| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Automatic work driving device | US64210132 | 1932-11-10 | US2046238A | 1936-06-30 | BALSIGER HAROLD E |
| 122 | Balanced driving head for machines | US72083634 | 1934-04-16 | US2027174A | 1936-01-07 | JOHNSON FORREST F |
| 123 | Live center for lathes, grinders and the like | US51665031 | 1931-02-18 | US1883075A | 1932-10-18 | ADOLPH STORM; THOR THORSEN |
| 124 | Driving fixture | US44256330 | 1930-04-08 | US1838692A | 1931-12-29 | LOVELY JOHN E |
| 125 | Driver for wheel lathes | US39271829 | 1929-09-14 | US1827136A | 1931-10-13 | ERNST BLAU |
| 126 | Clamping dog for lathes | US23969827 | 1927-12-13 | US1731216A | 1929-10-08 | PEACOCK HOWARD H |
| 127 | Surface plate for wheel lathes | US35461029 | 1929-04-12 | US1725331A | 1929-08-20 | ERNST BLAU |
| 128 | Recentering device | US8809126 | 1926-02-13 | US1625032A | 1927-04-19 | HENRY KETTLER |
| 129 | Work-handling device | US8100026 | 1926-01-13 | US1618700A | 1927-02-22 | JOSEPH DRAGON |
| 130 | Safety lathe dog | US72398324 | 1924-07-03 | US1587961A | 1926-06-08 | KARLE JOHN D |
| 131 | Head for lathes | US74968024 | 1924-11-13 | US1586677A | 1926-06-01 | HEARD EDMUND F; FITZ HUGH MAYO M |
| 132 | Work-clamping mechanism for vertical boring and turning mills | US70293624 | 1924-03-29 | US1570799A | 1926-01-26 | ALFRED TROSCH; MORETON GEORGE W |
| 133 | Chuck | US70106624 | 1924-03-22 | US1568049A | 1926-01-05 | BRISCOE JOHN W |
| 134 | Pneumatic chuck for boring machines | US55487422 | 1922-04-18 | US1531327A | 1925-03-31 | AUGUSTUS WOOD; FICKETT ERNEST L |
| 135 | Lathe attachment | US57445222 | 1922-07-12 | US1517580A | 1924-12-02 | PETOSKEY CYRILLUS J |
| 136 | Indexing device for multiple-thread cutting | US55623022 | 1922-04-24 | US1488148A | 1924-03-25 | CARLSON HAROLD S |
| 137 | Clamp and grip chuck | US39847320 | 1920-07-23 | US1469360A | 1923-10-02 | CULLEN JAMES K |
| 138 | Tire clamp | US39461320 | 1920-07-08 | US1460385A | 1923-07-03 | LACE RAYMOND F |
| 139 | Chuck for lathes and the like | US51449521 | 1921-11-12 | US1456293A | 1923-05-22 | DANIEL ANDREW CECIL |
| 140 | Work driver for lathes | US42400820 | 1920-11-15 | US1444724A | 1923-02-06 | ALEXANDER BOOME |
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