The method of making a tool for removal of broken screws from a base material, including the material of the bone of a medical patient. One end of the tool has an open bore with int
The broken chips fall from the crusher into a surge hopper 12, from which they are conveyed by a screw conveyer 13a to means for feeding them into a pneumatic conveyer 15, This conveyer delivers them to a surge hopper 16 which discharges into a screw conveyer 20a feeding the basket 26, ...
in FIG. 17b. The height adjusting bears 67 urge the carrier plate 60 away from the chassis plate 50. They thus also apply a back pressure to the compression spring 66. The actual adjustment of the inclination of the head drum axis 61 is effected however by means of an adjusting screw 68...
An extractor for a broken-off tool including a tap, drill, set screw, bolt, reamer and dowel retained within a bore in a workpiece comprises a body, there being an axial bore in the body opening at its top and towards its bottom terminating in a tapered conical throat and a coaxial ...
Fig. 4 is a transverse sectional view taken substantially along the line 4-4 of Fig. 2, this view showing the cam face; Fig. 5 is a fragmentary elevation with a portion broken away, showing a slight modification in the extracting end of the device; and Fig. 6 is a fragmentary view,...
An extractor for a broken-off tool including a tap, drill, set screw, bolt, reamer and dowel retained within a bore in a workpiece comprises a body, there being an axial bore in the body opening at its top and towards its bottom terminating in a tapered conical throat and a coaxial ...