Quick-return motion mechanism of automatic magnetic drilling mac

Details Quick-return motion mechanism of automatic magnetic drilling mac Quick-return motion mechanism of automatic magnetic drilling mac

1990-11-13

1992-07-14

Diehl, Dwight

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

Gear has plural circumferential tooth sets

192 12B, F16H 132

Patent

active

051298686

ABSTRACT:
A quick-return motion mechanism for use in an automatic magnetic drilling machine including a feed motor for generating power transferred through a worm wheel and a high-ratio reduction gear to a handle shaft to drive an electric drill. A one-way clutch is provided inside the worm wheel so that the handle shaft races on feed and is locked on return. The high-ration reduction gear is composed of elements which are arranged to cause the input and output sides of the high-ratio reduction gear to rotate in the same direction. The quick-return motion mechanism consists of an arrangement for restraining the input side element of the high-ratio reduction gear on feed and for releasing it on return to race the high-ratio reduction gear.

REFERENCES:
patent: 1697495 (1929-01-01), Davis
patent: 2217183 (1940-10-01), Ross
patent: 3561292 (1971-02-01), Lorence
patent: 4454937 (1984-06-01), Yang
patent: 4732016 (1988-03-01), Hirooka et al.

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