BALL TYPE UNIVERSAL JOINT
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United States of America Patent
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N/A
Issued Date -
Sep 15, 2016
app pub date -
Apr 2, 2015
filing date -
Mar 12, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A ball type universal joint includes a coupling member and a socket member combined together. The socket member has a ball head and lugs projectingly formed on a surface of the ball head. A surface between two neighboring lugs is a spherical surface. The coupling member has a cylindrical coupling hole. Ribs are projectingly formed on a wall surface of the cylindrical coupling hole. One side of each rib is a protrusion surface, and a lengthwise extending direction of the protrusion surface is an extending direction of a straight line. The ball head is coupled to the cylindrical coupling hole. Each lug is disposed between two ribs. Each rib is disposed between two lugs and corresponds to the spherical surface. A combination of the coupling member and the socket member may be adjusted into an angled state. The spherical surface is tangent to a protrusion surface of the rib.
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