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US 3,994,505 AGranted
Shopping cart
AssigneeLock-A-Cart, Inc.
InventorFrances R. Balha
Life of this patent
Estimating the term…
Abstract
A shopping cart including a wheeled basket having a hinged cover and locks both for the cover and for the wheels. Mechanism is provided whereby the wheels are locked when the cover is open, and unlocked when the cover is closed, although the wheel lock may be operated manually if the cover is held open by overloading the cart. A key lock mechanism is provided for locking both the wheels and the cover in the event the user desires to leave the cart unattended.
Claims8
A shopping cart comprising:
- a. an open-topped basket,
- b. ground-engaging wheels carried rotatably by and supporting said basket,
- c. a cover hinged to said basket and manually movable between open and closed positions respectively allowing and blocking access to the interior of said basket,
- d. a mechanical locking device operable when egaged to secure at least certain of said ground-engaging wheels against rotation, and
- e. manual operating means for selectively engaging and disengaging said locking device, said manual operating means being mechanically operable by said cover to engage said locking device when said cover is opened, and to disengage said locking device when said cover is closed.
2 more elements
Dependencies are inferred from the claim text.