Oscillating and rotating lawn sprinkler

Claim 1

IN A LAWN SPRINKLER, THE COMBINATION OF: (A) A SUPPORTING FRAME, (B) A WATER MOTOR INCLUDING A HOUSING ON SAID FRAME HAVING AN INLET AND AN OUTLET AND PROVIDED WITH A DRIVING CRANK OUTSIDE SAID HOUSING, (C) A SPRINKLER SUPPLY PIPE JOURNALLED IN SAID HOUSING TO OSCILLATE ABOUT A HORIZONTAL AXIS AND COMMUNICATING WITH SAID OUTLET TO RECEIVE WATER THEREFROM, (D) A DRIVING CONNECTION BETWEEN SAID CRANK AND SAID SPRINKLER SUPPLY PIPE TO OSCILLATE THE LATTER, (E) SAID DRIVING CONNECTION INCLUDING AN ARM ROTATABLE LOOSELY ON AND CARRIED BY THE SPRINKLER SUPPLY PIPE AND HAVING A PIVOTAL CONNECTION TO SAID CRANK, (F) AND CONNECTOR MEANS INCLUDING A PART CARRIED BY SAID SUPPLY PIPE FOR OSCILLATION THEREWITH AND MOVABLE THEREON SELECTIVELY INTO A FIXED DRIVING CONNECTION BETWEEN SAID ARM AND THE SPRINKLER SUPPLY PIPE TO OSCILLATE THE PIPE OR INTO A FIXED HOLDING CONNECTION BETWEEN AN ELEMENT OF THE MOTOR HOUSING AND THE SPRINKLER SUPPLY PIPE TO ANCHOR THE LATTER AGAINST OSCILLATION.