GB642601A - Lock washer and method of making same - Google Patents
Lock washer and method of making sameInfo
- Publication number
- GB642601A GB642601A GB20139/47A GB2013947A GB642601A GB 642601 A GB642601 A GB 642601A GB 20139/47 A GB20139/47 A GB 20139/47A GB 2013947 A GB2013947 A GB 2013947A GB 642601 A GB642601 A GB 642601A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lock washer
- making same
- teeth
- lock
- screwing
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
- Connection Of Plates (AREA)
Abstract
642,601. Lock washers. ILLINOIS TOOL WORKS. July 25, 1947, No. 20139. Convention date, Jan. 8, 1941. [Class 89(i)] [Also in Group XXII] A lock washer of the type having twisted teeth 14, has the margin of the hole flanged, turned over, and axially displaced to provide a double thickness 12 that prevents the teeth from being fully flattened on screwing up.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US642601XA | 1941-01-08 | 1941-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB642601A true GB642601A (en) | 1950-09-06 |
Family
ID=22054671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20139/47A Expired GB642601A (en) | 1941-01-08 | 1947-07-25 | Lock washer and method of making same |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB642601A (en) |
-
1947
- 1947-07-25 GB GB20139/47A patent/GB642601A/en not_active Expired
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