US Patent: 2,349,240 - Adjustable Multiple Spindle Drill Head


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US Patent: 2,349,240

Adjustable Multiple Spindle Drill Head

Patentee:

Rolland B. Aiman (exact or similar names) - Pendleton, Madison County, IN

USPTO Classifications:

408/117, 74/665GA

Tool Categories:

metalworking machines : drilling and boring : multiple spindle drilling heads

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 15, 1942
Granted:	May 23, 1944

Patent Pictures:

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Description:

Claim:

A multiple drill head comprising a body a

drive spindle journaled in the body, a plurality of shafts projecting from the body, means in the body operatively connecting the shafts to the spindle, a housing for the lower end of each shaft and pivoted about the axis of the shaft, a driven spindle projecting from each housing, gears operatively connecting the shafts with their respective driven spindles, and. means for securing the housings in pivotally adjusted position to the body.