Abstract:
A resistance mechanism suitable for applications such as resistance exercise equipment, cable reels, garage doors and other equipment requiring a resistive force. Resistance packs (26) include circular rims (28) and central hubs (30) connected by deformable spokes (32). The packs (26) are stacked in pairs with the rims (28) in each pair pinned together and the hubs (30) ratatable relative to one another. Each hub has a spline (34) connection with the hub of the next resistance pack in the adjacent pair. This provides a series arrangement of the resistance packs (26) which allows a long extension of the actuator with the spokes (32) of each pack being deformed only slightly. A spiral pay out pulley for the cord assists in avoiding varying resistance with extersion of the cord. The mechanism includes a preload system for applying a preload force to the resistance packs and a visual indicator for indicating the level of the preload force. An alternative construction involves forming the resistance packs in a single base having a pair of the resistance devices housed together. The devices may include arms connected by peripheral portions to provide loops that are looped around walls on the base to avoid a need for a bonded connection of the arms to the rims.
Abstract:
The invention relates to an emergency opening device for a preferably automatic two-panel sliding door having an energy storage element embodied by a rubber belt (6). Said rubber belt (6) is on one side irremovably fixed in a support (9) and on the other side removably fixed to a holding device (7) by means of a slide (8). During normal operation of the sliding door the pretensed rubber belt (6) has no effect. The holding device (7) releases the slide (8) with the rubber belt only in an emergency, such as a fire or power failure. The slide (8) interacts with the pulley carriages (5b) of the sliding door and by means of the energy stored in the rubber belt (6) moves the sliding panels (1a, 1b) into the fully opened position. To prevent a sudden, severe impact of the slide (8) against the pulley carriage (5b) the slide (8) comprises a friction brake (82, 83, 84). This brake (82, 83, 84) is released by a control device (56) only after the slide has contacted the pulley carriage (5b) so that the entire energy stored in the rubber belt (6) is then able to act upon the pulley carriage (5b). When the emergency is over the rubber belt (6) is tensed during the first closure of the sliding door by the movement of the pulley carriage (5b) and again fixed to the holding device (7).
Abstract:
To monitor the movement of a driven door on its movement path and to control this movement in a very sensitive manner by disconnecting or reversing the drive when obstacles are present, the true characteristics of the movement of the door as a function of its movement path are constantly detected for each successive cyclic movement of the door which is detected. The signals thus obtained are compared with a function which is continually interrogated for each movement monitored. This function is recorded and memorized depending on the door movement to be monitored before it operates in order to ensure normal and obstacle-free operation.
Abstract:
PROBLEM TO BE SOLVED: To provide a folding door that can be easily and steadily opened and closed through hand operation without a grip.SOLUTION: A folding door A comprises two door panels 2 and 3 that are bendably connected. An opening and closing device comprises a stationary metal fitting 11 and a rotary metal fitting 12, which are pivotally fixed to each other at base ends and energized with a spring 13 toward a spreading direction. The metal fitting 11 is fixed to an upper end of a back face of the one door panel 2, and a support pin projecting at an end of the rotary metal fitting 12 is slidably fitted in an guide rail 6a at an upper side of a door frame 1. In a closing state of the folding door A, a locking pin 21 is engaged to an engaging groove 24 of a protrusive piece 23 projecting at the end of the rotary metal fitting 12 to keep a locking state. The lock is released when a surface of the folding door A is lightly pressed, allowing the door panels 2 and 3 to be bent with restoration force of the spring 13 to spread the stationary metal fitting 11 and the rotary metal fitting 12, so that the door frame 1 is released.
Abstract:
The present invention provides a new sliding assembly for a sliding closure. The present invention is constructed of two metal profiles mounted on each side wall of sliding closure and guiding bars for sliding on said rail. The profiles design includes a rail which length, is adjusted to the sliding closure height. The lower sliding bar is attached to a roller, which slides along the lower track of the closure. The second sliding bar is attached to the guiding bar for sliding along the upper track of the closure. An elastic stretching means connects between the lower sliding bar and the profile.
Abstract:
PROBLEM TO BE SOLVED: To provide a cable guide which is simple in structure and easy to assemble. SOLUTION: The cable guide is provided for turning around an inner cable for operating a slide door of a chassis, and is formed of: a pulley case which is box-shaped, and has an upper opening and a guide groove formed in a bottom surface thereof; a slider which includes a sliding plate freely slidably guided in the guide groove of the pulley case, and a shaft extending upward from an upper surface of the sliding plate; a pulley which is pivotally supported on a shaft of the slider; an energizing member which energizes the slider in a direction that eliminates slack of the inner cable along the guide groove; and a case cover which blocks the opening of the pulley case. Herein a lower surface of the case cover and an upper end face of the shaft are slidable on each other. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
The present invention provides a new sliding assembly for a sliding closure. The present invention is constructed of two metal profiles mounted on each side wall of sliding closure and guiding bars for sliding on said rail. The profiles design includes a rail which length, is adjusted to the sliding closure height. The lower sliding bar is attached to a roller, which slides along the lower track of the closure. The second sliding bar is attached to the guiding bar for sliding along the upper track of the closure. An elastic stretching means connects between the lower sliding bar and the profile.