Joints and connections – Interfitted members with external bridging piece
Patent
1979-12-26
1981-06-16
Kundrat, Andrew V.
Joints and connections
Interfitted members with external bridging piece
403 58, F16D 326
Patent
active
042729726
ABSTRACT:
A universal joint formed of plastic parts and including two yokes and a block pivotally connected to the yokes. Each of the yokes has a cylindrical portion with a shaft receiving bore at one end thereof and a pair of arms integrally formed at the other end thereof. The outer surfaces of the arms are spaced apart a distance which is greater than the outer diameter of the cylindrical portion of the yoke. Aligned pin receiving bores are formed in the arms near the free ends thereof to receive pins to pivotally connect the block to the arms. A diametrically extending rib is positioned at the base of the arms of each yoke and is located to clear the block and permit pivotal movement thereof. Transversely extending strengthening ribs are formed on the exterior surfaces of the yoke arms. These ribs are positioned diametrically outwardly of the rib at the base of the arms and extend at right angles to the axis of that rib. The transversely extending ribs reduce in height in a direction from the free ends of the arms to the base of the arms.
REFERENCES:
patent: 565159 (1896-08-01), Esty
patent: 1566849 (1925-12-01), Fox
patent: 2394890 (1946-02-01), Blomgren
patent: 3778860 (1973-12-01), Thielen
Kundrat Andrew V.
Lovejoy, Inc.
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