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Week 4 Deliverables

Week 4 Deliverables. Andrew Ogden Nick Fila Greg Freisinger Tracy Jenkins Nate Smiga. Conceptual Designs. Design Partition. Design of the motion activator. Options: 1) Button 2) Hand Pump 3) Lever Design of the force to transfer motion to claws. Options: 1) Pneumatic force

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Week 4 Deliverables

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  1. Week 4 Deliverables Andrew Ogden Nick Fila Greg Freisinger Tracy Jenkins Nate Smiga Conceptual Designs ME 4182: Team Purple Cobras

  2. Design Partition • Design of the motion activator. Options: 1) Button 2) Hand Pump 3) Lever • Design of the force to transfer motion to claws. Options: 1) Pneumatic force 2) Spring force 3) Cable tension • Design of the joints of the claws. Options: 1) Riveted joints 2) Bolt joints 3) Track system • Design of the force system to hold claws closed. Options: 1) Pre-loaded spring force 2) Spring force 3) Lever system ME 4182: Team Purple Cobras

  3. Conceptual Designs Extendable Retracting Scoop • Advantages: • Simple to use • Versatile • Disadvantages: • Complex Design • Limits to scoop size This device uses a spring loaded dust-pan type scoop, which is released through a mechanism to be placed on the handle. Object is swept along the ground and trapped against blocking plate. ME 4182: Team Purple Cobras

  4. Conceptual Designs Button Activated Power Transmitted through cable Object ends up housed inside globe compartment Piston pushes two quarter circles apart Interior quarter circles drop and scoop the desired object Retracting Globe Capsule • Advantages: • Versatile • Compact Design • Disadvantages: • Limits To Scoop Size • Must be made of clear material, yet be very strong This device contains a spring loaded inner casing, which is released by a button on the cane handle. Object will be fully enclosed in the capsule. ME 4182: Team Purple Cobras

  5. Conceptual Designs Thin Metal Elastic Claws Secondary Release • Advantages: • Flexible Pickup • Disadvantages: • Wears out more easily than other designs. This device uses a simple plunger system, in which when a button on the handle is pressed, the claws will expand out. When the button is released, the spring loaded plunger system will retract with the entrapped object inside. ME 4182: Team Purple Cobras

  6. Conceptual Designs Retractable Trap Doors Trap doors shown in both open and shut positions • Advantages: • Fully Enclosed Capture • Disadvantages: • Must be held slightly off ground • Trap Door bottoms must be made very strong Fully enclosed area This device contains two trap doors on the bottom of the cane, which are hinged and kept closed by springs. The doors are opened via the hand grip, and upon releasing the grip, the doors will again close, trapping the object inside. ME 4182: Team Purple Cobras

  7. Conceptual Designs Replaceable Sticky Pads • Advantages: • Versatile, Simple, Intuitive Operation • Disadvantages: • Pads have limited life (Costly to maintain) This device uses a spring loaded sticky pad that will press against a dropped object and in turn pick up the fallen item. Sticky pads are attached to the plunger system with Velcro to allow easy replacement once the pad loses stickiness. ME 4182: Team Purple Cobras

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