Abstract: An improvement is provided in a motor drive rotary herbage trimmer whereby a spool that carries a supply of a flexible cord is easily inserted into the trimmer or removed therefrom. The improvement involves a receptacle mounted to the drive shaft of the motor and adapted to hold the spool, a closure member adapted to seal the open bottom of the receptacle, coupling devices which cause the closure member to interlock with the receptacle by turning movement, and a holding bar which can be used to hold the receptacle motionless while the closure member is turned.

Abstract: Improvements are made in a kitchen waste disposer to enhance its efficiency, reduce vibration and noise, and increase safety. The improvements include the provision of two cutting blades mounted one above the other and caused to rotate at synchronously equal speeds in opposite directions. Water injection components may be utilized to enhance the turbulence adjacent the blades and wash away debris. In preferred embodiments, an automatically deployed safety cover is associated with the top of the disposer.