GB596815A - Method of and apparatus for constructing jewel bearings such as instrument bearings - Google Patents
Method of and apparatus for constructing jewel bearings such as instrument bearingsInfo
- Publication number
- GB596815A GB596815A GB16531/45A GB1653145A GB596815A GB 596815 A GB596815 A GB 596815A GB 16531/45 A GB16531/45 A GB 16531/45A GB 1653145 A GB1653145 A GB 1653145A GB 596815 A GB596815 A GB 596815A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bearings
- jewel
- mandrel
- june
- ram
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
- F16C23/04—Sliding-contact bearings self-adjusting
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
- G04D3/0002—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe
- G04D3/0056—Watchmakers' or watch-repairers' machines or tools for working materials for mechanical working other than with a lathe for bearing components
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
596,815. Moulding jewel bearings. BENDIX AVIATION CORPORATION. June 28, 1945, No. 16531. Convention date, June 30, 1944. [Class 87 (ii)] [Also in Groups XXIII and XXXIV] A jewel bearing blank is formed by intermittently advancing a thermoplastic rod 32 into a zone between a mandrel 42 and a ram 36 where it is rotated between flames (not shown) and becomes plastic; the ram is then advanced and forces the plastic material into a bushing 41 previously placed on the mandrel, the latter being shaped to form a surface 43 and aperture 44. Simultaneously with shaping, the rod is severed by shears 23, 24. The excess material 50 is broken off after cooling and the surface 54 is ground flush. The bearing (see Group XXXIV) is then "olived" by centrifugal force (see Group XXIII).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US596815XA | 1944-06-30 | 1944-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB596815A true GB596815A (en) | 1948-01-12 |
Family
ID=22024541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16531/45A Expired GB596815A (en) | 1944-06-30 | 1945-06-28 | Method of and apparatus for constructing jewel bearings such as instrument bearings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB596815A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1140422B (en) * | 1956-07-20 | 1962-11-29 | Jaeger Ets Ed | Impact-protected, low-noise precision mechanical bearing, especially for clockworks |
CN112936511A (en) * | 2019-12-10 | 2021-06-11 | 柯马杜股份有限公司 | Gemstone, in particular for a timepiece movement, and method for making same |
-
1945
- 1945-06-28 GB GB16531/45A patent/GB596815A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1140422B (en) * | 1956-07-20 | 1962-11-29 | Jaeger Ets Ed | Impact-protected, low-noise precision mechanical bearing, especially for clockworks |
CN112936511A (en) * | 2019-12-10 | 2021-06-11 | 柯马杜股份有限公司 | Gemstone, in particular for a timepiece movement, and method for making same |
CN112936511B (en) * | 2019-12-10 | 2023-06-09 | 柯马杜股份有限公司 | Precious stone, in particular for a timepiece movement, and method for manufacturing same |
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