CATERPILLAR Skid Steer Loader

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CATERPILLARSkid Steer Loader

• Door Retrofit Design

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Project Outline

• The Design Team
• Company Profile
• The Problem
• Design Guidelines

• Preliminary Designs
• Feasibility Study
• Summary

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The Design Team
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The Design Team

• Robert Marshall - Project Leader
• Robert Brown - Treasurer
• Rob Mingis
• Jacob Freeman
• Demetrius Siachames

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Company Profile

• Caterpillar is a Fortune 100 company and the
  world's largest manufacturer of construction and
  mining equipment, diesel and natural gas engines,
  and industrial gas turbines. The Logistics
  Division provides fully integrated logistics
  solutions for both Caterpillar and third party
  clients. Caterpillar posted 2000 sales and
  revenues of 20.18 billion, 473 million
  higher than 1999.

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Company Profile

• Caterpillar products and components today are
  manufactured in 45 plants in the United States
  and 60 plants located in 20 countries outside of
  the United States. Caterpillar invested more
  than 649 million in research and technology in
  2000. Our employees earned more than 2,800
  patents in the past six years.

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Problem Statement

• The Door is not up to the standards associated
  with Caterpillar
• It impedes operators vision
• Needs to be sealed against weather
• Damaged when lift arm is raised while door is
  open
• Flimsy and not aesthetically pleasing

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Design Guidelines

• Improve Visability
• Improve sealing
• Must avoid damage from the lift arm
• Total cost not to exceed 300 Dollars
• Tooling Cost must not exceed 2000
• Must be retrofitable on all SSLs
• Cannot modify cab dimensions
• Must be aesthetically appealing

• Must be easy to install lt 1 hr installation
• Should be easy to remove lt 5 minutes
• Will be sold in kit form in addition to being
  installed at the factory.

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Preliminary Designs

• Minimize inside latch to improve visibility and
  improve aesthetics

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Preliminary Designs

• Quick Release Hinge Pin

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Preliminary Designs

• Smaller windshield wiper fluid bottle to increase
  visibility

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Feasibility Study

• Minimize Latch
• Ball Release Pins
• Decrease Windshield Bottle Size

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Summary