Tire building stitcher assembly
AssigneeNational-Standard Company
InventorEdwin E. Mallory
Life of this patent
Estimating the term…
Abstract
A stitcher assembly for use in tire building apparatus which apparatus has main frame means and rotatable tire building drum means supported by the main frame means and in turn supporting tire carcass material along with partially applied tread cap and/or sidewall components. The stitcher assembly includes a pair of carrier units, means for supporting and rotating the carrier units relative to the main frame means, a pair of arm assemblies one associated with each of the carrier units and having stitcher wheel means, and means for supporting and linearly moving the arm assemblies within the carrier units.
Claims15
In tire building apparatus having main frame means, and rotatable tire building drum means supported by the main frame means and in turn supporting a formed tire carcass with partially applied tread cap and/or sidewall components, a stitcher assembly comprising:
- a pair of carrier units;
- means for supporting and rotating said carrier units relative to the main frame means;
- a pair of arm assemblies one associated with each of said carrier units;
- means for supporting and linearly moving said arm assemblies with respect to said carrier units;
- each of said arm assemblies including an arm support supported and linearly movable within the associated one of said carrier units, an arm unit mounted on said arm support and movable with respect thereto and carrying stitcher wheel means, and means for resiliently moving said arm unit;
- and said stitcher wheel means being in substantially abutting relationship at the midpoint of the tread at the start of the tread stitching operation.
Dependencies are inferred from the claim text.