Abstract: The invention relates to a tool device (1) for connecting a plastic tube or a metal/plastic composite tube to a fitting with a sliding or pressing sleeve, comprising a housing (2); an expansion device (3) for expanding the ends of the plastic tube or the metal/plastic composite tube; a sliding device (4) for sliding on the sliding sleeve or a pressing device for pressing on the pressing sleeve; and a drive element (5) which can be operated mechanically and which can be actuated in a switchable manner in order to drive the expansion device (3) or in order to drive the sliding or pressing device (4). The expansion device (3) and the sliding or pressing device (4) are connected to the housing (2), and the drive element (5) can be switched between driving the expansion device (3) and driving the sliding or pressing device (4) by rotating the housing (2) relative to the drive element (5).

Abstract: A tool device for connecting a plastic pipe or composite metal/plastic pipe to a fitting using a sliding sleeve or compression sleeve. The device includes a housing; a flaring device for flaring the ends of the plastic pipe or composite metal/plastic, pipe; a sliding device for sliding the sliding sleeve on or a pressing device for pressing the compression sleeve on; and a mechanically operable drive element. The drive element can be switched to drive the flaring device or to drive the sliding device or pressing device. The flaring device includes a first piston-cylinder unit, whose working piston has a piston axis and which has an inner end and an end oriented away from the tool device. The sliding device or pressing device includes a second piston-cylinder unit, whose working piston has a second piston axis and which has an inner end and an end oriented away from the tool device.

Abstract: Expansion head for expansion tools for hollow workpieces, particularly for the ends of plastic pipes and metal-plastic composite pipes, comprising a union cap with a radially inwardly oriented guide flange, and a set of sector-shaped expandable jaws, each of which is individually received in the union cap in a radially movable manner by an inner flange sector that overlaps with the guide flange, the set of sector-shaped expandable jaws being movable between a closed state and an expansion state, and an approximately cylindrical lateral surface being embodied in the closed state by the outer wall of the expandable jaws, wherein the outer wall has at least one recess and/or raised area extending in the direction of the longitudinal axis of the expandable jaws.

Abstract: A support apparatus for supporting multiple display devices includes an elongated member having at least one groove and/or spline positioned in a rear surface of the elongated member. A connector is attached to the rear surface of the elongated member adjacent a central portion of the rear surface. A first display device collar is attached to the elongated member adjacent a first end of the elongated member and is slideable along the groove or spline of the elongated member from adjacent the first end to adjacent the connector. A second display device collar is attached to the elongated member adjacent a second end of the elongated member and is slideable along the groove or spline of the elongated member from adjacent the second end to adjacent the connector. Display device mounting devices are pivotally connectable to the first and second display device collars for attachment to the elongated member.

Abstract: An expansion head for expansion tools for hollow work-pieces, particularly for the ends of plastic pipes and metal-plastic composite pipes, comprising a union cap having a guide flange directed radially inward, and a set of expandable jaws of sector-shaped design, each received individually by an inner flange sector overlapping the guide flange so that they are radially movable in the union cap, wherein the set of sector-shaped expandable jaws is movable between a closed state and an expansion state, and in a closed state, an approximately cylindrical lateral area is formed by an envelope of the outer walls of the set of expandable jaws, wherein characterized in that each expandable jaw is provided with at least one recess extending in the direction of the longitudinal axis of the expandable jaws so that in a closed state of the expansion head, the surface of the outer walls of the set of expandable jaws corresponds to 25% to 75% of the surface of the envelope of the outer walls of the set of expandable jaws.

Abstract: A tool device for connecting a plastic pipe or composite metal/plastic pipe to a fitting by means of a sliding sleeve or compression sleeve. The device includes a housing; a flaring device for flaring the ends of the plastic pipe or composite metal/plastic, pipe; a sliding device for sliding the sliding sleeve on or a pressing device for pressing the compression sleeve, on; and a mechanically operable drive element. The drive element can be switched to drive the flaring device or to drive the sliding device or pressing device. The flaring device includes a first piston-cylinder unit, whose working piston has a piston axis and which has an inner end and an end oriented away from the tool device. The sliding device or pressing device includes a second piston-cylinder unit, whose working piston has a second piston axis and which has an inner end and an end oriented away from the tool device.

Abstract: Expansion head for expansion tools for hollow workpieces, particularly for the ends of plastic pipes and metal-plastic composite pipes, comprising a union cap with a radially inwardly oriented guide flange, and a set of sector-shaped expandable jaws, each of which is individually received in the union cap in a radially movable manner by an inner flange sector that overlaps with the guide flange, the set of sector-shaped expandable jaws being movable between a closed state and an expansion state, and an approximately cylindrical lateral surface being embodied in the closed state by the outer wall of the expandable jaws, wherein the outer wall has at least one recess and/or raised area extending in the direction of the longitudinal axis of the expandable jaws.

Abstract: A support apparatus for supporting multiple display devices includes an elongated member having at least one groove and/or spline positioned in a rear surface of the elongated member. A connector is attached to the rear surface of the elongated member adjacent a central portion of the rear surface. A first display device collar is attached to the elongated member adjacent a first end of the elongated member and is slideable along the groove or spline of the elongated member from adjacent the first end to adjacent the connector. A second display device collar is attached to the elongated member adjacent a second end of the elongated member and is slideable along the groove or spline of the elongated member from adjacent the second end to adjacent the connector. Display device mounting devices are pivotally connectable to the first and second display device collars for attachment to the elongated member.

