26 January 2005Team Safety Lock Mailbox1 Team Safety Lock Mailbox ME Week 3 Carlos Alzate Brian Dorton Song Park Varun Sharma Jack Vasko Adam Zurawski

26 January 2005Team Safety Lock Mailbox2 Problem Statement Scope of the Problem –Threat of personal information stolen –Identity theft via bills, documents, and packages Customer Needs –Secure box to prevent theft and vandalism –Storage space large enough for small deliverable packages –Aesthetic appearance matching neighborhood codes

26 January 2005Team Safety Lock Mailbox3 Problem Statement (cont.) Constraints and Specifications –The safety mailbox will have to be strong enough to withstand vandalism –Mail not accessible when door is closed –The dimensions will have to meet standard mailbox and post sizes –The opening contraption must be secure from tampering –The retrieval box will have to be pleasing to the eye and meet any local laws/codes

26 January 2005Team Safety Lock Mailbox4 Problem Statement (cont.) Market –Rural homes –Subdivisions –Businesses Evaluation Criteria –How easy is the mailbox to break in to? –How aesthetic is the design? –How reliable are the opening and locking devices?

26 January 2005Team Safety Lock Mailbox5 Problem Statement (cont.) Goals for this Project –To produce a useful and reliable product –To learn about the design and manufacturing process –Learn team cooperation and planning skills –Have Fun

Design Partition Subsystems allow for: Improved time management of the design process A more robust design of the final prototype

26 January 2005Team Safety Lock Mailbox7 Subsystems Delivery Receptacle Safety Receptacle Transfer Mechanism Mechanical Linkage

26 January 2005Team Safety Lock Mailbox8 Delivery Receptacle Retains design of traditional style mailbox –Capacity –Shape –Accessibility –Identifiers (i.e. street numbers, red flag, etc.) Improved protection against vandalism and weather Requires ability to handle outgoing mail

26 January 2005Team Safety Lock Mailbox9 Safety Receptacle Provides a high level of protection against breaking and entering Unobtrusive to the overall traditional appearance Allow easy access by means of a locking mechanism Requires same capacity as Delivery Receptacle

26 January 2005Team Safety Lock Mailbox10 Transfer Mechanism Effectively transfers all types of mail from delivery receptacle to safety receptacle Must be robust by design for smooth and repeated operation Eliminate all possible mishaps of jamming Able to withstand any possible attempt of break-in

26 January 2005Team Safety Lock Mailbox11 Mechanical Linkage Allows the delivery receptacle door to effectively operate the transfer mechanism Designed for repeated and effective use Aides in preventing possible break-in through delivery receptacle

26 January 2005Team Safety Lock Mailbox12 Project Plan

26 January 2005Team Safety Lock Mailbox13 Team Member Tasks Carlos Alzate –Design Sketches –CAD Drawings Brian Dorton –Prototype Organization and Building –Materials Selection and Purchasing –Final Poster Song Park –Engineering Analysis –Design Selection

26 January 2005Team Safety Lock Mailbox14 Team Member Tasks (cont.) Varun Sharma –Collecting Deliverables –Final Paper –Treasurer Jack Vasko –Website –Pictures and Videos Adam Zurawski –Organize Meetings –Weekly Presentations –Final Presentation

26 January 2005Team Safety Lock Mailbox15 Team Member Tasks (cont.) All –Final Deliverable Checklist –Final Group Evaluations

26 January 2005Team Safety Lock Mailbox16 Questions?