Title:
RECIPROCATION DEVICE
Document Type and Number:
Japanese Patent JPS55139549
Kind Code:
A
Abstract:
PURPOSE:To cause smooth noiseless reciprocation in operation, by providing a reciprocating body which has two projections on its inside surface and providing a rotatable cam which is located inside the reciprocating body and has several projections at equiangular intervals. CONSTITUTION:When a driving shaft 1 is rotated in a direction A, the sliding contact face 11a of a projection 3a is pushed in the direction A by the tip face 10a and the first cam face 8a of a projection 2a of a cam 2 in a state shown in Fig. As a result, a reciprocating body 3 oriented by guides 4, 5 is moved in a direction L as shown by a one-dot chain line. Since the second cam face 9c of a projection 2c always slides in contact with a projection tip 12b, the reciprocating body 3 is smoothly moved without play to the cam 2. When the cam 2 is rotated further, a projection 2b acts in the same way to another projection 3b of the reciprocating body 3 having reached a position shown by a one-dot chain line and the body 3 is moved in a direction R.
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Inventors:
NAKAMURA KATSUYOSHI
Application Number:
JP4694579A
Publication Date:
October 31, 1980
Filing Date:
April 16, 1979
Export Citation:
Assignee:
NIPPON CABLE SYSTEM INC
International Classes:
F16H25/14; (IPC1-7): F16H25/14
Domestic Patent References:
| JP17003952Y1 |