Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Handle – handle component – or handle adjunct – Luggage-type
Patent
1993-08-04
1995-03-28
Bradley, P. Austin
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Handle, handle component, or handle adjunct
Luggage-type
B25G 104
Patent
active
054004721
ABSTRACT:
A length-adjustable handle assembly for a baggage cart integrated with a suitcase, includes a handle for gripping by a user, at least an outer tube fixedly connected to the suitcase and having a plurality of locking holes along its length, an inner tube fixedly secured to the handle and telescopically movable within the outer tube, an operating sleeve fixedly connected to the inner tube and having holes formed in its wall for receiving steel balls, an operating means movable between a first position and a second position in respective to the inner tubes, a plunger with a flange surface fixedly connected to the operating means and movable within the operating sleeve. When the operating means is operated to the first position, the flange surface of the plunger will contact the steel balls and force at least parts of them to fixedly engage with the holes of the outer tube when the holes of the operating sleeve are aligned with the holes of the outer tubes. When the operating means is operated to the second position, the fixed engagement between the steel balls and the holes of the outer tube is released.
REFERENCES:
patent: 3811455 (1974-05-01), Thur
patent: 3931968 (1976-01-01), Hedberg
patent: 4314624 (1982-02-01), Royet
patent: 4538709 (1985-09-01), Williams et al.
patent: 4586406 (1986-05-01), Howard
patent: 4618035 (1986-10-01), Mao
Bradley P. Austin
Mah Chuck Y.
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