Joints and connections – Interfitted members – Radially interposed shim or bushing
Patent
1979-11-15
1981-12-08
Shedd, Wayne L.
Joints and connections
Interfitted members
Radially interposed shim or bushing
403371, B25G 320, F16B 200, F16B 704
Patent
active
043045022
ABSTRACT:
A linear torque and thrust transmitting wedge bushing (10, 100) for axially and rotationally securing a part (13, 120) to a circular cross-section shaft (11, 122) is positioned over the shaft within a circular cross-section opening of the part. The bushing includes inner and outer wedge rings (12 and 14; 106 and 108) concentrically disposed relative to each other and being radially expandable and contractible. The outer wedge ring has an outer axially straight surface (20), for engaging the inner surface defining the opening of the part, and the inner wedge ring has an inner axially straight surface (22) for engaging the outer surface of the shaft, characterized in that the wedge rings have engaging non-slip surfaces (16 and 18; 102 and 104) that are axially inclined at the same low angle of less than 10.degree., and further including a thrust member (28; 112) and loading member (30, 110) connected respectively to the outer wedge ring (14) and inner wedge ring (12) for cooperating with screw members ( 40 and 46; 118 and 126) to establish a positive thrust and torque transmitting grip between the shaft and part, and for releasing the grip when desired.
REFERENCES:
patent: 2043272 (1936-06-01), Wallgren
patent: 2151831 (1939-03-01), Buccicone
patent: 2784606 (1957-03-01), Schilling
patent: 2816452 (1957-12-01), McCloskey
patent: 2849886 (1958-09-01), McCloskey
patent: 3638974 (1972-02-01), Stratienko
patent: 3957381 (1976-05-01), Schaefer
patent: 4202644 (1980-05-01), Soussloff
Faigus Martin L.
Shedd Wayne L.
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