Patent ID: 8671744

Claim:
An engine pulley testing system ( 100 ) for testing a test pulley in an engine, said engine pulley testing system comprising: (i) an engine pulley testing device ( 200 ), wherein the device ( 200 ) comprises: (a) a top panel ( 240 ) having a front side ( 242 ) and a back side ( 244 ); (b) a first support arm ( 210 ), a second support arm ( 220 ) and a third support arm ( 230 ) pivotally attached to the top panel ( 240 ), wherein the first support arm and the second support arm ( 220 ) are attached on the front side ( 242 ) via a first pivot point ( 219 ) and a second pivot point ( 229 ) respectively, wherein a first length of the first support arm ( 210 ), a second length of the second support arm ( 220 ) and a third length of the third support arm ( 230 ) are all adjustable; wherein the first support arm ( 210 ) is lockable with a first arm lock means ( 218 ) to secure a first support arm pivot angle, wherein the second support arm ( 220 ) is lockable with a second arm lock means ( 228 ) to secure a second support arm pivot angle, wherein the third support arm ( 230 ) is lockable with a third arm lock means ( 238 ) to secure a first support arm pivot angle; (c) a top pulley ( 330 ) disposed on front side ( 242 ) of the top panel ( 240 ), a first bottom pulley ( 310 ) rotatably attached to the first support arm ( 210 ), and a second bottom pulley ( 320 ) rotatably attached to the second support arm ( 220 ), wherein the top pulley ( 320 ), the first bottom pulley ( 310 ) and the second bottom pulley ( 320 ) are on a same plane ( 249 ); wherein an engine belt ( 260 ) is wrapped around the top pulley ( 330 ), a test pulley ( 340 ) being tested in an engine and at least one of the first bottom pulley 510 and the second bottom pulley ( 320 ) during a pulley test, wherein the top pulley ( 330 ) and the test pulley ( 340 ) are on the same plane ( 249 ).