Patent ID: 7322087

Claim:
A bearing installing and removing tool comprising: a driving unit ( 1 ) having a threaded rod ( 11 ) which has a driving end ( 111 ) at a first end thereof and a tube ( 13 ) mounted to the threaded rod ( 11 ), the tube ( 13 ) having a recess ( 134 ) defined in a top thereof and a locking nut ( 15 ) received in the recess ( 134 ), a central hole ( 133 ) defined through an inner end of the recess ( 134 ) and the locking nut ( 15 ) having a threaded passage ( 152 ), the threaded rod ( 11 ) threadedly extending through the threaded passage ( 152 ) and the central hole ( 133 ), the tube ( 13 ) having a plurality of extension arms ( 131 ) extending in a direction away from the locking nut ( 15 ) and each extension arm ( 131 ) having an aperture ( 132 ) defined in a distal end thereof so as to be connected with a link unit ( 2 ); a connection frame ( 12 ) connected to an underside of the tube ( 13 ) and having a through hole ( 121 ) defined centrally therethrough so that the threaded rod ( 11 ) extends through the through hole ( 121 ), a threaded hole ( 126 ) defined in an inner periphery of the through hole ( 121 ) and an inner diameter of the threaded hole ( 126 ) being larger than an inner diameter of the through hole ( 121 ), a plurality of legs ( 122 ) extending radially outward from the connection frame ( 12 ) and extending through gaps between the extension arms ( 131 ), each leg ( 122 ) having a guide rail ( 123 ) to which the link unit ( 2 ) is connected, each leg ( 122 ) having a pivotable portion ( 124 ) at a distal end thereof so as to be connected with the link unit ( 2 ), and an adjusting member ( 17 ) located beneath the connection frame ( 12 ) and having a threaded hole ( 173 ) so that the threaded rod ( 11 threadedly extends through the threaded hole ( 173 ), the adjusting member ( 17 ) having outer threads ( 171 ) so as to be connected with the threaded hole ( 126 ) of the connection frame ( 12 ).