A plant shield assembly includes an elongated shield having a first door operably connected to a second door and both doors are pivotally connected to the vehicle and movable between an open position and a closed position. The plant shield assembly includes a door opening mechanism operably attached to the elongated shield and configured to move the first and the second doors. The plant shield assembly includes a linkage assembly that connects the elongated shield with the door opening mechanism, and limits the extent of rotation of the doors. The door opening mechanism and linkage assembly are positioned between the elongated shield and the vehicle. The door opening mechanism can be a handle attached to the elongated shield. Optionally, the plant shield assembly includes an access door that is disposed between an open position to enable actuation of the handle and a closed position to block actuation of the handle.

A door pusher for a multi-rail sliding door is described. An example door pusher includes (i) a mounting portion secured to the at least one stile of the a sliding door panel using a fastener aligned with a sliding direction of the sliding door panel, and (ii) a bumper portion configured to contact an edge of an adjacent sliding door panel.

A door pusher for a multi-rail sliding door is described. An example door pusher includes (i) a mounting portion secured to the at least one stile of the a sliding door panel using a fastener aligned with a sliding direction of the sliding door panel, and (ii) a bumper portion configured to contact an edge of an adjacent sliding door panel.

A door actuation system may include an actuation device to move a first door leaf and a second door leaf between an open and a closed position. The actuation device may provide an open preload force in the open position. The actuation device may provide a closed preload force in the closed position. The system may include one or more of: a first engagement member that may contact the actuation device and may allow movement of the actuation device to adjust the open and closed preload force; or the actuation device may be coupled with the first door leaf by a first rod and the second door leaf by a second rod, at least one of the first or second rod may adjust a length of the first or second rod to maintain the open preload force in the open position and the closed preload force in the closed position.

A sliding door system includes a sliding door having a first door leaf, a second door leaf and a pivoting mechanism, and a housing for installing into a building wall. The sliding door mounted in the housing is displaceable beyond opposed first and second door openings of the housing. The pivoting mechanism converts a displacement movement of the sliding door into a pivoting movement of the first and second door leaves so that the first and second door leaves expose the first and second door openings respectively in a first position of the sliding door and close the openings in a second position of the sliding door. Deactivating the pivoting mechanism allows the sliding door to be moved beyond the door openings into a third position to service a component of the sliding door and/or to remove the sliding door the first and/or second door opening.

An apparatus for controlling bus doors (14, 16) that are arranged as a pair of doors that move in coordinated relation between door open positions and door closed positions, enables passengers to access an interior area (12) of a bus (10). The apparatus includes an actuator (28, 226). The actuator includes a drive lever (34, 228) that is selectively rotationally movable between rotational positions in which both of the doors are in the open positions and in the closed positions. Exemplary arrangements include at least one controller (128) that is operative to prevent the doors from causing damage to or from being damaged by engagement with obstructions. The controller further enables a bus driver or other authorized user to control access to the interior area of the bus using a user mobile device (144).

A control system for a shutter is disclosed. The shutter includes a force-bearing mechanism and a plurality of slats. The control system includes a power source, a driving device connected to the power source to output a first driving force, which drives the force-bearing mechanism to rotate the slats, and a clutch mechanism, which includes an input member and an output member which are drivable to be connected together for synchronous operation, or to be mutually disconnected for independent operation. When the driving device outputs the first driving force, the input member is engaged with the output member, and the first driving force can be transmitted to the force-bearing mechanism through the clutch mechanism to rotate the slats. When the driving device stops, the input member is disengaged from the output member, and the slats and the force-bearing mechanism are rotatable relative to the driving device.

The present application provides a safety gate apparatus which is configured to receive the delivery of goods by way of fork lift therethrough while simultaneously preventing falls and injury. A version of the safety gate apparatus comprises a first and second support structures which are laterally disposed defining a delivery space therebetween for ingress and egress of the forks of the fork lift, and a moveable gate assembly supported by the first and second support structures moveable between a closed, default position and an open position.

The present application provides a safety gate apparatus which is configured to receive the delivery of goods by way of fork lift therethrough while simultaneously preventing falls and injury. A version of the safety gate apparatus comprises a first and second support structures which are laterally disposed defining a delivery space therebetween for ingress and egress of the forks of the fork lift, and a moveable gate assembly supported by the first and second support structures moveable between a closed, default position and an open position.

A system for transferring torque with zero lash from a driver to a driven object is provided. The system includes a shaft disposed about a rotational axis and a hub defining a bore that receives the shaft. The shaft and hub are each configured for coupling to one of the driver and driven object. The shaft defines a flat on a radially outer surface and the hub defines a flat on a radially inner surface opposing the flat in the shaft. In one embodiment, the shaft includes a threaded bore and the hub includes an aligned through bore. Rotation of a threaded fastener in the bores draws the flat into engagement. In another embodiment, the hub includes a threaded through bore. Rotation of a fastener extending through the bore and engaging the shaft diametrically opposite the flats urges the flats into engagement.