A spring element for sliding doors of recreational vehicles, in particular mobile homes or caravans, having a base body on which a strip and a spring arm are formed, wherein the spring arm is at least approximately adjustable about the axis of rotation which is stationary relative to the strip. Furthermore, a sliding door and a recreational vehicle are specified.

To permit wheelchair access, a door assembly of an OEM vehicle may be modified with a replacement door hinge that increases the door swing angle while maintaining clearances between door and a front door assembly, the vehicle body, and a wheelchair ramp installed in the door opening. To preserve the door's OEM closed position, the replacement door hinge (when in the closed position) may match the geometry between the OEM hinge's door and vehicle connection points. Additionally or alternatively, the door assembly may be modified to include a powered door opening assembly comprising a slider block configured with a motor to reciprocate along a width of the door and a connecting rod pivotally coupled between the vehicle and the slider block.

A garage door roller system for preventing damage to a vehicle or a garage door when the garage door is opening or closing. The garage door roller system generally includes a garage door arm which is connected at an upper end thereof to a carriage of a garage door opener. A first end of a connector is connected to the garage door arm, and a second end of the connector is connected to the garage door. One or more rollers are connected to a lower end of the garage door arm, with a portion of the rollers being positioned lower than the lower end of the garage door arm. The rollers are adapted to roll across an obstruction when the garage door is opening or closing to prevent damage to the obstruction as well as the garage door arm.

A barrier operator feature enhancement device is designed to provide one or more features found in modern barrier operator devices and to incorporate those features into a previously installed barrier operator system. To facilitate ease of use, the barrier operator feature enhancement device can communicate with a large variety of barrier operators. Such communication may be wireless or wired, depending on the communication protocol implemented by a particular previously installed barrier operator. To facilitate the ease of installation, the device is designed to configure itself to operate with the communication protocol of the previously installed barrier operator. Once configured to be able to communicate with the previously installed barrier operator, the feature enhancement device works with the barrier operator to provide one or more additional features to enhance the capabilities of the previously installed barrier operator.

A track extender for a sliding door track of an OEM passenger vehicle having a passenger opening, and a door operatively coupled to a sliding mechanism configured to slide along the sliding door track of the OEM vehicle. The sliding door track includes a track channel extending from the passenger opening toward a rear portion of the vehicle, wherein the sliding door track includes a first end located toward the passenger opening and a second end located toward the rear portion of the vehicle. The track extender includes a track extension body located at the second end of the track wherein the track extension body defines an extension channel. The extension channel is aligned with the track to lengthen the track and to extend a travel distance of the sliding mechanism along the track and to increase a width of the passenger opening.

A power boost assembly is disclosed that can be used with a door actuator, such as a door closer. The power boost assembly is structured to store an energy during a first movement of a door and release the stored energy during a second movement of the door. In one form the power boost assembly can be structured as a module that can be added to an existing door and door closer installation. In one form the power boost assembly is used to increase a closing force imparted to a door to ensure a latching event.

A line belt driven retrofittable door opener includes a motor, a drive link, an output link, and at least one flexible link. The at least one flexible link includes at least one flexible line link. The drive link is connected to the motor. The output link is connected to the arm of the door. The at least one flexible link interconnects the drive link with the output link. Wherein, the motor is configured for opening the door by rotating the drive link, which in turn rotates the output link via the at least one flexible link, which in turn rotates the arm, thereby opening the door.

An automated window mechanism having an electric motor attached to a sliding panel of a window configured to open and close the window by moving the sliding panel. The electric motor has a locked state in which the electric motor and sliding panel are stationary. The automated window mechanism also includes a monitor configured to detect an external force applied to the sliding panel while the electric motor is in the locked state. In response to the monitor detecting the external force while the electric motor is in the locked state, the positive lead and the negative lead are grounded, rendering the electric motor an electric brake. A method and system for preventing unwanted movement of an automated window are also disclosed.

A retrofit module configured for use with a door closer having a pinion. The retrofit module generally includes a case, an output shaft, a motor, and a control assembly. The output shaft is rotatably mounted in the case, and is configured for rotational coupling with the pinion. The motor is mounted to the case, and is operable to rotate the output shaft in a door-opening direction. The control assembly is mounted to the case, and is configured to operate the motor to drive the output shaft in the door-opening direction in response to an actuating signal.

An automated window mechanism has an electric motor attached to a sliding panel of a window configured to open and close the window by moving the sliding panel. The electric motor has a locked state in which the electric motor and sliding panel are stationary. The automated window mechanism also includes a monitor configured to detect an external force applied to the sliding panel while the electric motor is in the locked state. In response to the monitor detecting the external force while the electric motor is in the locked state, the positive lead and the negative lead are grounded, rendering the electric motor an electric brake, or the electric motor opposes the external force to prevent unwanted movement of the sliding panel. A method and system for preventing unwanted movement of an automated window are also disclosed.