Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1979-06-06
1980-12-30
Bilinsky, Z. R.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
744248R, 74750R, 74841, 173146, 408129, B23B 412, B23C 120, F16H 134
Patent
active
042416230
ABSTRACT:
A vertical drive mechanism is provided for a cutting apparatus. The cutting pparatus can be used for in place machining of a valve seat which may include an annular turntable adapted to be rotatably mounted on the valve above the valve seat. A feed shaft is mounted through the turntable so as to be rotatable therewith, and a bottom of the feed shaft is adapted to receive a cutter for machining the valve seat. The vertical drive mechanism is mounted on the feed shaft and includes a nut threaded on the feed shaft and a gear combination. The gear combination may include a first portion which is fixedly connected to the nut, a second portion which operatively engages the first gear portion, and a third portion which operatively engages the second gear portion, the third gear portion being mounted for rotatable slidable friction engagement about the nut. With this arrangement, rotation of the turntable causes the vertical drive mechanism to rotate therewith as a unit, however, upon stopping the third gear portion, the latter will rotate relative to the turntable and the remainder of the vertical drive mechanism to turn the second gear portion, then the first gear portion, then the nut, then drive the feed shaft vertically.
REFERENCES:
patent: 2777339 (1957-01-01), Hess
patent: 2876653 (1959-03-01), Meyer
patent: 3640147 (1972-02-01), Fantoni
Higa Teikichi
Nakano Gregory S.
Orillo, Jr. Stephen
Uyetake Tadao
Wilger John F.
Bilinsky Z. R.
Johnston Ervin F.
Sciascia Richard S.
The United States of America as represented by the Secretary of
LandOfFree
Vertical drive mechanism for a cutting apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Vertical drive mechanism for a cutting apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vertical drive mechanism for a cutting apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1653