|
US2595917A
|
|
Adjustable and retractable internal thread gauge
|
|
US2563063A
|
|
Adjustable ring gauge
|
|
US2336202A
|
|
Relieving attachment for machine tools
|
|
US2336201A
|
|
Relieving attachment for machine tools
|
|
US2238515A
|
|
Internal gauge for spacing holes
|
|
US2266928A
|
|
Floating work holder
|
|
US2235269A
|
|
Machine tool with floating head
|
|
US2121380A
|
|
Bottoming tap
|
|
US2118139A
|
|
Machine for grinding flutes
|
|
US2116135A
|
|
Yielding work center
|
|
US2127854A
|
|
Self-adjusting spindle bearing
|
|
US2021536A
|
|
Auxiliary spindle for grinding wheels
|
|
US2061448A
|
|
Work table and feeding mechanism therefor
|
|
US2079785A
|
|
Hob grinding machine
|
|
US2006783A
|
|
Truing device
|
|
US2021537A
|
|
Lead screw correcting device
|
|
US2021535A
|
|
Duplex grinding machine
|
|
US1946348A
|
|
Hydraulic driving and control mechanism for a reciprocated member
|
|
US1929268A
|
|
Automatic reversing mechanism
|
|
US1919288A
|
|
Method and apparatus for truing a grinding wheel
|
