Tire changing apparatus
US4168733A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 19, 1978 |
| Grant date | Sep 25, 1979 |
| Priority date | — |
| Expiry date | May 19, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C25/132
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire changing apparatus of the type having a base, a table mounted on the base for receiving and supporting a wheel, a rotatable tool driving post extending through the table, an upper bead loosener assembly engageable with the upper side wall of a tire received on the table, a lower loosening assembly engageable with the lower side wall of a tire on the table and a motor for driving the bead looseners and the post. Included is an extendable connection between the lower bead loosener and the drive which may be utilized to facilitate loosening beads on small diameter wheels and which automatically restores itself to a normal configuration. Also included is a guide for the upper bead loosener which is movably mounted to guide the upper bead loosener generally radially of a wheel for positioning purposes. Interengageable brake surfaces are provided in connection with the guide and are engaged in response to actuation of the motor to lock the guide in a desired position of adjustment during the servicing operation. Additionally included is a pin and slot connection interconnecting the upper bead loosener and part of the drive mechanism whereby the upper bead loosener may be disconnec…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.