Boot and shoe making – Sole and/or heel burnishing machines – Rotary tool
Patent
1989-07-07
1990-11-20
Meyers, Steven N.
Boot and shoe making
Sole and/or heel burnishing machines
Rotary tool
69 65, 12 142, A43D 9500, A43D 9516
Patent
active
049707450
ABSTRACT:
A shoe support (18) for use in a machine for operating progressively onside wall portions of a lasted shoe upper comprises a last pin (722) and a toe support (792) both of which are movable heightwise to bring a shoe supported thereby to a heel seat height datum and toe end height datum as determined respectively by a holddown (450) and toe abutment (806). Heel end centralizing means (390) and toe end centralizing means (822) are also provided. When the shoe has been properly located the last pin is urged to pivot toewardly thus to cause the last pin to "bind" on the last pin hole formed in the last and, by the counter-force supplied by the toe support (792) the shoe is thus securely clamped on the last pin and toe support, such that as the side wall roughing tool (250) is caused to progress around the side wall portions of the shoe, the toe abutment 806 can be moved to an out-of-the-way position, as the tool approaches the toe end of the shoe, and similarly the holddown and heel end centralizing assembly (780) can be bodily retracted to an out-of-the-way position as the tool approaches the heel end of the shoe. Preferably before the retraction of said assembly (780) the toe abutment (860) is restored to its operative position.
REFERENCES:
patent: 3843985 (1974-10-01), Leonhardt
patent: 4000535 (1977-01-01), Barton
patent: 4090378 (1978-05-01), Sommer
patent: 4331011 (1982-05-01), Elliott et al.
patent: 4691398 (1987-09-01), Kadogawa
British United Shoe Machinery Ltd.
Meyers Steven N.
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