John Turner,Stephen Carnelly,Jarred William Harris Evans,Ashley Edward Bryant
申请号：
US14414304
公开号：
US20150144166A1
申请日:
2013.07.12
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A foot 200 for attachment to a leg 180 of a trolley frame 100 designed to assist a user of reduced mobility move about a floor 120. The foot 200 has a first state in which the foot presents a contact surface 224 having a frictional resistance that facilitates slidable contact between the foot 200 and the floor 120 when attached to the leg 180 and when in use, and a second state in which the foot presents an enhanced contact surface 252 having an increased frictional resistance between the foot and the floor to resist said slidable contact. The foot 200 is transferrable between the first and the second states in dependence on a downwardly directed force 190 being exerted by the user on the foot through the leg of the trolley frame to allow the trolley frame 100 to be slid or to resist sliding depending upon the state of the foot.
