Theme : Portability

1. Theme : Portability Design Context Wheeled devices that help with moving and transporting different items

2. Question 2 – Design Ideas • 3 different design ideas 3x6 marks • Quality of sketches 6 marks • Quality of notes 3 marks Total 27 marks

3. Portable shopping trolleys

4. 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

5. 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 pipe bending machine Galvanized 6 Wheel Trolley fitted with 200mm 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 Castor can swivel 360 degrees for easy movement Large storage area

6. 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

7. Rubber handle for extra grip and comfort (ergonomic) 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’ Lightweight aluminium alloy frame Swivel castor

8. 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! 100% plastic, probably HDPE or polypropylene. Cheap to manufacture, most likely injection moulded. Self finishing, easily wiped clean. Two small wheels which act as pivots http://www.technologystudent.com/equip1/inject1.htm

9. Lightweight aluminium alloy tubing for main frame Rubber handle for extra grip Nylon carrying handle Zip fastening to keep things dry Detachable bag made from canvas or PVC Axle connecting wheels Small rubber feet for protection www.technologystudent.com/designpro/plastic1.htm

10. Portable fishing tackle boxes

11. Fishing Tackle Boxes Carrying handle Lift up hinged lid 4 drawers which slide out Clip fastening Made from HDPE or rigid PVC Injection moulded Lightweight Compact, takes up minimum amount of space

12. Portable garden trolleys

13. Portable, wheeled garden devices Height adjustable 55-82cm, so you don’t get back ache!! (ergonomic) Garden pot mover. 3 castors, one lockable Made from powder coated steel Shape of a flower Garden cart Collect weeds, fallen leaves and garden clippings Lightweight Height adjustable

14. 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 Garden Trolley

15. Caretakers Trolley Mild steel frame welded together Gloss paint finish Plywood base 4 castors which swivel Welded joint Hammerite paint is much better than gloss paint. It doesn’t chip easily and can be put straight onto steel

16. The wheels act as pivot making it much easier to transport heavy, bulky items around Wheel acts as pivot Mild steel frame gone rusty

17. Hammerite paint is much better than gloss paint. It doesn’t chip easily and can be put straight onto steel and is rustproof

18. Portable children’s trolleys

19. Children’s trolleys Bright colours make them appealing to young children Dowel for handle The design is safe. Almost impossible to ‘tip over’. Dowel for axle through wheel Finish is non toxicpaint making it safe for young children 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

20. Clear, hardwearing finish such as polyurethane varnish Wooden frame made from beech which is a hardwood dowels Trolley is suitable for a range of children of different heights and ages 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

22. 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

23. Requirement 3 It must be capable of being manufactured in quantity Requirement 4 It must be durable Explanation 3 The will ensure the price is kept low and the quality kept high Explanation 4 The customer will want the product to last for a few years Design Requirements

24. 8 really easy marks to gain on the first question Do not repeat the example given on the exam paper !!!

25. Ergonomics and Anthropometrics www.technologystudent.com/designpro/ergo1.htm

26. Types of Production • One off • Batch Production • Mass production • Mass Production Flow Charts