| 摘要 |
A spray can holding and actuation device comprises a rim engagement element and a locking mechanism for compressing the rim engagement element against the rim surrounding the push-button valve on the can. The rim engagement element includes a compressible collar that is joined to a shroud that depends downwardly from a front portion of the device. The collar is dimensioned to fit around the rim, and it has a pair of opposed ends separated by a gap. In one embodiment, the locking mechanism includes a locking element that is attachable to the opposed collar ends when the ends are urged together to compress the collar against the rim. In another embodiment, the locking mechanism includes a latch that is pivotably attached to one of the collar ends and that is pivotable to a position in which it engages the other collar end and rim, whereby the collar ends are urged together to compress the collar against the rim. In still another embodiment, the shroud has a pair of opposed side surfaces, each of which is formed with an arcuate groove. A camming surface is formed in each of the grooves. The locking mechanism includes a latch that is pivotably attached to the rear surface of the shroud, and that has a pair of opposed arms, each of which terminates in a finger that rides in one of the grooves. The latch is pivotable between a first position in which the fingers are out of engagement with the camming surfaces, and a second position in which the fingers engage the camming surfaces. When the fingers engage the camming surfaces, the collar is compressed against the rim.
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