Abstract: A support apparatus includes an arm assembly attached to a support assembly such that the arm assembly is positionable adjacent to an article of furniture such as a desk or work surface. A mounting device is attached to the arm assembly that is sized and configured to retain a display device. A vertically adjustable attachment mechanism attaches a first end of the counterbalance mechanism to the arm assembly or support assembly. The vertically adjustable attachment mechanism is sized and configured such that a vertical position of the first end of the counterbalance mechanism is adjustable via movement of at least one component of the vertically adjustable attachment mechanism.

Abstract: An expansion head for expansion tools for hollow work-pieces, particularly for the ends of plastic pipes and metal-plastic composite pipes, comprising a union cap having a guide flange directed radially inward, and a set of expandable jaws of sector-shaped design, each received individually by an inner flange sector overlapping the guide flange so that they are radially movable in the union cap, wherein the set of sector-shaped expandable jaws is movable between a closed state and an expansion state, and in a closed state, an approximately cylindrical lateral area is formed by an envelope of the outer walls of the set of expandable jaws, wherein characterized in that each expandable jaw is provided with at least one recess extending in the direction of the longitudinal axis of the expandable jaws so that in a closed state of the expansion head, the surface of the outer walls of the set of expandable jaws corresponds to 25% to 75% of the surface of the envelope of the outer walls of the set of expandable jaws.

Abstract: A support apparatus includes an arm assembly attached to a support assembly such that the arm assembly is positionable adjacent to an article of furniture such as a desk or work surface. A mounting device is attached to the arm assembly that is sized and configured to retain a display device. A vertically adjustable attachment mechanism attaches a first end of the counterbalance mechanism to the arm assembly or support assembly. The vertically adjustable attachment mechanism is sized and configured such that a vertical position of the first end of the counterbalance mechanism is adjustable via movement of at least one component of the vertically adjustable attachment mechanism.

Abstract: A support apparatus includes an arm assembly attached to a support assembly such that the arm assembly is positionable adjacent to an article of furniture such as a desk or work surface. A mounting device is attached to the arm assembly that is sized and configured to retain a display device. A vertically adjustable attachment mechanism attaches a first end of the counterbalance mechanism to the arm assembly or support assembly. The vertically adjustable attachment mechanism is sized and configured such that a vertical position of the first end of the counterbalance mechanism is adjustable via movement of at least one component of the vertically adjustable attachment mechanism.

Abstract: A support apparatus includes an arm assembly attached to a mounting body. A frictional adjustment mechanism is provided between the mounting body and the arm assembly that permits an amount of friction induced by tilting of the mounting body to be adjusted so that a greater or lesser amount of force is needed by a user to tilt the mounting body and any object held by the mounting body. Preferably, the mounting body is configured to hold a monitor, liquid crystal display, or other display device.

Abstract: A support apparatus includes an arm assembly attached to a support assembly such that the arm assembly is positionable adjacent to an article of furniture such as a desk or work surface. A mounting device is attached to the arm assembly that is sized and configured to retain a display device. A vertically adjustable attachment mechanism attaches a first end of the counterbalance mechanism to the arm assembly or support assembly. The vertically adjustable attachment mechanism is sized and configured such that a vertical position of the first end of the counterbalance mechanism is adjustable via movement of at least one component of the vertically adjustable attachment mechanism.

Abstract: A support apparatus includes an arm assembly attached to a mounting body. A frictional adjustment mechanism is provided between the mounting body and the arm assembly that permits an amount of friction induced by tilting of the mounting body to be adjusted so that a greater or lesser amount of force is needed by a user to tilt the mounting body and any object held by the mounting body. Preferably, the mounting body is configured to hold a monitor, liquid crystal display, or other display device.

Abstract: A support apparatus includes a support member having at least one thread, a collar attached to the support member that is moveable along the one or more threads of the support member and at least one arm assembly attached to or positioned on the collar. The one or more threads may include a ridge formed on the support member or a groove formed in the support member. The one or more arm assemblies are configured to hold an object such as, for example, a monitor, copy holder, liquid crystal display or light fixture.

Abstract: A support apparatus includes a support member having at least one thread, a collar attached to the support member that is moveable along the one or more threads of the support member and at least one arm assembly attached to or positioned on the collar. The one or more threads may include a ridge formed on the support member or a groove formed in the support member. The one or more arm assemblies are configured to hold an object such as, for example, a monitor, copy holder, liquid crystal display or light fixture.

Abstract: A support apparatus includes an arm assembly attached to a support assembly such that the arm assembly is positionable adjacent to an article of furniture such as a desk or work surface. A mounting device is attached to the arm assembly that is sized and configured to retain a display device. A vertically adjustable attachment mechanism attaches a first end of the counterbalance mechanism to the arm assembly or support assembly. The vertically adjustable attachment mechanism is sized and configured such that a vertical position of the first end of the counterbalance mechanism is adjustable via movement of at least one component of the vertically adjustable attachment mechanism.

Abstract: A support apparatus includes a first substantially horizontal member positioned adjacent to first and second elongated substantially vertical member members. The first substantially horizontal member has a channel formed in its rear side. The channel is sized and configured to receive wiring for display devices. The first substantially horizontal member is supported or attached to first and second collars positioned on the first and second elongated substantially vertical members such that movement of the first and second collars adjusts a vertical position of the first substantially horizontal member. One or more display devices, such as LCD screens or computer monitors, may be positioned on the first substantially horizontal member.

Abstract: A support apparatus includes a first substantially horizontal member positioned adjacent to first and second elongated substantially vertical member members. The first substantially horizontal member has a channel formed in its rear side. The channel is sized and configured to receive wiring for display devices. The first substantially horizontal member is supported or attached to first and second collars positioned on the first and second elongated substantially vertical members such that movement of the first and second collars adjusts a vertical position of the first substantially horizontal member. One or more display devices, such as LCD screens or computer monitors, may be positioned on the first substantially horizontal member.