1
Daniel G Kitt: Chain/wire rope connector assembly for anchor. Skagit Corporation, Robert C Smith, William F Thornton, May 3, 1977: US04020779 (21 worldwide citation)

An anchor-deploying structure and method particularly adapted for anchoring an offshore drilling platform employs the use of an anchor, anchor chain and wire rope combination. Separate reeling and storage means are supplied for the wire rope and anchor chain, the wire rope being carried on and deplo ...


2
Wudtke Donald J: Anchoring system. Skagit Corporation, Smith Robert C, Thornton William F, October 22, 1974: US3842776 (19 worldwide citation)

An anchoring system suitable for an offshore drilling platform is shown in which both wire rope and a length of anchor chain are used. Chain alone becomes too heavy in the lengths needed, and the wire rope used retains substantial residual forces which interfere with proper operation of the anchor u ...


3
Vladimir H Pavlecka, David G McIntyre: Air transport and lifting vehicle. Skagit Corporation, Robert C Smith, September 19, 1978: US04114837 (13 worldwide citation)

An air lifting vehicle includes, inter alia, a main frame containing an engine, a helicopter-type rotor driven by the engine, a rear located propeller which provides torque compensation for the rotor as well as yaw control for the vehicle, and a pilot's cabin. Attached to the frame through a plurali ...


4
Roller Robert L: Dunnage clamp for forklift trucks. Skagit Corporation, August 15, 1972: US3684113 (13 worldwide citation)

An auxiliary fork arrangement is disclosed in connection with forklift trucks for clamping and transporting dunnage simultaneously with the carrying of a load, especially of piles of lumber. Hydraulic actuators are incorporated into the lifting carriage for moving the auxiliary fork members laterall ...


5
Mangold Edward J: Self leveling spreader frame. Skagit Corporation, July 11, 1972: US3675960 (11 worldwide citation)

A sling assembly of four cables which are mounted in rectangular array about four pivot sheaves supports a spreader frame for use in fastening to containers or other loads to be hoisted. A set of two of the cables at one longitudinal end of the spreader frame are secured to a piston rod of a first h ...


6
Maurice J McIntyre: Lift truck with rotatable carriage. Skagit Corporation Sedro Woolley WA, Robert C Smith, Plante Hartz Smith and Thompson, September 5, 1972: US3688929 (7 worldwide citation)

The lift truck described herein includes a front-mounted fork lift carriage supported by a pivot member positioned to one side of its center. To the pivot member is attached a large lift arm supported at its opposite end on a mast at the right rear of the truck chassis, which arm is moved upwardly b ...


7
Chandler William R, Cooper Donald R, Mangold Edward J: Pull-ahead winch control system. Skagit Corporation, Smith Robert C, Thornton William F, July 8, 1975: US3893404 (7 worldwide citation)

A control system is provided for a pull-ahead winch used on a barge which digs a trench on the floor of a body of water and lays pipe in the trench. The trenching device or jet sled is suspended from the barge and is supplied with air and water at considerable force which are used to displace the bo ...


8
Rennie David G: Single line log grapple. Skagit Corporation, October 30, 1973: US3768853 (7 worldwide citation)

A grapple mechanism is disclosed including a housing suspended from a load line, a pair of pivotally connected load-engaging arms attached to the housing, a lift mechanism associated with the housing including a cycling mechanism which controls the pivot position of the load-engaging arms such that, ...


9
Dargitz Larry L, Muhlbeier Arthur J: Constant-tension winch. Skagit Corporation, September 28, 1971: US3608864 (6 worldwide citation)

A winch drum is coupled to an electric motor through a gear train, one section of which constitutes a cable drumline tension sensitive mechanism capable of changing position responsive to changes in cable drumline tension. An automatic tension control mechanism is coupled to the cable drumline tensi ...


10
Rennie David G, McIntyre Maurice J: Log yarding system and method. Skagit Corporation, January 23, 1973: US3712478 (5 worldwide citation)

A system for yarding logs wherein a running skyline is rigged between a yarding tower and an outlying tail block. A suspension carriage rides on the running skyline and receives a two-part main line. A load line attaches to one part of the main line and extends over a load line sheave. The main line ...