Douglas G. Sabin,Paul C. Sabin,Joshua M. Gomes,Timothy F. Deso
申请号：
US13719353
公开号：
US08967628B2
申请日:
2012.12.19
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A cart is configured to allow a user to gain mechanical advantage in moving a load up or down a step, a curb, a flight of stairs or other obstruction while at the same time allowing them to employ a conventional lifting motion in an improved ergonomic position.
