Abstract:
A folding leaf gate comprising a post hung section hingedly attachable to a gate post and at least one leaf hung section hingedly connected in series with the post hung section by means of one or more section hinges, wherein the folding leaf gate additionally includes a rotating device associated with the or each leaf hung section and sharing a common axis of rotation with the or each section hinge and secured in a static relationship to a leaf hung section whereby rotation of the or each rotating device causes rotation of a leaf hung section about the or each section hinge, and one or more translating devices engaging the or each rotating devices, the one or more translating device being configured, when in use, to translate rotational motion of the post hung section about a gate post to rotation of the one or more rotating devices whereby simultaneously to open a gateway closed by the folding leaf gate and fold the folding leaf gate in two or more.
Abstract:
A multi-strand chain forms a chain drive including at least two chains so that the chain drive may communicate a force when the chain is pushed or pulled. The chains maybe separated or disengage so as to be stored compactly. The chains may be engaged to form the chain drive so that the chain drive is substantially rigid and in a linear orientation, and pivotally connected chain links may not substantially rotate relative to each other and may not be deflected substantially from the linear orientation. The chains may be engaged and disengaged by rotating around sprockets which deliver the force to the chain drive. The chain drive may be utilized as a garage door system for raising or moving laterally a garage door or movable barrier with the chain drive in compression.
Abstract:
Rain sensor arrangement for an operator for a window, said window comprising a frame, a sash pivotable with respect to said frame, and a pane mounted in said sash. The operator is adapted for pivoting said sash between a closed and an open position and vice versa, and said operator is controlled via a control circuitry responsive to input signals from at least a rain sensor. The rain sensor has at least one sensing area arranged so as to be protected against rain by said window, when the sash is in the closed position.
Abstract:
An operating device for a door comprises a door closing device (6, 8, 10) that exerts a first torque on a rotatably journalled shaft (8), said torque via rotation of the shaft in a door closing direction being transferred to a closing torque on the door. An electric motor driven power mechanism comprises a driven gear (22) mounted for rotating, for opening the door, the rotatably journalled shaft (8) in a door opening direction. This power mechanism comprises first means which at manual opening of the door admit free rotation of the shaft (8) with respect to the driven gear (22), and second means for admitting, at need, rotation of the driven gear (22) with respect to the shaft (8) in the door opening direction.
Abstract:
For opening and closing a window or a door into and from a ventilation position a chain operating device is provided, having a first and a second fixture secured on the main frame and the frame, respectively. One fixture is firmly connected with one end of a chain (4) in engagement with a sprocket wheel mounted in the second fixture and which is driven by a rotating driving member. Said one connected fixture is designed as a two-parted coupling fixture comprising a first fixture part (1, 5) connected with the chain (4) and a second fixture part (17 to 19) connected with a frame or main frame structure. Said two fixture parts (1, 5; 17 to 19) have the form of elongated profiles that may be coupled together having individually at one end a stationary locking means (7, 22) and at the other end a releasable locking means (9, 23) so that the stationary locking means on one fixture part may be retained in releasable engagement with the releasable locking means on the second fixture part. Each of the releasable locking means (9, 23) can be switched over between two positions for releasing and retaining, respectively, the corresponding stationary locking means (22, 7).
Abstract:
A chain support mechanism for use with an openable frame component and a method of using such a chain support is provided, where a chain actuator is provided in a housing, the chain actuator including a push-pull chain which chain can bend in one direction only, the housing mounted with its longitudinal extent along one frame component with the chain attached to the openable frame component where the chain actuator may be manipulated to extend or withdraw the chain from the housing, thereby moving the openable frame component, and where the chain support mechanism includes a first arm pivotably fastened to the housing and a second arm pivotably fastened to the openable frame component, where the distal end of the first arm and the distal end of the second arm are pivotably connected by a sliding member, against which sliding member the chain may slide.
Abstract:
Provided are door systems having a plurality of door panels and a frame, the door panels being movable horizontally between an extended position closing an opening in a building structure, and a folded retracted position opening the opening in the building structure. When in the extended position, the door panels interlock with each other forming a barrier to wind, dirt, dust and insects. The frame is movably attached to the building structure and when the door panels are in the extended position, the frame moves and engages the door panels with a sealing member to provide an airtight seal of the opening in the building structure.
Abstract:
Barrier operator systems and methods of operation include a mechanical drive subsystem with a segmented and self-locking rail unit, rail mounting supports, belt and chain drive tensioning, and drive assembly carriage and interface; electronics and software routines for controlling operation of the various barrier operator functions; wall console communicating with the barrier operator; encryption and decryption of access codes; establishment and monitoring of travel limits and barrier speed and force profiles; thermal protection of barrier operator drive motors; and establishment and control of wireless communications from the barrier operator to accessories.
Abstract:
Disclosed are alternate embodiments of various components of a barrier operator system. and methods of operation, including of the mechanical drive subsystem with segmented and self-locking rail unit, rail mounting supports, belt and chain drive tensioning, and drive assembly carriage and interface; the electronics and software routines for controlled operation of the various barrier operator functions; wall console communications with the barrier operator; encryption and decryption of access codes; establishment and monitoring of travel limits and barrier speed and force profiles; thermal protection of barrier operator drive motors; and establishment and control of communications from the barrier operator to accessories by way of a wireless adapter.
Abstract:
A push-pull chain actuator (1) includes a housing with a chain exit/entry opening (4) and a sprocket (9) arranged to engage a push-pull chain (3). The sprocket (9) causes the polygon effect. The actuator includes a first chain guide part (10a) for guiding said push-pull chain (3) around the sprocket (9) and a second chain guide part (lob) for guiding said push-pull chain (3) at the correct angle between the chain exit/entry opening (4) and the sprocket (9). The second chain guide part (10b) is shaped and dimensioned to counteract the polygon effect. Alternatively, the second chain guide part (10b) can be shaped and dimensioned to reduce chain oscillations caused by the rollers (8c) engaging or disengaging the chain exit/entry opening (4) at the end of the second chain guide part (10b).