On Tue, 29 Jul 2003 12:35:01 -0400, "William G Darby"
wrote:


"Peter Reilley" wrote in message
...
I just returned from a trip to the UK and a experienced
a reoccurring annoyance. Their shopping carts and airport
carts have casters for all 4 wheels. This makes it impossible
to steer the cart.

Come to think of it ,,,, that's how I dumped my cutter grinder on it's face.
I have the CG on a heavy duty 4 "swivel caster" cart outside, on a concrete
patio. I push the CG toward the house (to get it close enough to connect the
electrical connection) and instead of forward the far end lurches left and
off of the concrete and onto (into) the soft grass. Over she all goes!
She's just now being re assembled.

Bill D

I've designed and built a lot of carts for process r&d (200 to 1000
lbs). I have always used 4 swivel casters because it's impossible to
maneuver in tight quarters with 2 swivel and 2 fixed. For the last 5
or 10 years, though, I've used the swivelling locking casters, which
can be locked at 45 deg increments or allowed to swivel. Best of both
worlds, for more money, of course.

Pete Keillor