Tire spreader

Details Tire spreader Tire spreader

1984-05-25

1985-04-16

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Resilient tire-casing spreaders

With tire casing support

B60C 2514

Patent

active

045111219

ABSTRACT:
Two hooks are pivotably mounted between two pair of vertically oriented pivotable spreader arms arranged such that the hooks can engage and spread a tire supported on two rollers between the hooks. The rollers are mounted on a plate supported by two vertical spaced channels held by a base. The arms are all pivotably connected by linkages to a carriage which moves on bearings through the vertical channels. Two of the opposing linkages, one from each side of the carriage, extend beyond the spreader arms and are bent first inward towards each other and then parallel to each other to accept a handle. The opposing pairs of spreader arms are urged toward each other by springs. The linkages are arranged such that moving the handle upward will cause the hooks to approach each other while moving the handle downward will cause the hooks to move apart to spread a tire mounted upon the rollers a predetermined distance.

REFERENCES:
patent: 1713488 (1929-05-01), Grundmark
patent: 1753035 (1930-04-01), Weaver
patent: 1849034 (1932-03-01), Dettling
patent: 1878515 (1932-09-01), Hazard
patent: 1907007 (1933-05-01), Robertson
patent: 2032295 (1936-02-01), Mehnert

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