Theme : Portability
Design Context
Wheeled devices that help with moving
and transporting different items
Question 2 – Design Ideas
• 3 different design ideas
• Quality of sketches
• Quality of notes
3x6 marks
6 marks
3 marks
Total 27 marks
Portable shopping trolleys
Body of trolley must be rust proof. Finish could
be stainless steel, chrome plated or
galvanised
Baby seat
made from
HDPE
Hook for a
bag
Young
child seat
or extra
storage
space
Seat
strap
for
safety
All four wheels pivot around
360 degrees for extra
manouverability
Shopping trolley
www.technologystudent.com/equip_flsh/galv1.html
Galvanising is a metal
finishing process which means
it wont rust
Steel tubing has
been bent using a
Galvanized 6 Wheel Trolley fitted with 200mm
pipe bending machine
fixed centre wheels and 125mm swivel castors to
each corner (with this design there is a slight rock
from end to end built into the trolley to ensure that
the centre wheels are always in contact with the
ground).
Steel tube has
been welded
together
Large storage area
Castor can
swivel 360
degrees for
easy movement
Large sheets of material can be
slid in and stacked in the space
Handle to push
the trolley
Plywood base lies
‘flush’ with base
www.technologystudent.com/designpro/mboard1.htm
Rubber handle for
extra grip and
comfort (ergonomic)
Lightweight
aluminium alloy
frame
Swivel
castor
Why is this height
important?
This trolley will
have been
designed and
made for the vast
majority of people
to use based on
‘anthropometric
data’
Basket is multipurpose – can be carried or
wheeled
Carrying handle
Handle slides in
and out making
the basket
useable for a
range of people
of different
height
(ergonomic)
Holes make it
lightweight. Water
can drain through
if it rains!
Two small wheels which
act as pivots
100% plastic, probably HDPE or
polypropylene. Cheap to manufacture,
most likely injection moulded. Self
finishing, easily wiped clean.
http://www.technologystudent.com/equip1/inject1.htm
Rubber handle
for extra grip
Zip fastening to
keep things dry
Lightweight aluminium alloy
tubing for main frame
Nylon carrying
handle
Detachable bag
made from
canvas or PVC
Axle connecting wheels
Small rubber
feet for
protection www.technologystudent.com/designpro/plastic1.htm
Portable fishing tackle boxes
Fishing Tackle Boxes
Carrying
handle
Lift up
hinged lid
Clip
fastening
Made from HDPE or rigid PVC
Injection moulded
Lightweight
Compact, takes up minimum
amount of space
4
drawers
which
slide out
Portable garden trolleys
Portable, wheeled garden
devices
Height adjustable
55-82cm, so you
don’t get back
ache!!
(ergonomic)
Garden pot mover.
Garden cart
3 castors, one
lockable
Collect weeds, fallen
leaves and garden
clippings
Made from powder
coated steel
Shape of a flower
Lightweight
Height adjustable
Garden Trolley
This is the slightly smaller version
of the ever popular trolley cart. It is
extemely useful in any environment!
Easy to fill and pull. Once you have
one of these you'll wonder how you
ever did without it! The sides can
drop down for easy access and can
also be removed completely for use
as a flat bed.
* 200kg load capacity
* Weight 28.5kg
* Very useful item
* All steel construction
* Four hinged drop sides
* Turntable steering
* Pneumatic wheels 25cm dia with
bearings
* Overall dimensions 109cm long x
50cm wide x 60cm high (excluding
drawbar handle)
* Internal dimensions 99cm long x
48cm wide x 27cm high
Caretakers
Trolley
Mild steel frame
welded together
Gloss paint finish
Plywood base
4 castors which
swivel
Hammerite paint is much better than gloss paint.
It doesn’t chip easily and can be put straight onto
steel
Welded joint
The wheels act as pivot making it much easier to transport
heavy, bulky items around
Wheel acts
as pivot
Mild steel frame
gone rusty
Hammerite paint is much better
than gloss paint.
It doesn’t chip easily and can be
put straight onto steel and is
rustproof
Portable children’s trolleys
Children’s trolleys
Bright colours
make them
appealing to
young children
Dowel for handle
The design is
safe. Almost
impossible to
‘tip over’.
Finish is non toxic
paint making it
safe for young
children
Dowel for axle
through wheel
Block trolleys: solid well
balanced big wheeled trolleys
very popular solid support for
small children taking their first
steps.
Storage for a
number of toys
Clear, hardwearing
finish such as
polyurethane varnish
Wooden frame
made from beech
which is a
hardwood
Trolley is
suitable for a
range of
children of
different
heights and
ages
dowels
The Meyland-Smith Push Cart is
designed to aid the progression of
walking abilities in children. The
cart can be used to store toys and
provide support for the child while
they play and move around
independently
Design Requirements
Requirement 1
It must be safe to use
Requirement 2
It must be stable
Explanation 1
No-one should get
hurt when wheeling
the device
Explanation 2
The device must not
fall over when being
used
Design Requirements
Requirement 3
It must be capable of
being manufactured
in quantity
Explanation 3
The will ensure the
price is kept low and
the quality kept high
Requirement 4
It must be durable
Explanation 4
The customer will
want the product to
last for a few years
8 really easy marks to gain on
the first question
Do not repeat the example
given on the exam paper !!!
Ergonomics and Anthropometrics
www.technologystudent.com/designpro/ergo1.htm
Types of Production
• One off
• Batch Production
• Mass production
• Mass Production Flow Charts