| 摘要 |
A pivot joint includes two mounting plates respectively fixedly fastened to two parts of an apparatus and coupled together by a rivet for enabling the two mounting plates to be turned relative to each other, an axle sleeve mounted on the rivet between the two mounting plates, a first washer and a second washer respectively mounted on the rivet and attached to one mounting plate at two opposite sides, wherein the axle sleeve has a recessed hole at one end, and the second washer is made of friction rubber, having a first part received in the recessed hole at one end of the axle sleeve, and a second part stopped against one mounting plate at one side.
|
