Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1985-06-24
1987-10-27
Bilinsky, Z. R.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
408239R, 408241R, B23B 4300, B23G 506
Patent
active
047021314
ABSTRACT:
A precision hand-driven tapping system for use with an inert rotating-spindle machine which is employed for stability and guidance, comprising a wrench body, guide means and non-integral tap adapter and is secured within said machine by its chuck, collett or clamping device. The wrench body has thereon, and out of the tap line-of-sight, handles spaced 120.degree. apart, or a wheel-like device, for applying hand force to rotate the body. A series of tap-holding adapters are used to secure various sized taps by their shanks. Adapters are press-fitted into the wrench body. A machine clamping device holds the system guide means which, in turn, allows the adapter and tap holding body of the wrench to be manually advanced toward a work piece, manually operated to tap it, and to subsequently be retracted and removably secured at the machine clamping device without the machinist removing his or her hands from the wrench.
REFERENCES:
patent: 2465152 (1949-03-01), Ellison
patent: 2465541 (1949-03-01), Kreshock
patent: 2729128 (1956-01-01), Gilbert
patent: 2985899 (1961-05-01), Elliott
patent: 3174168 (1965-03-01), Jones
patent: 3364510 (1968-01-01), Johnson
patent: 3653780 (1972-04-01), Ammatuna
patent: 4096896 (1978-06-01), Engel
patent: 4274774 (1981-06-01), Haga et al.
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