Elongated-member-driving apparatus – With means to withdraw member
Patent
1975-02-14
1976-09-28
Custer, Jr., Granville Y.
Elongated-member-driving apparatus
With means to withdraw member
227131, 227136, B25C 1100, B25C 106
Patent
active
039826783
ABSTRACT:
An apparatus for driving nails having an electrical power unit removably connected to a nail holding cartridge is disclosed. The power unit has an electric motor which drives a geared cylinder or drum. Gears on the drum intermesh with an elongated driven member having a nail engaging portion on one end thereof and being controlled in its longitudinal movement ultimately by the movment of the motor and directly by the geared drum. A barrel attached to the nail cartridge is adapted to receive nails, one at a time, from an automatic nail feeding mechanism also located in the nail cartridge. A nail holding mechanism disposed within the barrel insures that the nail is held straight throughout the nail driving operation. A nail countersinking attachment is provided for countersinking nails a predetermined distance into a nail driving material. Also, an extension attachment is provided to allow nails to be driven less than completely into a nail driving material by a predetermined amount. Additionally, a nail pulling attachment is adapted to be received on the apparatus of the invention.
REFERENCES:
patent: 1574490 (1926-02-01), Kumler et al.
patent: 2094459 (1937-09-01), Lipson
patent: 2525637 (1950-10-01), Bell
patent: 2576473 (1951-11-01), Meyers
patent: 3589588 (1971-06-01), Vasku
patent: 3847322 (1974-11-01), Smith
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