Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1987-08-07
1989-05-09
Meislin, Debra
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5729, 81 5713, 81 5714, B25B 2100
Patent
active
048278092
ABSTRACT:
An extension tip, for an air ratchet adapteor, having an elongated housing which is closed on one end and open at the opposite end. The housing is hollow except for a driven gear and optional idler gears at the closed end. The driven gear includes a hexagonal aperture to accept internal removable sockets. The driven gear or optional idler gear is engaged with the gear housing idler gear of the air ratchet adaptor when the extension tip is attached to the air ratchet adaptor. The open end of the housing has a tensioned retaining clip situated on both sides of the opening for engaging with the recesses of the gear housing of the air ratchet adaptor to hold the extension tip firmly in place. An inner gear housing stop is located internally next to the driven gear or the optional idler gear of the closed end. The extension tip also includes a top and bottom recess which allow for passage of the support pin heads while the extension tip is being attached to the air ratchet adaptor. The extension tip may be formed in varying shapes of which will be the determining factor in the number of idler gears needed, if any. The extension tip symmetry allows for reversible attachment to the air ratchet adaptor. The extension tip, air ratchet adaptor, and the air ratchet connected in combination is suitable for installing and removing fasteners, and applying torque to such, in a limited work space when a stable, controlled one hand operation of a powered tool is needed.
REFERENCES:
patent: 1385214 (1921-07-01), Klopper
patent: 1494200 (1924-05-01), Waters
patent: 1875529 (1932-09-01), Vandervoort
patent: 3987691 (1976-10-01), Savage
patent: 3987692 (1976-10-01), Lesner et al.
patent: 4171651 (1979-10-01), Dacunto
patent: 4287795 (1981-09-01), Curtiss
patent: 4322989 (1982-04-01), Garolis
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