Tools – Wrench – screwdriver – or driver therefor – Attachment – or including adjunct or replaceable portion
Patent
1994-10-11
1995-10-24
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Attachment, or including adjunct or replaceable portion
81DIG11, 81442, 81448, B25B 1358
Patent
active
054600642
ABSTRACT:
A universal socket tool includes a housing having a square internal chamber which is open at a lower end thereof. An array of square pins is suspended in sliding relation in the chamber with the lower ends of the pins arranged for engagement with a plurality of different fastening elements. Selected pins include tapered lower ends for engagement with a slotted screw heads. The pin suspension system includes upper and lower plates mounted in spaced relation in the chamber. The plates have aligned apertures for slidably receiving the upper ends of the pins. A flange at the top of each pin is positioned above the upper plate and a lower end of each pin is located below the lower plate. Each pin is provided with a spring disposed around its upper end for returning the pins to their normal position after disengaging the fastening element. In a second embodiment of the universal socket tool, the suspension system includes a plurality of retainer elements and a plurality of springs each having a first end secured to the upper end of a corresponding pin and a second end secured to the retainer element. In a third embodiment of the universal socket tool, the suspension system includes an adhesive medium received in the chamber, and a plurality of springs each having a first end respectively secured to the upper end of a corresponding pin and a second end imbedded in the adhesive.
REFERENCES:
patent: 3349655 (1967-10-01), Locke
patent: 4887498 (1989-12-01), Zayat
patent: 5287778 (1994-02-01), Cook
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