Elongated-member-driving apparatus – With means to support member and/or work relative to driver – Impact-type driver
Patent
1974-10-31
1976-01-27
Custer, Jr., Granville Y.
Elongated-member-driving apparatus
With means to support member and/or work relative to driver
Impact-type driver
227149, B25C 104
Patent
active
039347796
ABSTRACT:
An improved fastener driving tool having particular utility at locations that are otherwise inaccessible is disclosed. The fastener driving tool of this invention includes an elongated cylinder having one closed end. A ram is slidably mounted in the cylinder so that one end of the ram bears against the inside surface of the closed end of the cylinder. An axially displaceable rod is mounted on the outside surface of the cylinder and includes a clip that is adapted to hold the head of the nail against the outside surface of the closed end of the cylinder. With the nail so positioned the tool may be inserted behind a wall, for example through a pre-existing window opening, so that a header may be secured to a stud. By using the tool of the present invention, it is not necessary to remove any plaster or wallboard in order to expose the header and studs that are to be nailed. The ram is moved axially in two opposite directions within the cylinder until the nail is sufficiently started. Then the rod may be depressed in order to free the clip from the nailhead. The tool can then be removed and the ram used alone for fully setting the nail. Alternatively, the cylinder may have two open ends so that the ram impacts directly on the head of the fastener.
REFERENCES:
patent: 1500253 (1924-07-01), Miller
patent: 1867928 (1932-07-01), Smith
patent: 2871480 (1959-02-01), Pezza et al.
patent: 3117378 (1964-01-01), Bowen
patent: 3490677 (1970-01-01), Pezza
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