Joints and connections – Interfitted members – Radially interposed shim or bushing
Patent
1978-07-10
1980-05-13
Kundrat, Andrew V.
Joints and connections
Interfitted members
Radially interposed shim or bushing
242 721, 279 47, F16B 214
Patent
active
042026440
ABSTRACT:
A mounting device for anchoring a machine element coaxially on a rotary shaft. The device fits between the interior cylindrical bore of the machine element and the internal cylindrical surface of the shaft and is effective to position the element at any desired position longitudinally of the shaft and at any angular position circumferentially of the shaft. The device has inner and outer segmented sleeves, the mating surfaces of which are similarly tapered so that relative axial displacement of the sleeves effects expansion and contraction of the interior bore and external surface of the combined elements. At one end the inner sleeve is externally threaded to cooperate with an internally threaded nut, such that rotation of the nut on the threaded portion of the inner sleeve effects the relative axial displacement of the segmented inner and outer sleeves. The outer sleeve comprises a plurality of separate segments which are coupled with said nut to permit limited pivotal movement of the segments so as to afford expansion and contraction of the outer sleeve without straining the material of the sleeve or the nut. In another embodiment, the sleeves are constructed to avoid relative rotation between the sleeves by a locking portion on one of the sleeves which is slidable between the segments of the other of the sleeves. In a third embodiment, the inner sleeve is constructed of separable segments and a tubular element which are interconnected similarly to the interlocking of the outer sleeve segments with the nut.
REFERENCES:
patent: 738445 (1903-09-01), Hoffmann
patent: 967334 (1910-08-01), Curry et al.
patent: 1024344 (1912-04-01), Langevin
patent: 1739740 (1929-12-01), Stoeltzlen
patent: 3614140 (1971-10-01), Nestor
patent: 4079896 (1978-03-01), Plach
Kundrat Andrew V.
Trantorque Corporation
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