Patent
Baggage cart with stair climbing ability
TLDR
A baggage cart with two wheels 5 and three-stage extendable and retractable arms as discussed by the authors has a pair of runners pivotably connected to the arms to make smooth the movement of the cart over stair steps.Abstract:
A baggage cart with two wheels 5 and three-stage extendable and retractable arms (1) has a pair of runners (6) pivotably connected to the arms (1), to make smooth the movement of the cart over stair steps. A strut 8 is releasably engaged with catches 9 or 10 on the arms to vary the position of the runners 6.read more
Citations
More filters
Patent
Single axle trolley for carrying a child and a load
TL;DR: A trolley for simultaneously transporting an infant and a load, such as shopping, comprises a frame 18 having a single axle 12 with wheels 14,16, and a stabilising foot 32 as mentioned in this paper.
Patent
Two-wheeled trolley with vertical frame and a loadbearing platform
TL;DR: In this article, a trolley has a connecting tie rod pivoted on the longitudinal profile for swivelling around an axis (S4) lying at right angles to the profile.
Patent
Ski hand truck for carrying heavy loads in stairs comprises trolley with telescopic arms on which two ski runners have been fitted
TL;DR: In this paper, the hand truck comprises a trolley with telescopic arms, provided with two handles, on which two ski runners, with the same alignment as the wheels, have been fitted.
References
More filters
Patent
Shopping cart capable for use on stairs
Magnus Saethre,George Spector +1 more
TL;DR: In this article, a conventional shopping cart is disclosed which is capable to climb a stairway either up or down in a manner that is less exhausting to a person; the cart including an endless track that can be swung outwardly from a retracted, out-of-the-way position so to rest across several steps while being pulled, and the track frame also having legs for automatically holding the cart from rolling down the stairs so that a person can stop to rest at any point along the stairway without need of holding the Cart with his hand.
Patent
Stair climber for hand trucks
TL;DR: In this paper, a two-wheeled hand truck or dolly with an attached stair climber construction is described, which comprises a body member having a retaining flange overhanging both sides of the body, such flange having two portions spaced from one another by a gap.
Patent
Rolling apparatus for transport.
TL;DR: In this article, a rolling transport for suitcases and similar luggage comprises a pair of parallel wheels (18, 19), a loading surface (123, 143), a driving bar and rolling or sliding surfaces for passing over steps or staircases.