Yale 150 Case Hard - Descriptive Geometry DES

Free University of Bozen-Bolzano Free University of Bozen-Bolzano Descriptive Geometry Descriptive Geometry Aspromonte Sofia AspromonteGroup Sofia E Group E 2021 | 2022 2021 | 2022

YALE Padlock Case Hard 150 100% Freehand

YALE Padlock Case Hard 150

Who invented Padlocks?

Padlocks are small and portable locks that have been used for several thousand years to defend against theft, unauthorized entrance, vandalism and sabotage. They first appeared in Ancient Egypt and Babylon, and slowly started to spread across ancient civilizations such as China, Greece and Rome. During their travel through our history, padlocks received numerous improvements in their design, creation of basic components and usability, making them one of the most common types of locks in the world.

Today, padlocks are created in industrial facilities that create padlocks of numerous sizes (from protecting bicycles to large hangars), types (keys, combination locks), and security ratings (regulated by government sponsored organizations from all around the world).

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YALE, Stamford (Connecticut) As modern industry made significant advances in resource gathering, manufacturing and tool production, so did locksmith gain new ways of creating ever more intricate, reliable and stronger locks. In late 19th century, invention of small cartage that housed reliable locking mechanism enabled locksmiths to finally start producing locks in industrial environment majority of the lock could be mass produced, and then locking mechanism can be simply inserted and secured. In 1868, the company Yale was founded in Stamford - Connecticut, by Henry R. Towne and Linus Yale, an inventor of the pin “tumbler lock”. The founding name of the corporation was Yale Lock Manufacturing Co. and later the name was changed to Yale & Towne.

Yale’s headquarters are actually located in the city of Stockholm - Sweden.

At the turn of the century, Yale implemented famous “cartridge” style padlock that used sliding pin tumbler mechanism, a basic design that is still used today. Machining metal techniques represented the end of the fully manual production of locks by locksmiths. In 1920s laminated padlock were introduced by Harry Soref and his Master Lock company, and Diecasting entered into production during 1930s.

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Details Model : YALE 150 Cse Hard Padlock, 50 mm Stainless Steel Rotary Dial Period : 1990 - 2000 Designer : YALE® Locks & Hardware Stockholm Sveden (SE) Dimensions: 90 x 48 mm thickness 3.3 - 15 mm Style : Contemporary Materials and tecniques : Stainless Steel, Steel globally manufacturing and industrial production

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From a year to another..

Over the time, different requirements for a padlock have come about, as well as the shape.

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Preliminary Sketches

Elements research the essential elements to compose the structure have been researched.

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Preliminary Sketches

Shape research The shape of the padlock was then traced and defined.

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Orthogonal projections Orthogonal projections of the object in HP - VP - LP.

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Quotes Frontal and lateral quotes of the object.

Scale 1:1, unit : mm

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Frontal view Frontal view of the open-and-close object and colours.

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Axonometrical view A cavalier axonometry of the object was then created, with an angle of 45 degrees.

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Internal Explosion What is the object inside looks like?

The gear

Main structure

Spring

Back Plates Aspromonte Sofia Group E - 2021 | 2022

Details Explosion How is the structure composed and from which parts?

Shackle

Lever Latch

Case

Shake collar Washers

Cam 1,2,3 Aspromonte Sofia Group E - 2021 | 2022

How it works?

The gear by which the lock can work was analyzed, and the process and mechanism were explained step by step.

The lever rotate in order to follow the tension created.

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How it works?

The latch is pushed in by a spring. When the shakle comes down, it pushes the latch, that ride into the slot, and we are locked.

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How it works?

The shackle cannot come off thanks to the shackle collar. The latter is inserted into the tube and wedged in a slot, visible or not on the back of the padlock.

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System of combination Cam 1 is attached to the cable. While instead cam2 and 3 rotate when the combination is inserted. Each cam has a hollow settlement, like a small cut. The lock is unlocked when all 3 cams are line up. When this happens, the lever rotate and the shakle opens.

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Shadows with two vanishing point of We then went on to create the shape of the projection in two points perspective.

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Two vanishing point of view We then went on to create a projection in two points perspective.

Aspromonte Sofia Group E - 2021 | 2022

Two vanishing point of view We then went on to create a projection in two points perspective.

Aspromonte Sofia Group E - 2021 | 2022

Two vanishing point of view We then went on to create a projection in two points perspective.

Aspromonte Sofia Group E - 2021 | 2022

In a physical concept How is a padlock proportioned when compared with our hands? How does it behave?

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Key Variant

A padlock that can be opened using a key is different in the mechanism and composition. The external structure remains unchanged and, as in the chosen model, “Yale 150 case hard”, has no constraints, it can present the most disparate design and shapes, as a purely aesthetic value.

The model chosen for the project, “Yale 150 hard case” padlock, does not have the possibility of a key as an alternative or double placing a lock next to the combination system, as can be found in some models.

Aspromonte Sofia Group E - 2021 | 2022