GB575793A - Improvements in locking mechanism for indexing members - Google Patents
Improvements in locking mechanism for indexing membersInfo
- Publication number
- GB575793A GB575793A GB642644A GB642644A GB575793A GB 575793 A GB575793 A GB 575793A GB 642644 A GB642644 A GB 642644A GB 642644 A GB642644 A GB 642644A GB 575793 A GB575793 A GB 575793A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arms
- locking
- indexing
- pivot
- rotary
- 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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Positioning Apparatuses (AREA)
Abstract
575,793. Turrets; indexing. LEWIN, F., and BRYAN, C. Y. April 6, 1944, No. 6426. [Class 83 (iii)] Locking mechanism for a rotary indexing member comprises a rotary member secured to and rotating with the indexing member and having a periphery formed at spaced locations, corresponding to the indexing positions, with locking elements arranged in opposed pairs, a pair of locking arms anchored at a location remote from the axis of rotation of the rotary member and being arranged for wedging engagement with a pair of the locking elements so as to lock the rotary member in the position to which it is indexed, and means for opening and closing the locking arms. The invention is shown applied to a lathe turret 12, Fig. 1, having a member 13 secured thereto and formed around its periphery with recesses 14 adapted to be engaged by tapered dogs 15a, 15b carried by arms 16a, 16b. The common pivot 17 of the arms 16a, 16b is permitted a slight movement towards and away from the axis of the member 13, as by forming the pivot as the crank pin of a crank 20 journalled at 21 in a part of the machine such as the turret slide 10. The ends of the two arms may be geared together as shown in Fig. 4, the pivot 17 being formed' half on each arm or wholly on one arm. A spring 18 tends to move the arms into the locking position and they may be opened by the manually or power operated device 19- shown in Fig. 1. The lands 22 between the recesses 14 are relieved so that the rear edge of a recess stands proud of the leading edge to prevent over-running.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB642644A GB575793A (en) | 1944-04-06 | 1944-04-06 | Improvements in locking mechanism for indexing members |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB642644A GB575793A (en) | 1944-04-06 | 1944-04-06 | Improvements in locking mechanism for indexing members |
Publications (1)
Publication Number | Publication Date |
---|---|
GB575793A true GB575793A (en) | 1946-03-05 |
Family
ID=9814275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB642644A Expired GB575793A (en) | 1944-04-06 | 1944-04-06 | Improvements in locking mechanism for indexing members |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB575793A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2780113A (en) * | 1952-07-30 | 1957-02-05 | Thompson Prod Inc | Actuating mechanism for coaxial switch |
US3124012A (en) * | 1964-03-10 | Rotary drive multiple position latch | ||
GB2179837A (en) * | 1985-09-04 | 1987-03-18 | Malcolm Thomas Craig | Confectionery decorating device |
-
1944
- 1944-04-06 GB GB642644A patent/GB575793A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3124012A (en) * | 1964-03-10 | Rotary drive multiple position latch | ||
US2780113A (en) * | 1952-07-30 | 1957-02-05 | Thompson Prod Inc | Actuating mechanism for coaxial switch |
GB2179837A (en) * | 1985-09-04 | 1987-03-18 | Malcolm Thomas Craig | Confectionery decorating device |
GB2179837B (en) * | 1985-09-04 | 1990-04-11 | Malcolm Thomas Craig | Improved confectionery device |
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