Abstract: A pipelayer machine may comprise a machine chassis; a towing winch assembly coupled to the machine chassis; an operator cabin supported by the machine chassis; an engine supported by the machine chassis; and a boom coupled to the machine chassis. The pipelayer machine may comprise a front portion and a rear portion. The towing winch assembly may be provided in the front portion of the pipelayer machine. The operator cabin may be provided between the towing winch assembly and the engine.

Abstract: A pipelayer machine may comprise a machine chassis; an operator cabin supported by the machine chassis; an engine supported by the machine chassis; and a boom coupled to the machine chassis. The operator cabin may include a seat assembly. The operator cabin may be stationary with respect to the machine chassis. The pipelayer machine may comprise a front portion and a rear portion. The engine may be provided in the rear portion. The boom may be provided forward with respect to the seat assembly.

Abstract: A system for controlling a winch assembly includes a rotatable winch drum with an attached cable. A winch motor is configured to rotate the winch drum. A sensor is configured to generate signals indicative of the number of layers of the winch cable on the winch drum. A winch controller is configured to receive a control input requesting a selected rotation of the winch drum, receive the signals from the sensor, determine a number of layers of the winch cable disposed on the winch drum, and generate control commands to control the winch motor to rotate the winch drum based on the control input and the number of layers of the winch cable. The control command rotates the winch drum to produce a substantially constant line speed based on the selected control input independent of the number of layers determined to be disposed on the winch drum.

Abstract: A mobile pipelayer machine includes a machine chassis having a forward end, a rear end, a first side, and a second side, and a boom extending from the first side of the machine chassis. The mobile pipelayer machine also includes a movable counterweight system extending from the second side of the machine chassis, the movable counterweight system being selectively movable to change a center of gravity of the machine in at least one of a forward or a rearward direction.

Abstract: A pipelayer machine may comprise a machine chassis; an operator cabin supported by the machine chassis; an engine supported by the machine chassis; and a boom coupled to the machine chassis. The operator cabin may include a seat assembly. The operator cabin may be stationary with respect to the machine chassis. The pipelayer machine may comprise a front portion and a rear portion. The engine may be provided in the rear portion. The boom may be provided forward with respect to the seat assembly.

Abstract: A pipelayer machine may comprise a machine chassis; a towing winch assembly coupled to the machine chassis; an operator cabin supported by the machine chassis; an engine supported by the machine chassis; and a boom coupled to the machine chassis. The pipelayer machine may comprise a front portion and a rear portion. The towing winch assembly may be provided in the front portion of the pipelayer machine. The operator cabin may be provided between the towing winch assembly and the engine.

Abstract: A system for controlling a winch assembly includes a rotatable winch drum with an attached cable. A winch motor is configured to rotate the winch drum. A sensor is configured to generate signals indicative of the number of layers of the winch cable on the winch drum. A winch controller is configured to receive a control input requesting a selected rotation of the winch drum, receive the signals from the sensor, determine a number of layers of the winch cable disposed on the winch drum, and generate control commands to control the winch motor to rotate the winch drum based on the control input and the number of layers of the winch cable. The control command rotates the winch drum to produce a substantially constant line speed based on the selected control input independent of the number of layers determined to be disposed on the winch drum.

Abstract: A mobile pipelayer machine includes a machine chassis having a forward end, a rear end, a first side, and a second side, and a boom extending from the first side of the machine chassis. The mobile pipelayer machine also includes a movable counterweight system extending from the second side of the machine chassis, the movable counterweight system being selectively movable to change a center of gravity of the machine in at least one of a forward or a rearward direction.

Abstract: A conforming to the human hand rigid gadget to protect shoppers hands from the puncturing plastic handles of conventional carry out plastic bags (supermarket, department stores, etc) while heavy with contents, attachable and detachable at will, in the form of a tubular gadget with a longitudinal opening, to introduce the handles of the plastic bag(s) being carried, long enough to conform to the lower perimeter of the plastic bag(s) handles and able to sustain several bags carrying merchandise without breaking. Its thickness, also in conformity with the holding hand for a for a pleasant holding.