Machine element or mechanism – Mechanical movements – Oscillation or reciprocation to intermittent unidirectional...
Patent
1989-08-04
1990-09-04
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Oscillation or reciprocation to intermittent unidirectional...
188 77R, 192 7, 272 72, 272132, F16H 2702, A63B 6906, F16D 4910
Patent
active
049534157
ABSTRACT:
The invention relates to an arrangement for converting reciprocating motion into even rotational motion. The arrangement comprises a frame (1), a flywheel (2), a pull member (3) attached to the flywheel by means of a free gear mechanism (4), and a brake band arranged to resist the rotational motion of the flywheel (2). In order to achieve smooth operation without jerks, the arrangement comprises a relief member (7) connected to the frame by means of a lever mechanism (4). When the pull member (3) is pulled (A), it presses the relief member (7) and turns the lever mechanism so that the brake band is tightened against the flywheel. When the free gear mechanism (4) draws the pull member in direction (B), the lever mechanism (9) is arranged to turn so that it reduces the tightening force exerted by the brake band on the peripheral face of the flywheel. (FIG. 1).
REFERENCES:
patent: 633357 (1899-09-01), Caulfield
patent: 797464 (1905-08-01), Sjastram
patent: 1782728 (1930-11-01), Kiefer
patent: 4047715 (1977-09-01), Gjessing
patent: 4662525 (1987-05-01), Bottem
Herrmann Allan D.
Mouzavires William E.
Tunturipyora Oy
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