Pulley hub with crowned outer face

• US 3,140,621 A
• Filed: 04/02/1962
• Issued: 07/14/1964
• Est. Priority Date: 04/02/1962
• Status: Expired due to Term

• Current Assignee: Guthrie B. Stone
• Original Assignee: Guthrie B. Stone
• Inventors: Stone, Guthrie B.
• Application Number:
  US04/184,265
• Time in Patent Office: 834 Days
• US Class Current: 474/187
• CPC Class Codes: F16H 2055/363 with special means or properties for lateral tracking of the flexible members running on the pulley, e.g. with crowning to keep a belt on track
• CPC Class Codes: F16H 55/36 Pulleys with features essential for adjustment F16H55/52

Claims

1. A PULLEY CONSTRUCTION COMPRISING A PAIR OF END HUBS ADAPTED TO BE CONNECTED WITH A SHAFT, MEANS INTERCONNECTING THE HUBS, AND A CYLINDRICAL MEMBER OF STANDARD SIZE DISPOSED BETWEEN THE HUBS THEREBY FORMING A CYLINDRICAL INTERMEDIATE PORTION FOR THE PULLEY, EACH HUB HAVING A CROWN EFFECT FORMED IN THE OUTER SURFACE THEREOF FOR RETAINING A BELT IN PROPER TRACKING RELATION ON THE PULLEY, THE EXTERNAL SURFACE OF THE CYLINDRICAL MEMBER FORMING A CONTINUATION OF THE INNER END OF THE OUTER SURFACE OF THE HUBS.