A handwheel assembly includes a housing. A shaft having a central axis is rotatably supported by the housing. A locking device is rigidly attached to the housing. A rotary gear is circumferentially disposed over the shaft. A handwheel is circumferentially disposed over the shaft. The rotary gear and handwheel are operable to slide along the shaft from a first locked position to a second unlocked position. In the first locked position, the rotary gear is engaged with the locking device to rotationally lock the shaft. In the second unlocked position, the rotary gear is disengaged from the locking device to allow the shaft to rotate.

A handwheel assembly includes a housing. A shaft having a central axis is rotatably supported by the housing. A locking device is rigidly attached to the housing. A rotary gear is circumferentially disposed over the shaft. A handwheel is circumferentially disposed over the shaft. The rotary gear and handwheel are operable to slide along the shaft from a first locked position to a second unlocked position. In the first locked position, the rotary gear is engaged with the locking device to rotationally lock the shaft. In the second unlocked position, the rotary gear is disengaged from the locking device to allow the shaft to rotate.

An optical device housing has a post rotatably extending therefrom and a sleeve fixedly extending therefrom. The sleeve is disposed about the post and a knob is connected to the post. A nut rotatably engages with the sleeve and is configured to rotate with the knob. An adjustment screw is threadably engaged with the nut and engages with the knob so as to rotate with the knob. Rotation of the adjustment screw about a screw axis increases a frictional resistance between the nut and the sleeve.

A lighting control console for controlling a lighting system, wherein digital adjusting commands are generated in the lighting control console that can be transmitted to the lighting system via data links. At least one dual encoder is provided in the control panel of the lighting control console which allows users to enter input values. The dual encoder includes a first shaft and a second shaft rotatably mounted in a housing, first and second locking mechanisms for locking different rotational positions of the first and second shafts, and at least one first and at least one second rotation signal generator for generating a data signal showing a switchover between two locking positions. Both shafts include actuating elements at which adjusting movements can be transmitted onto the shafts by hand.

A lighting control console for controlling a lighting system, wherein digital adjusting commands are generated in the lighting control console that can be transmitted to the lighting system via data links. At least one dual encoder is provided in the control panel of the lighting control console which allows users to enter input values. The dual encoder includes a first shaft and a second shaft rotatably mounted in a housing, first and second locking mechanisms for locking different rotational positions of the first and second shafts, and at least one first and at least one second rotation signal generator for generating a data signal showing a switchover between two locking positions. Both shafts include actuating elements at which adjusting movements can be transmitted onto the shafts by hand.

An electronic control system for controlling movement of a work machine is disclosed. The control system may include a first and a second joystick, each of the first and second joysticks configured to move between a neutral and an operational position. Moreover a first and second resistive device may be operatively coupled to the first and second joysticks respectively. The first and second resistive devices may be configured to generate a resistive force to selectively retain the first and second joysticks in the operational position. Additionally, the control system may include a controller in communication with the first and second joysticks and the first and second resistive devices. The controller may transmit a first and second resistive force signal to activate one of the first and second resistive devices to generate the resistive force such that one of the first and second joysticks is retained in the operational position.

A lighting control console for controlling a lighting system, wherein digital adjusting commands are generated in the lighting control console that can be transmitted to the lighting system via data links. At least one dual encoder is provided in the control panel of the lighting control console which allows users to enter input values. The dual encoder includes a first shaft and a second shaft rotatably mounted in a housing, first and second locking mechanisms for locking different rotational positions of the first and second shafts, and at least one first and at least one second rotation signal generator for generating a data signal showing a switchover between two locking positions. Both shafts include actuating elements at which adjusting movements can be transmitted onto the shafts by hand.

A lighting control console for controlling a lighting system, wherein digital adjusting commands are generated in the lighting control console that can be transmitted to the lighting system via data links. At least one dual encoder is provided in the control panel of the lighting control console which allows users to enter input values. The dual encoder includes a first shaft and a second shaft rotatably mounted in a housing, first and second locking mechanisms for locking different rotational positions of the first and second shafts, and at least one first and at least one second rotation signal generator for generating a data signal showing a switchover between two locking positions. Both shafts include actuating elements at which adjusting movements can be transmitted onto the shafts by hand.

The invention relates to an activation device (1) for a parking brake with a parking brake lever (2) swivel-mounted on a bearing block (3) and with a blocking device comprised of a pawl (13) on the parking brake lever (2) and a locking segment (12) on the bearing block (3). The parking brake lever (2) is fixed in place in a swivel position via the engagement of the pawl (13) with the locking segment (12). The swivel position of the parking brake lever (2) is transmitted via a transmission element to the parking brake and with a transfer device in or on the parking brake lever (2). The engagement of the pawl (13) with the locking segment (12) is released by actuating the transfer device. To form a swivel bearing, a shaft is provided to which a holder (7) for the transmission element and the parking brake lever (2) can be affixed in different rotational positions. As an alternative, or in addition, a linear movement of the pawl (13) is brought about by means of the transfer device.

The invention relates to an activation device (1) for a parking brake with a parking brake lever (2) swivel-mounted on a bearing block (3) and with a blocking device comprised of a pawl (13) on the parking brake lever (2) and a locking segment (12) on the bearing block (3). The parking brake lever (2) is fixed in place in a swivel position via the engagement of the pawl (13) with the locking segment (12). The swivel position of the parking brake lever (2) is transmitted via a transmission element to the parking brake and with a transfer device in or on the parking brake lever (2). The engagement of the pawl (13) with the locking segment (12) is released by actuating the transfer device. To form a swivel bearing, a shaft is provided to which a holder (7) for the transmission element and the parking brake lever (2) can be affixed in different rotational positions. As an alternative, or in addition, a linear movement of the pawl (13) is brought about by means of the transfer device.