Patent attributes
A spraying device includes a gas can and a sprayer/joint combination. The gas can is formed with a collar defining a cutout. The sprayer/joint combination includes a frame, two shoes, an expanding element and a sprayer. The frame defines two slots and includes a block formed thereon and disposed in the cutout. The shoes are pivotally connected to the frame, and each of them includes a head and a tail. The expanding element includes a cam with two lobes. The expanding element can be pivoted between a locking position where the lobes push the heads of the shoes against the collar of the gas can and an unlocking position where the lobes contact the tails of the shoes. The sprayer includes a nozzle, a knob and a connective unit. The connective unit of the sprayer is connected to the expanding element through the frame.
