GB190620047A - Improvements in and relating to Machines for Cutting Screws, Worms and like Spiral Gear - Google Patents
Improvements in and relating to Machines for Cutting Screws, Worms and like Spiral GearInfo
- Publication number
- GB190620047A GB190620047A GB190620047DA GB190620047A GB 190620047 A GB190620047 A GB 190620047A GB 190620047D A GB190620047D A GB 190620047DA GB 190620047 A GB190620047 A GB 190620047A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- lead
- screw
- driving
- pinion
- 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
Landscapes
- Transmission Devices (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
20,047. Hanson, B. M. W. Sept. 9,1905, [date applied for under Patents Act, 1901]. Variable-speed gearing; clutches.-The driving- shaft 12 of a milling-machine carries a pinion 89<1>, Fig. 4, driving a hollow shaft 25 carrying a loose cone of gears, any one of which, for instance 85, becomes fixed by means of a sliding key 91 carried pivotally on a rod 90 having a circular rack 90<1> at the end, operated by a pinion, which is operated by a handle moving over a division plate. A cone of gears 21 carried on a sleeve on the driving- shaft is then driven, and, the clutch 14 being in the position shown, a pinion 22<1> drives a wheel V on a sleeve 25<2>, motion then being communicated through a similar sliding-key-adjusted cone of gears and worm gearing to a shaft 36, Figs. 1 and 12. When the clutch 14 is shifted to its other operative portion, the sleeve 25<2> is driven in the reverse direction by a pinion 20 and an idler. The shaft 36 carries two worms driving wheels 55, 38, Fig. 12, loose upon their shafts. To drive the chuck spindle 10 through the lead-screw 58, the wheel 55 is clutched to its shaft 51, thereby driving the lead-screw 58, the spindle being driven off the end of the lead-screw shaft by ordinary change gearing. To drive both the chuck spindle and the lead-screw from the auxiliary driving- shaft, the wheel 38 is clutched to its shaft 39, the wheel 11 on the live spindle thus being driven, and the change gearing then communicates the motion to the lead-screw. The lead-screw is rotated at increased rate to return the saddle from the pulley 48 by causing one of the clutches 41, 54 to engage teet 41<1>, 52<1>. The clutches are operated from one handle 73, Fig. 14, so that they cannot be put in together. A claw clutch 74 puts the hand shaft into engagement with the fork 50, or through toothed segments with the fork 60. This claw clutch operates a bellcrank lever 76<1> carrying a lever 78, so that, on pulling a knob 80, projections 81 or 82 are removed, allowing one fork to be operated.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US190620047XA | 1905-09-09 | 1905-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190620047A true GB190620047A (en) | 1907-09-07 |
Family
ID=32470368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190620047D Expired GB190620047A (en) | 1905-09-09 | 1906-09-08 | Improvements in and relating to Machines for Cutting Screws, Worms and like Spiral Gear |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190620047A (en) |
-
1906
- 1906-09-08 GB GB190620047D patent/GB190620047A/en not_active Expired
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