Impact Protection Schematic for Drills

I'm seeking an innovative freelancer proficient in constructing versatile tool schematics, specifically a plan for a drill with impact protection. The designed product will principally be used on construction sites. Thus, it's critical that the tool is sufficiently robust to withstand the physical challenges typical to such environments. Your blueprint should demonstrate a firm understanding of the practical requirements of industry-standard drills whilst enhancing its impact durability.

Skills and Experience:
- Proficient in CAD software
- Deep understanding of mechanical design
- Previous experience with tool design, particularly drills
- Knowledge of construction site conditions and requirements
- Proven track record in designing impact-resistant products.

Please provide examples of similar projects you have worked on in the past as part of your proposal.