These are carts (two-wheeled vehicles). They have various names including "Whiskey", "Whisky", "Grasshopper-chaise", "Quaker chaise", "Chaise" (shay), "Gig", "Dennett", etc.

1. Whiskey (half-panel)
2. Cane Whiskey (cane woven "half-panel", thus not for all weather)
3. Grasshopper (three-quarter panel, thus sturdier)