Harry T Metcalfe

Title: Innovations of Harry T Metcalfe

Introduction

Harry T Metcalfe is an accomplished inventor based in North Wales, PA (US). He is known for his innovative contributions to the field of lift bags, particularly through his patented invention that enhances the functionality and efficiency of lifting objects.

Latest Patents

Metcalfe holds a patent for a Multiple Chambered Lift Bag. This innovative lift bag features a plurality of independently inflatable chambers that allow for precise control over the lifting of objects. Each chamber is constructed with an upper surface sheet and a lower surface sheet, with the upper sheet of one chamber securely attached to the lower sheet of an adjacent chamber. This design enables the lift bag to operate at pressures of about 15 psig at specified heights, offering greater flexibility compared to conventional single-chambered lift bags, which typically operate at pressures of about 7 psig. The construction of the lift bag ensures durability, as all seams, reinforcements, and fittings are vulcanized in place using uncured rubber coated fabric. Additionally, grommets or other securing means may be utilized to provide further stability to the lift bag.

Career Highlights

Metcalfe is associated with Engineered Fabrics Corporation, where he applies his expertise in developing advanced fabric technologies. His work has significantly contributed to the company's reputation for innovation in engineered fabrics.

Collaborations

One of his notable coworkers is Hancel R Wright, with whom he has likely collaborated on various projects within the company.

Conclusion

Harry T Metcalfe's contributions to the field of lift bags exemplify his innovative spirit and dedication to enhancing lifting technologies. His patent for the Multiple Chambered Lift Bag showcases his ability to improve existing solutions, making him a noteworthy figure in the realm of inventions.