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| Number | Title | Issue Date |
| 7246712 | Logging carriage with towline-operated grapple A logging system including a yarder, a skyline, a towline, a carriage riding on the skyline, and a grapple depending from the carriage for grabbing logs and carrying them back to a landing. The carriage and grapple are moved along the skyline for positioning the gra... | 07/24/2007 |
| 5097972 | Log skidding carriage A fail-safe log skidding carriage for skyline logging operations utilizes parallel clamp assemblies for engagement of the skyline or dragline in a repeating alternating sequence. The outer ends of a pivoted crank are operably connected to the movable shoe... | 03/24/1992 |
| 4924164 | Software zoning of conveyor control The assembly (10) is a self-propelled conveyor system including a vehicle (12) having wheels (18) and a motor (16) for moving the vehicle (12) along a track (20). The vehicle (12) includes a speed sensor (24) for sensing actual speed of the vehicle (12) a... | 05/08/1990 |
| 4756431 | Radio control aerial automatic carrying system There is a radio control aerial automatic carrying system for carrying an object such as cut woods by a carrying apparatus suspended to a cableway. This system comprises: an aerial main cableway suspended in a desired felling region; drive wheels suspende... | 07/12/1988 |
| 4754886 | Radio control aerial automatic carrying system There is a radio control aerial automatic carrying system for carrying an object by a carrying apparatus suspended to a cableway. This system comprises: an aerial main cableway for suspending the carrying apparatus; running wheels suspended to the aerial ... | 07/05/1988 |
| 4687109 | Radio controlled electric slack puller, brake and battery recharging system An all-electric radio controlled slack pulling, braking and battery recharging system for logging operations on a moutainside is disclosed. Independent battery powered slack pulling and radio and brake electrical systems are provided, together with altern... | 08/18/1987 |
| 4669619 | Device and method for transporting a load by cable A self-driven transporting unit with a magnetic detector which is propelled along a cable by a drive wheel having spokes arranged in two rows forming a V-shape. The cable is magnetized and mounted in a fixed manner. The spoke arrangement enables the drive... | 06/02/1987 |
| 4646924 | Mechanical log yarding carriage The cable carriage is for use with a skyline log yarding system. The carriage runs and is supported on the fixed skyline. One main-haulback cable connected to winch drums at each end moves the carriage back and forth on the skyline. A tagline wound on a t... | 03/03/1987 |
| 4629079 | Transport carriage An improved carriage for use in a skyline logging system simultaneously utilizing more than one load cable wth the same carriage for connecting to and dragging separate "turns" of logs from the area in which they were felled to a landing area next to the ... | 12/16/1986 |
| 4515281 | Radio-controlled skyline carriage A carriage for moving logs along a suspended skyline includes a pair of skyline wheels which rotate as the carriage moves along the skyline to drive a pair of alternately operating pumps which supply hydraulic pressure to a carriage hydraulic system. A fi... | 05/07/1985 |
| 4500004 | Transport carriage An improved carriage for use in a skyline logging system simultaneously utilizing more than one load cable with the same carriage for connecting to and dragging separate "turns" of logs from the area in which they were felled to a landing area next to the... | 02/19/1985 |
| 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 |
| 4453642 | Carriage-mounted skidding line take-up apparatus Apparatus for use in a skyline logging system. A carriage mounted for reversible travel on a skyline is transported by a skidding line connected to a hoisting line which feeds through the carriage for attachment to logs. A tagline is attached at one end t... | 06/12/1984 |
| 4267932 | Skyline logging carriage A carriage is provided for guided movement along a skyline and includes guide structure for supporting a dragline for longitudinal shifting relative to the carriage. A skyline stop is provided for coaction with the carriage to limit downward movement of t... | 05/19/1981 |
| 4267933 | Logging carriage A carriage is provided for guided movement along a skyline and includes guide structure for supporting a dragline for longitudinal shifting relative to the carriage. A skyline stop is provided for coaction with the carriage, a dragline abutment is provide... | 05/19/1981 |
| 4262811 | Log carrier A carriage is described for utilization along a highline for the purpose of guiding a mainline along the highline between a yarder at a landing and an anchor point along an adjacent hillside. The carriage is suspended by freewheeling sheaves on the skylin... | 04/21/1981 |
| 4164289 | Logging carriage A logging carriage is mounted by hinged sheaves for travel along an elevated cable for the conveyance of felled logs to a log unloading site. The carriage is moved in one direction along the elevated cable by an in haul line which is attached at one end t... | 08/14/1979 |
| 4127197 | Dual-purpose skyline log-yarding carriage A skyline log-yarding carriage has three drums including an in-haul drum, a haul-back drum, and a drop line drum, all interconnected for rotation in the same direction at the same time. The carriage also has a drum brake and a cable clamp, the latter for ... | 11/28/1978 |
| 4109799 | Skyline logging carriage A skyline logging carriage wherein the winch drum around which the load line is wound is powered by a fluid motor through a worm gear arrangement which eliminates the need for a separate braking system. The fluid motor is driven by a fluid pump powered by... | 08/29/1978 |
| 3948398 | Self-locking log skidding carriage A self-locking log skidding carriage for skidding logs uphill along a skyline to a powered skidding machine. The carriage includes two freely rotatable sheaves, a first for engaging a taut skyline, and a second for rotatable engagement with a dragline com... | 04/06/1976 |
