Front wheel for a handcart

Details Front wheel for a handcart Front wheel for a handcart

1996-01-30

1997-09-23

Graham, Matthew C.

Brakes

Operators

Automatic

16 35R, B60B 3302

Patent

active

056694660

ABSTRACT:
A front wheel structure for a handcart includes a link block having a wheel bracket pivotally attached to an underside thereof with a wheel being rotatably retained in the wheel bracket. A positive stop is slidingly received in a vertical slot defined in the link block and has a head formed at a top end on a first side thereof and a lip formed at a bottom on the first side. In an uppermost position of the positive stop, the bottom thereof is above a sidewall of the wheel bracket such that the wheel bracket can pivot freely. In a lowermost position of the positive stop, the bottom thereof impedes the sidewall of the wheel bracket such that it cannot pivot. A brake is pivotally attached at a top of the wheel bracket and can urge against a periphery of the wheel to.

REFERENCES:
patent: 3636586 (1972-01-01), Bollenger et al.
patent: 3751758 (1973-08-01), Higbee et al.
patent: 4349937 (1982-09-01), Fontana
patent: 4805259 (1989-02-01), Kassai

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