4,984,740
9 10
tion relative to said stationary frame, and a water-flap means forming a water-passageway through which
mounted by said mounting means for rotation there- water flows, nozzle-means in fluid communication with
with, said water-flap being operatively associated with said water-passageway and through which the water
said nozzle means for controlling the distance to which discharges, mounting means for mounting said means
the water-discharge stream projects from said nozzle 5 forming a water passageway and said nozzle-means for
means, the improvement comprising: rotation relative to said stationary frame, and a water-
means for variably adjusting said water-flap relative flap mounted by said mounting means for rotation
to said nozzle-means during one complete cycle of therewith, said water-flap being operatively associated
said means mounting for rotation in order to vary with said nozzle means for controlling the distance to
the position of said water-flap at least one time 10 which the water-discharge stream projects from said
during said one complete cycle; and nozzle means, the improvement comprising:
said means for variably adjusting comprising a plural- means for variably adjusting said water-flap relative
ity of individually-slidable members each defining to said nozzle-means during one complete cycle of
an outer camming surface; follower means com- said mounting means in order to vary the position
prising a first portion capable of abutting contact 15 of said water-flap at least one time during said one
with each said camming surface, and a second por- complete cycle;
tion; pivot means for mounting said water-flap for said stationary frame comprising a hollow mounting
rotational movement, said pivot means being cou- tube through which the water initially flows, and
pled to said second portion of said follower means; upstanding means having a lower end connected to
said second portion of said follower means com- 20 said mounting tube, and an upper end, and a hous-
prising means for magnifying the pivotal move- ing for mounting said means for variably adjusting,
ment of said water-flap for the same movement of said upper end of said upstanding means supporting
said first portion of said follower means. said housing, said housing being stationarily
17. The improvement according to claim 16, wherein mounted thereby;
said second portion comprises a bracket member having 25 said upstanding means comprising a vertically-ori-
an upper portion connected to said first portion of said ented post, said post passing through said mounting
follower means, and a lower end mounting said pivot means for forming a water-passageway, through
means, said means for magnifying comprising a plural- said nozzle means, and said means mounting said
ity of vertically spaced-apart holes, said pivot means means forming a water-passageway, said upper end
being mountable in any one of said holes by which 30 of said post projecting outwardly beyond a portion
mechanical advantage is altered. of said nozzle means for coupling with said hous-
18. In a lawn-sprinkler comprising a sprinkler-heading. ing.
and a stationary frame, said sprinkler-head comprising * * * * *
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