Abstract:
Die vorliegende Erfindung betrifft ein Merkhilfe Gerät, das mit einer Mehrzahl elastischer Stifte (200) versehen ist, die in Öffnungen eines Gehäuses (100) von Hand so verschiebbar sind, dass jeweils einer der beiden Stiftköpfe (201) über die Oberfläche des Gehäuses übersteht, während der jeweils andere Stiftkopf im Gehäuse verbleibt. Jeder Stitfkopf ist mit einer Verbindungsfläche (203) verbunden. Die Verbindungsflächen sind jeweils mit zwei Wulstlaschen (204) verbunden, zwischen denen ein Spalt (205) vorgesehen ist. Vor dem Einbringen der Stifte (200) in das Gehäuse (100) sind die Außenflächen der beiden Wulstlaschen konkav nach Art eines langgestreckten Ellipsoids angeformt, wobei ihr größter Durchmesser etwas größer ist als der Durchmesser der Offnungen des Gehäuses. Nach dem Einbringen der Stifte in die Öffnungen des Gehäuses liegen jeweils die Außenflächen der Wulstlaschen infolge Ihrer Elastizität als Anpressflächen (206) an der Wand der betreffenden Öffnung an, so dass die Stifte geräuschlos hin und her bewegbar sind. Die Stifte (200) bestehen aus spritzgussfähigem Kunststoff.
Abstract:
A heavy door open and close system is provided using a pneumatic cylinder utilizing on board vehicle air. The system includes a hydraulic cylinder which is adapted to lock the door in either an open or closed position. A manual activation system uses a hydraulic valve to unlock the hydraulic cylinder and a pneumatic valve to actuate the pneumatic cylinder to open or close the door. An emergency pneumatic actuation system is also provided for use when the system loses the use of on board air of the vehicle.
Abstract:
A folding leaf gate (1) is formed by a post hung section (2) hingedly mounted on a gate post (4) and a one leaf section (3) hingedly mounted in concertina fashion to the post hung section (2). A first hydraulic rod and piston arrangement (8) rotates the post hung section (2) and a second hydraulic rod and piston arrangement (15) rotates the leaf section (3) by means of a link chain (20), which is driven linearly by the second hydraulic rod and piston arrangement (15) and which causes rotation of the leaf section (3).
Abstract:
Disclosed is an emergency system for opening motor vehicle doors, especially doors that remain mechanically jammed following an accident. Said emergency system comprises a pneumatic energy accumulator/pneumatic energy accumulators (1) which is/are used as (an) executing element(s) for opening the door(s). Said energy accumulator (1) is fed by a pyrotechnic shell (2) or pyrotechnic shells (2, 3) that is/are controlled by means of an electronic detonation control system (8). The signal for the first detonation of the pyrotechnic shell (2) is supplied to the system (8) by a set of sensors (5, 6, 7) while the signal for the second detonation of the pyrotechnic shell (3) is supplied by a pressure transducer (9). The energy accumulator (1) is reset by means of an electrovalve (10).
Abstract:
The sliding door is associated with a carriage or support (5) by a telescopic guide, which extends parallel to the door and can be displaced on transversal guides (4) when it is actuated by a pneumatic piston (12) determining two positions of said carriage (5): a retracting position corresponding to the embedding of the door and an outward projecting position in which the door is also projected outward so that it can be displaced longitudinally towards the opening position. A linear motor (14) is mounted on the carriage-support (5) whose output is coupled to the door by means of an appropriate transmission to transmit its longitudinal movement to the door. The door thus describes an angular and straight trajectory, i.e. with an open segment of the door parallel to its own plane and a second segment perpendicular to the first segment and corresponding to the position of embedding.
Abstract:
An automatic revolving door drive with a hydraulic piston-cylinder unit (7, 8), a closing spring (10) and an opening motor consists of an electromotor (5) and a hydraulic pump (4). The invention deals with a so-called servo-closer that opens a door in a mechanical and assisted manner and automatically closes the door in an hydraulically dampened manner by means of the closing spring. In order to be able to use low-power opening motors and to implement a relatively small design, the pressure of the hydraulic medium is regulated when the door is mechanically opened so as to be adapted to the momentary force of the closing spring (10). For that purpose, the closing spring (10) which co-operates with the piston (7) is supported at one end on the piston (7) and at the other end on a hydraulic pressure pad (25). The same hydraulic pressure is set in the pressure chamber (12) and in the hydraulic pressure pad (25) by a special pressure-regulating valve (20).
Abstract:
A fume-extraction flap opening and closing mechanism comprising a vertically fixed beam (5) with a joke (6), provided on its upper end that is in pivot joint with one end of the tie rod (18), connected to the clamping ring (19) of the lower end of actuator (15), whereas the lower end of said beam is in pivot joint with one end of the lever (VV), the other end of which is in pivot joint with the end of actuator (15), whereas the upper end of the beam (5) holds the fixed part (8) of the lock (9), while its movable part (25) is connected, together with the end of actuator rod (22) of said actuator (15), with one end of movable connector (23), the other end of which is in pivot joint with holder (27) mounted to the frame (28) of the fume-extraction flap (3). Moreover, said mechanism is provided with at least one blocking cord (33) with one of its ends connected to the holder (29) mounted on said frame (28) of said fume-extraction flap (3), and the other end connected to the holder (30) of said frame (1) of said roof port (2).
Abstract:
A fume-extraction flap opening and closing mechanism of the invention comprises a rocking lever (7) with horizontal beam (6) in pivot joint with the element (4) of the frame (1) of the roof port (2) and two gas springs (10) and (15), the lower end of one gas spring (10) being in pivot joint with the other end of said horizontal beam (6) and its upper end being in pivot joint with the holder (12) mounted on the frame (13) of the fume-extraction flap (3), whereas the gas spring (15) is in pivot joint with the upper end of vertical beam (8) of the rocking lever (7) and its lower end is in pivot joint with the holder (17) mounted on the lower part of the frame (1), whereas the latter holder is connected also with one end of the tensioning spring (18), the other end of which is connected with the lower end of the (limiting) stop (19). Moreover, the middle part of the frame (13) of the fume-extraction flap (3) and the upper part of the frame (1) of the roof port (2) are provided with holders (22) and (24) connected with each other with at least one blocking cord (27).
Abstract:
An unlock mechanism for a rotary door operator of a transit vehicle includes a pivotally disposed unlock member adapted for rotating a lock member into an unlock position and activating a valve for discharging the fluid pressure from the drive cylinder to enable manual opening of the door. A spring is provided for biasing the unlock member to a non-activated position. The unlock member may be activated either with a cable or a lever handle. A lock sensing switch provides a feedback on the lock condition to the transit vehicle control system. Additionally, a guiding bracket is provided for securing the cable in proximity of the unlock member.
Abstract:
Die Erfindung richtet sich auf einen hydraulischen Drehflügelantrieb mit einem Türschlieβer (1) mit einem exzentrisch gelagerten, eine kreisrunde Wälzkurve aufweisenden Ritzel (6), welches mti einer am Kolben (4) angeordneten Zahnstange (5) kämmt, wobei eine besondere Ausgestaltung der Wälzkurve und der Zähne (9) der Zahnstange (5) in Anpassung an eine Evolventenverzahnung des Ritzels (6) erfolgt. Zur Erzielung eines optimalen Bewegungsablaufes des Kolbens (4) im Gehäuse (2) des Türschliesssers (1) ist eine verbessernde Ausgestaltung der Schliessverzögerung vorgesehen.