GB759294A - Improvements relating to cutting worm gears particularly for vehicle steering gear - Google Patents
Improvements relating to cutting worm gears particularly for vehicle steering gearInfo
- Publication number
- GB759294A GB759294A GB579654A GB579654A GB759294A GB 759294 A GB759294 A GB 759294A GB 579654 A GB579654 A GB 579654A GB 579654 A GB579654 A GB 579654A GB 759294 A GB759294 A GB 759294A
- Authority
- GB
- United Kingdom
- Prior art keywords
- worm
- nut
- drum
- class
- vehicle steering
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F11/00—Making worm wheels, e.g. by hobbing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
759,294. Copy-milling. BISHOP TRANSMISSION CO., Ltd. Feb. 28, 1955 [Feb. 26, 1954], No. 5796/54. Class 83 (3). A machine for cutting a worm-gear 4 for a vehicle steering-gear &c. comprises a rotary cutter 1 mounted eccentrically in a drum 2 which is rotated about an axis normal to the worm axis under the control of a nut 11 and lead-screw 10, the worm and lead-screw being rotated at substantially constant angular velocities. According to the invention, the nut is turned by compensating-means 13 to control the pitch of the thread cut on the worm. The nut 11, as it travels along the rotating leadscrew 10, rotates the drum 2 through levers 17, 8, 7. The movement of the nut is varied by the cam 13 so that a true helix may be cut on the worm. The depth-of-cut may be varied by biasing the drum-shaft 3 axially so that followers thereon engage fixed face-cams. Specifications 223,655, [Class 83 (iii)], and 223,963, [Class 80 (iii)], are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB579654A GB759294A (en) | 1954-02-26 | 1954-02-26 | Improvements relating to cutting worm gears particularly for vehicle steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB579654A GB759294A (en) | 1954-02-26 | 1954-02-26 | Improvements relating to cutting worm gears particularly for vehicle steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB759294A true GB759294A (en) | 1956-10-17 |
Family
ID=9802784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB579654A Expired GB759294A (en) | 1954-02-26 | 1954-02-26 | Improvements relating to cutting worm gears particularly for vehicle steering gear |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB759294A (en) |
-
1954
- 1954-02-26 GB GB579654A patent/GB759294A/en not_active Expired
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