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| Number | Title | Issue Date |
| 7975811 | Constant force rail clamp A rail clamp comprises a frame and a pair of levers. Each of the levers has a brake pad at a first end thereof, a cam follower at second end thereof, and is mounted to the frame by a pivot disposed between said first and second ends. A cam is disposed between the le... | 07/12/2011 |
| 7392887 | Bladder actuator for a railroad retarder The present invention pertains to a low-maintenance bladder actuator for a low-profile railroad retarder. The actuator has an internal guide mechanism and internal limit stops. The guide mechanism has a concentric, telescoping guide rod and guide sleeve that are rem... | 07/01/2008 |
| 7243563 | Friction applying apparatus and linear guide apparatus having the same A friction applying apparatus and a linear guide apparatus having the same, according to the present invention can uniformly contact allover contacting faces of sliding members to the contacted members so as to reduce abrasion in the sliding members and the contacte... | 07/17/2007 |
| 7131517 | Gradual catch system for a bidirectional safety device A bi-directional safety mechanism used in an elevator safety device and which produces a gradual catch on a guide rail. The bi-directional safety device has a roller and two hinged rectangular frames, each having a friction element. One hinged rectangular frame is d... | 11/07/2006 |
| 7124861 | Motion control apparatus A brake (10) having application for a linear or rotational motion device includes a housing (120) in which a first piston (140), a wedge (142) and a second piston (144) cooperate to engage a friction facing (136) through a p... | 10/24/2006 |
| 7029214 | Linear guide apparatus There is provided a linear guide apparatus which, owing to the use of a gap-free braking device in a rolling guide, has a sufficiently high damping capacity. The linear guide apparatus for guiding a linear motion of a movable body along a guide rail on a fixed struc... | 04/18/2006 |
| 6915881 | Linear drive A linear drive comprising a housing and a rail, which is mounted on the housing such that they can move relatively. Drive elements on the housing and on the rail to produce relative movement between the housing and the rail. The housing has a braking device to inter... | 07/12/2005 |
| 6629584 | Clamping and/or braking device A clamping and/or braking device with a basic body (3) has a clamping and/or braking region for pressurizing an element (9). Basic body (3) has an actuating mechanism which, upon actuation, causes a substantially elastic deformation of the basic body (3),... | 10/07/2003 |
| 6578677 | Braking device of linear guide A braking device of a linear guide comprises a braking slide seat which is mounted on the guide. The braking slide seat is provided with a braking rod which is provided in the mid-segment with an insertion slot having a tapered bevel and in the rear end w... | 06/17/2003 |
| 6561049 | Linear guide apparatus The linear guide apparatus includes a guide rail 3 including a rolling body rolling groove 8 and a friction apply unit 6 assembled to the guide rail 3. The friction apply unit 6 includes a unit main body 15, a brake member 16, an oil pressure cylinder 17 ... | 05/13/2003 |
| 6354406 | Safety arrangement for a cable-supported component of a medical device In a safety arrangement of a cable-supported component of a medical device that can be adjusted via a cart at a column, a force acts on the cable via at least one clamping lever that is adjustably supported at the cart, and the cart is free for purposes o... | 03/12/2002 |
| 6336528 | Braking device for a linear drive A brake device for a linear guide comprising a carrier body (1) which is movable on a guide rail (2) and incorporates brake shoes (10) which act on the guide rail (2), and a brake piston (8) which is arranged for displacement by a pressure medium in a bra... | 01/08/2002 |
| 6227336 | Linear guide A linear guide having a carrier body that can be moved along a guide track is provided having a brake device with brake shoes acting upon the guide track and a piston which is located in a pressure chamber which can be displaced by a pressure medium in th... | 05/08/2001 |
| 6220400 | Railway car retarder A low-profile railway car retarder system comprising a fulcrum pin, an upper and a lower lever, and two braking assemblies, is disclosed. The levers are located beneath a horizontal plan drawn from the top of the rail, thereby preventing inadvertent conta... | 04/24/2001 |
| 6155176 | Racing amusement ride A racing-type amusement ride utilizes a self-propelled vehicle which has guide wheels to move along a track having a beginning end, a finish end, a first lateral side, a second lateral side, a top, a rail along which a guide wheel of the self-propelled ve... | 12/05/2000 |
| 6053287 | Linear drive for transportation equipment An apparatus for moving a car along a travel path along guide rails includes a linear drive having a fixed first platform attached to the car and connected by springs with a movable second platform. Holding-units are attached to both platforms for engagin... | 04/25/2000 |
| 5950768 | Elevator speed regulating safety equipment Safety equipment, in the form of an arresting device with triggering equipment for an elevator cage, which runs in rail guides and is for the conveying of persons and/or goods, which safety equipment stops the elevator cage when the permissible speed of t... | 09/14/1999 |
| 5816167 | Playground carriage In accordance with the present invention, a playground carriage (10) is provided for moving people (100) from one play area to another. The playground carriage comprises a rotatable support pipe (12) having a first end (14) and a second end (16). The supp... | 10/06/1998 |
| 5785155 | Linear motion clamping unit The present invention provides a linear motion clamping unit capable of reliably holding the casing unit at an arbitrary position on the track rail with a small force. In this linear motion clamping unit, when the actuators are deenergized, the rollers ar... | 07/28/1998 |
| 5246081 | Method and apparatus for semitrailer transfer Method for loading and unloading semitrailers on a train of flat cars by coupling the semitrailers to power driven stanchions respectively, providing the power driven stanchions with automatic control in the form of proximity sensors for governing movemen... | 09/21/1993 |
