB 1992247 A GB1992247 A GB 1992247A GB 642917 A GB642917 A GB 642917A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screws
- diameter
- adjusting
- screw
- making
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
642,917. Screws. OHIO NUT & BOLT CO. July 24, 1947, No. 19922. Convention date, March 23, 1946. '[Class 89(i)] [Also in Group XXII] Screws, particularly adjusting or levelling screws, have cold forged heads 22, Fig. 7, of greater diameter than standard, a neck portion 10, and a shank of reduced diameters 8, 21. The diameter of the part 21 is such that after rolling a thread, the crest diameter is equal to that of the part 8. Instead of the domed head 22, adjusting screws may have flat heads shaped as shown in Fig. 10 to facilitate hand grip.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US642917XA | 1946-03-23 | 1946-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB642917A true GB642917A (en) | 1950-09-13 |
Family
ID=22054906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19922/47A Expired GB642917A (en) | 1946-03-23 | 1947-07-24 | Screw and method of making the same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB642917A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018230A1 (en) * | 1979-04-23 | 1980-10-29 | Hayashi Uchimura | Castor support shaft |
| CN114074168A (en) * | 2020-08-19 | 2022-02-22 | 宾科汽车紧固件（昆山）有限公司 | Bolt forming method and cold heading device |
-
1947
- 1947-07-24 GB GB19922/47A patent/GB642917A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018230A1 (en) * | 1979-04-23 | 1980-10-29 | Hayashi Uchimura | Castor support shaft |
| CN114074168A (en) * | 2020-08-19 | 2022-02-22 | 宾科汽车紧固件（昆山）有限公司 | Bolt forming method and cold heading device |
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