Power transmission device for transmitting thrusting forces
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Jun 4, 1999
filing date -
Sep 25, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transmission system for transmitting pushing forces along straight and curved paths includes a guide channel (1) and a line of transmission members (10) arranged in the guide channel. The transmission members are acted on by a drive. The transmission members (10) are in contact with each other at end contact faces where the contact faces are formed with mating ring-shaped ridge (11) and a ring-shaped groove, respectively. The ridge (11) and groove (12) are matched to each other such that they are positioned inside each other when the members are arranged coaxially and contacting each other. The cross sections of the ridge (11) and groove (12) are such that ridge and groove are pivotable in relation to each other when engaged. A line of such transmission members arranged in a straight line and pressure loaded forms a buckling-resistant bar which does not exert forces on straight regions (1.2) of an enclosing guide channel (1). In curved guide channel parts (1.1), the transmission members (10) are pivoted in relation to each other, the pivoting movement being a guided one and the pushing force is transmitted through more than a contact point in the pivoted arrangement.
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