| 5180036 | Cam operated rail clamping device This invention is a cam operated rail clamping device for preventing movement of a structure on a rail comprising a base, a vertically disposed post secured to and projecting upwardly from the base, a tube rotatably and slidably mounted on the post, an ai... | 01/19/1993 |
| 5176228 | Brake assembly for strip feeding drive A self-containing brake assembly adapted to be mounted on a strip feeding device to apply an adjustable frictionally braking force to the strip includes a first braking element mountable upon a feed table. A second braking element having spaced opposed we... | 01/05/1993 |
| 5121695 | Overhead cableway An overhead cableway is disclosed, in particular a chair lift, with a cable revolving between stations and with transport devices having a traveling gear and connected with the cable via removable clamps. Travel segments are provided at every station whic... | 06/16/1992 |
| 5096020 | Elevator safety apparatus An elevator safety apparatus is disclosed which is designed to be mounted on an elevator car, which car moves along guide rails; said apparatus comprising a frame, an area for wedge housings formed in the frame, and wedges placed in the wedge housings on ... | 03/17/1992 |
| 5014828 | Electromagnetic brake with clamping jaws The electromagnetic brake comprises an electromagnet and a movable armature attracted by this electromagnet when the latter is energized and separated from the latter by spring means when the electromagnet is not energized. The electromagnet and the armat... | 05/14/1991 |
| 4961241 | Brake for rail dock leveler A brake mechanism for a vertically storing dock leveler mounted on a carriage for lateral movement on rails relative to a dock surface. The brake is automatically actuated by means of an arm that bears against the leveler. When the leveler is lowered the ... | 10/09/1990 |
| 4926982 | Braking device in an arrangement for linear movement A braking device in an arrangement for linear movement comprising an elongated part and a part movable in relation thereto. Along substantially the entire stroke of the movable part of a piston there is at least one first braking surface movably arranged ... | 05/22/1990 |
| 4819765 | Arrester device for elevators An arrester device, e.g. for an elevator cage or counterweight, has a wedge housing, an active wedge acting on one side of an elevator guide and activated by a separate transmission member, such as a rope, and a counterwedge acting on the elevator guide f... | 04/11/1989 |
| 4615515 | Precise movement device A precise movement device of the type for guiding a movable member with hydrostatic pressure or a magnetic field and moving the movable member substantially without a friction. The device includes a mechanism for supporting the movable member by the use o... | 10/07/1986 |
| 4535701 | Device for slowing down and stopping machines rolling on rails The device comprises a body (1) for placing on a rail (R) for the purpose of receiving a wheel of a machine to be slowed down and stopped and forming an abutment for the wheel, and an arrangement for connecting the device to the rail. The connecting arran... | 08/20/1985 |
| 4461215 | Transporting system for robot A transporting system for a robot comprises a self-propelled wheeled platform which travels along a pair of tracks which establish a path between a series of spaced work stations. Accurate positioning of the platform at the work stations is achieved by a ... | 07/24/1984 |
| 4456131 | Remote controlled line locking, slack pulling cable logging carriage A remote controlled slack pulling log skidding carriage is provided for feeding a slack drag line toward a log to be skidded. A drive sheave rotatably mounted in the carriage is operated by a hydraulic motor. The fluid to operate the motor is stored in on... | 06/26/1984 |
| 4397439 | Brake assembly for dental tray support arm A fluid actuated brake assembly for use with a parallelogram linkage on a dental tray support arm is described. Floating brake shoes positioned on opposite sides of one member of the parallelogram linkage with one of the brake shoes pivotably and slideabl... | 08/09/1983 |
| 4377220 | Automatic rail clamp An automatic rail clamp is provided with an indicator for visibly showing the extent of wear of the replaceable clamping jaw inserts together with a fulcrum shaft having opposed eccentrics about which the jaws rock. As wear of the inserts develops, rotati... | 03/22/1983 |
| 4373613 | Vehicle brake equipment Brake equipment is provided for a vehicle adapted to travel along a path adjacent to an elongated stationary rail the brake equipment comprising a resiliently applied brake member arranged to abut one side of the stationary rail and a pivotally mounted re... | 02/15/1983 |
| 4361210 | Lock or braking mechanism For mechanism for releasably locking or braking an elongate element and associated structure comprises mechanism including a member adapted to be mounted on the associated structure and providing clutching surface means engageable with one side of the elo... | 11/30/1982 |
| 4308937 | Self-aligning clamping apparatus Disclosed herein are novel imporvements in a clamping apparatus adapted to grip the sides of a clamped member and, more specifically, the sides of rails such as those used for cranes and railroads. The clamping apparatus includes a frame adapted for prima... | 01/05/1982 |
| 4241811 | Brake mechanism for a gondola car loader The present disclosure relates to a brake mechanism, particularly useful on a vehicle which travels on the upper side wall edges of gondola cars. The brake mechanism includes a brake shoe rack which carries two pairs of brake shoes, one pair of brake shoe... | 12/30/1980 |
| 4236454 | Mountain monorail slide A guideway gravity vehicle combination designed for recreational use on hills and mountains consisting of a wheeled, stabilized vehicle riding on a monorail which extends from the top to the bottom of a downwardly inclined slope. The rider controls the ve... | 12/02/1980 |
| 4236608 | Compact caliper brake Caliper brake particularly for installation in locations where there is insufficient space for conventional caliper brakes of similar capacity, and also adapted to accommodate lateral shifting of the brake shoes due to deviating braking surfaces. Brake ha... | 12/02/1980 |
