Abstract: Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can define a chamber configured for expansion and contraction and configured to be positioned inside the housing to relieve pressure build-up within the housing. The vent can be configured to allow air to flow between the atmosphere and the chamber.

Abstract: Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can define a chamber configured for expansion and contraction and configured to be positioned inside the housing to relieve pressure build-up within the housing. The vent can be configured to allow air to flow between the atmosphere and the chamber.

Abstract: Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can define a chamber configured for expansion and contraction and configured to be positioned inside the housing to relieve pressure build-up within the housing. The vent can be configured to allow air to flow between the atmosphere and the chamber.

Abstract: Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can define a chamber configured for expansion and contraction and configured to be positioned inside the housing to relieve pressure build-up within the housing. The vent can be configured to allow air to flow between the atmosphere and the chamber.

Abstract: Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can define a chamber configured for expansion and contraction and configured to be positioned inside the housing to relieve pressure build-up within the housing. The vent can be configured to allow air to flow between the atmosphere and the chamber.

Abstract: Some embodiments of a gearbox for an irrigation system can comprise a housing, a worm gear within the housing, a bull gear within the housing and configured to be engaged with the worm gear, a diaphragm, and a vent. The diaphragm can define a chamber configured for expansion and contraction and configured to be positioned inside the housing to relieve pressure build-up within the housing. The vent can be configured to allow air to flow between the atmosphere and the chamber.

Abstract: An in-wall component is installed in a partition by attaching the wall component to a bracket mounted to a hole in the partition. The component is slightly recessed from the front of the partition to create a slight recess between the front of the partition and the front of the component. A component leveler could then be attached to the bracket to cover the in-wall component, providing a mount that is substantially flush to the wall. The component leveler has several adjustment mechanisms that operate independently of one another to adjust an angular depth of the component leveler to ensure that the edges of the component leveler are perfectly flush with the front of the partition.

Abstract: A three-way speaker system is provided having a translatable midrange/tweeter module. The system comprises a speaker frame having a central speaker axis, and a bass speaker secured to the speaker frame and centered on the speaker axis. A cylindrical compression module is disposed along the speaker axis, having a first end engaged to the bass speaker and a second end resiliently extending therefrom. A midrange/tweeter module is centered on a speaker axis in compressive engagement with a compression member. A yoke is secured to the speaker frame, having a annular support member for receiving and maintaining the midrange/tweeter module in compressive engagement with the compression member, while permitting axial translation of the midrange/tweeter module.