Metal working – Method of mechanical manufacture – Shaping one-piece blank by removing material
Patent
1985-08-01
1987-01-27
Briggs, William R.
Metal working
Method of mechanical manufacture
Shaping one-piece blank by removing material
409122, B23P 1304, B23C 308
Patent
active
046385479
ABSTRACT:
The process described herein produces a cam which has a cam lobe having opposite sinusoidal surfaces which have at least two rises and at least two dips in 360.degree. of each sinusoidal surface with the rises in one such surface being opposite to the dips in the other such surface. These sinusoidal surfaces are designed so that they may be in full, centerline contact with pairs of bearings attached to connecting rods, these bearings being on opposite sides of the cam lobe and at one time being driven in one direction by one of the two pistons in each pair and then at another time in the opposite direction by the other piston in that pair, the two pistons of that pair being connected to each other by the same connecting rod carrying the bearings which are adapted to press against the cam lobe. The surfaces of the cam lobe are designed to avoid friction or binding between the bearings and the cam lobe. An engine for which this cam is particularly useful is described in applicant's U.S. Pat. No. 4,432,310 issued on Feb. 21, 1984.
REFERENCES:
Getriebetechnik Lehrbach, pp. 391, 392, 402, 403, 6-1979, Johannes Volmer.
Briggs William R.
Gdovin Wm. J.
Monacelli Walter J.
Monacelli Walter J.
Waller Leonard J. E.
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