JPS56109132A - Production of center bolt of caliper brake - Google Patents
Production of center bolt of caliper brakeInfo
- Publication number
- JPS56109132A JPS56109132A JP1178480A JP1178480A JPS56109132A JP S56109132 A JPS56109132 A JP S56109132A JP 1178480 A JP1178480 A JP 1178480A JP 1178480 A JP1178480 A JP 1178480A JP S56109132 A JPS56109132 A JP S56109132A
- Authority
- JP
- Japan
- Prior art keywords
- collar
- blank material
- center bolt
- production
- caliper brake
- 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.)
- Pending
Links
Landscapes
- Braking Arrangements (AREA)
- Forging (AREA)
Abstract
PURPOSE: To improve workability and durability and lower cost by forming a shaft and a collar in one body.
CONSTITUTION: A blank material A is ironed from both ends to fine one end 31, thicken the other end 32 and form a bulged part 33 in the intermediate part. Then, the bottom part 34 of the bulged part 33 is placed on an upsetting die, one end 31 is inserted into the upsetting die, and upsetting is applied simultaneously with ironing from the other end 32, whereby a blank material D consisting of the shaft consisting of the one end 36 and the other end 37, and a collar 38 is obtained. The blank material D is of a prescribed length at which it is made into a product, and since a collar 38 is formed in one body, the recesses 39, 40 of the collar 38 are made thin. On the other hand, the weight is reduced and material is decreased, whereby the cost is lowered. Screws 42a, 42b are inscribed to this blank material C and a groove 43 for detaining spring is punched, whereby a center bolt D is perfected.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1178480A JPS56109132A (en) | 1980-01-31 | 1980-01-31 | Production of center bolt of caliper brake |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1178480A JPS56109132A (en) | 1980-01-31 | 1980-01-31 | Production of center bolt of caliper brake |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56109132A true JPS56109132A (en) | 1981-08-29 |
Family
ID=11787564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1178480A Pending JPS56109132A (en) | 1980-01-31 | 1980-01-31 | Production of center bolt of caliper brake |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56109132A (en) |
-
1980
- 1980-01-31 JP JP1178480A patent/JPS56109132A/en active Pending
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