Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1997-01-21
1999-08-31
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5737, 227136, 206347, B25B 2304
Patent
active
059439262
ABSTRACT:
A screwdriver assembly to drive a threaded fastener carrying a washer thereon spaced axially from a head of the fastener towards a tip of the fastener. The screwdriver assembly comprises a guideway to receive a fastener coaxially therein, a washer abutment surface disposed about the guideway to engage a washer carried on a fastener received in the guideway to assist in axially locating the fastener coaxially within the guideway and an elongate rotatable driver shaft having at a forward end a bit member. The driver shaft is reciprocally movable axially in the guideway to engage the fastener with the bit member and drive the fastener axially forwardly from the guideway into a workpiece.
REFERENCES:
patent: 1815594 (1931-07-01), Shaw et al.
patent: 3601168 (1971-08-01), Farnstrom
patent: 3623646 (1971-11-01), Cast
patent: 3826419 (1974-07-01), Maestri
patent: 3910324 (1975-10-01), Nasiatka
patent: 3930297 (1976-01-01), Potucek
patent: 4018254 (1977-04-01), DeCaro
patent: 4146071 (1979-03-01), Mueller et al.
patent: 4167229 (1979-09-01), Keusch
patent: 4367837 (1983-01-01), Manino
patent: 4404877 (1983-09-01), Mizuno et al.
patent: 4428261 (1984-01-01), Takatsu et al.
patent: 4581964 (1986-04-01), Takatsuru
patent: 4625597 (1986-12-01), Cast
patent: 4809568 (1989-03-01), DeCaro
patent: 4930630 (1990-06-01), Habermehl
patent: 4998452 (1991-03-01), Blum
patent: 5027679 (1991-07-01), Kawashima
patent: 5083483 (1992-01-01), Takagi
patent: 5186085 (1993-02-01), Monacelli
patent: 5231900 (1993-08-01), Deri
patent: 5284074 (1994-02-01), Chen
patent: 5303620 (1994-04-01), Payne et al.
patent: 5337635 (1994-08-01), Habermehl
patent: 5469767 (1995-11-01), Habermehl
patent: 5473965 (1995-12-01), Chen
patent: 5517883 (1996-05-01), Goldi et al.
patent: 5531142 (1996-07-01), Adamo
patent: 5542323 (1996-08-01), Habermehl et al.
patent: 5568753 (1996-10-01), Habermehl et al.
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