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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 7117800 | Overhead material handling system and track block A material handling system (100) and method (200) for isolating a carrier mechanism (110) from the system. The system (100) comprises a track (103) having a channel (105), a turntable (115), and a carrier mechanism ( | 10/10/2006 |
| 6308638 | Wheel stop for an overhead vehicle A wheel stop for an overhead rail vehicle includes a wheel block assembly pivotably fastened to a clamping assembly. The wheel block assembly is provided with an actuator connector positioned such that a downward force on the wheel block assembly tends to... | 10/30/2001 |
| 5417486 | Brake wedge for rail mounted cabinets A brake wedge for rail-mounted cabinets which allows the movement of the cabinets to be automatically or manually prevented. The cabinet includes a number of wheels which are guided by floor-supported rails. The brake wedge has a curved profile and is ope... | 05/23/1995 |
| 5408934 | Non-conductive wheel chock An electrically non-conductive wheel chock for restraining the movement of a wheel which contains a body, an arm attached to the body extending outwardly and upwardly from the body, and a device for preventing the movement of the wheel check upon the rail... | 04/25/1995 |
| 4886285 | Transporter with wheels Underneath a load, on both sides, there are several transporter frames with transporter blocks for wheels. The wheels travel on tracks or rails, on which they are guided with wheel flanges or guide rollers. Each transporter frame has a vertical, U-shaped ... | 12/12/1989 |
| 4526499 | Rail lock An improved rail lock for the meat transportation industry has a pair of legs which extend below the rail. The inner surface of one of the legs is substantially flush against a side of the rail. A first clamping means is carried by the other leg and bears... | 07/02/1985 |
| 4498561 | Retractable wheel chock for railway wagons A retractable wheel chock assembly for railway wagons comprises the combination of a wheel chock (12) designed to act on the flange of a wagon wheel, and a friction brake (36) attached to the wheel chock and sliding along a guide rail (3) mounted just out... | 02/12/1985 |
| 4480723 | Marshalling yard retarder In a retarder system for railway wagons, a retarder device which includes a rotatable cylinder resiliently urged into a working position adjacent a rail and provided with a flange with a helical contact surface. The flange of a railway wagon wheel which p... | 11/06/1984 |
| 3944174 | Derail wheel crowder A wheel crowder for mounting on a rail opposite a conventional derail for cooperation with the latter whereby the wheel crowder engages a wheel of a railcar or locomotive and forces the same toward the derail thereby assuring that the opposite wheel will ... | 03/16/1976 |
| 3938629 | Railway track brake A railway track brake comprising a series of segments connected together in pairs and installed transversely between the rails of the track, each segment including a top beam with a shaft rotatably installed inside the top beam and provided at its ends wi... | 02/17/1976 |
