Power transmission collar
OwnerEliezer Benimetzkiinventor
Life of this patent
Estimating the term…
Abstract
A hand tool having a motor rotating a drilling bit is made more useful by a power transmission collar. An auxiliary tool, such as a riveter, scheduled for use selectively during intervals between drilling operations, is powered by the electric drill. The auxiliary tool has a driven member with a well adapted to receive the bit. A power transmission collar is secured to the bit near the chuck of the drill. The collar has self-guiding spiral surfaces and pin-engageable surfaces. The driven member has a socket featuring a single pin toward which the spiral surfaces guide the collar to the pin-receptive surface for the power transmission connection.
Claims1
A power transmission mechanism comprising a collar attachable to a bit, said bit being scheduled for intermittent selective use as a rotating bit, a driven number adapted to actuate a supplimental tool, said member having a well on one end thereof, said well including a single transverse pin therein said power transmission collar being scheduled for intermittent selective use for transmitting power from said rotating bit to said driven member without impairing the usefulness of the bit when dissociated from the supplemental tool, said collar having a self-guiding single spiral surface and a single power-transmission surface engageable with said single pin, said collar fitting into said well of said driven member and against said single cylindrical pin, the axis of which is directed radially inwardly toward the axis of the collar and well, the tip of said single pin being spaced from the bit, said pin having surfaces toward which said single spiral surface guides the collar to said single power-transmission surface engagement with said single pin.
Dependencies are inferred from the claim text.