Aerosol spray dispenser

Claim 1

In an automatic aerosol spray dispenser for use with a replaceable aerosol can, the improVement comprising: a casing element having means for retaining said can in relatively fixed position, valve actuating means including a lever mounted for pivotal movement at one end thereof with respect to said casing, and having means thereon engaging said can, and cam following means on an oppositely disposed end thereof; motor means disposed within said casing element having an output shaft, and camming means on said shaft in the area of said cam follower means to periodically directly contact the same; solid state timing means including a chargeable condensor, battery means powering said timing means and said motor means, and switch means in series with said motor means and operated by said camming means, whereby: upon the charging of said condensor of said timing means to a predetermined level, and the discharge thereof to said motor means, said motor means will commence operation sufficient to move said camming means to a position wherein said switch closes to cause said motor means to be powered directly from said battery means for the remainder of a spraying cycle terminated by said camming means again contacting and opening said switch; said camming means including a four-lobed cam directly contacting said cam follower means and said switch means, whereby said cam rotates 90* for each cycle of operation; said valve actuating means including a nut on said lever, a threaded shaft engaging said nut and extending toward said can, and clamping means on an end of said shaft engaging a moveable valve-associated member on said container, whereby rotation of said shaft in said nut member may adjust the relation between said clamping means and said cam follower means on said lever.