| Patent Number |
Title Of Patent |
Date Issued |
| RE30881 |
Winch |
March 16, 1982 |
| A manually powered multi-speed winch has an automatic drive disengagement upon drive reversal which is provided by an axially movable member in one drive train which in a first axial position is engageable for drive transmission through a pawl and ratchet unidirectional drive means. The |
| 6042086 |
Multi-speed winch having epicyclic gear drive |
March 28, 2000 |
| A winch having one orbital gear or one set of orbital gears to transmit drive from a drive shaft to a drum in which the orbital gear or a gear of the set of orbital gears transmits drive to the drum at different drive ratios from the drive shaft in accordance with the direction of rotati |
| 6029952 |
Multi-speed winch having speed selection mechanism |
February 29, 2000 |
| A single mechanism mounted at the head of a winch has a double-selector function, allowing either 1st or 2nd ratio of drive to a drum to be selected upon initial rotation of the drive shaft. The mechanism is mounted coaxially with the drum and shaft and has coaxial inner and outer co |
| 6019353 |
Winch having a multiple diameter drum |
February 1, 2000 |
| A winch has two portions of respectively different diameters. A ridge between them permits line to be flipped from the larger diameter portion to the other. Surface treatments of the two portions may be different, with that on the larger diameter portion being less aggressive than that |
| 5927692 |
Winch with epicyclic final reduction gear drive |
July 27, 1999 |
| A winch has a final epicyclic reduction drive to its drum. The planetary gearing of the drive is borne in a web of the drum. Input to the final drive is via a ring driven either directly from a drive shaft or via reduction drive trains spaced axially from the final drive in the base of |
| 5897105 |
Winch |
April 27, 1999 |
| Planetary gears of an epicyclic drive train of a winch which drive a drum of the winch through a carrier which is at all times constrained to rotate with the drum, are used to keep a feeder/stripper arm of a self-tailing channel of a winch from rotating, by engagement between secondary g |
| 5538224 |
Line-handling block comprising two cheeks having bayonet mating interconnection |
July 23, 1996 |
| A block for line-handling comprises two cheeks and a rotatable sheave sandwiched between the two cheeks. The two cheeks mate together through a central aperture of the sheave by a relative rotation of the cheeks via a bayonet fitting. The mated cheeks are secured to each other by fixing |
| 5301390 |
Hinge mechanism for panels |
April 12, 1994 |
| A hinge assembly for counter-balancing a panel e.g. a hatch cover of a boat when the latter is rotated about a horizontal axis has levers pivotally attached to the panel, to the deck and to each other, with a torsion spring arranged coaxially on the pivot between the two levers. Also at |
| 5279020 |
Rope clutch |
January 18, 1994 |
| A rope clutch having a plurality of apertured pivoted plates which grip or release a rope passing through their apertures according to the angle they make to the rope, has a mechanism for initiating release of the rope which includes a variable toggle linkage. |
| 4898364 |
Two-speed winch |
February 6, 1990 |
| A manually powered winch has two geared drive trains. Both originate from a simple set of gear teeth (7) formed into the diameter of a drive input shaft (5). The final drive, common to both gear trains, to an internal gear track (18) on the drum (3) of the winch is one part (12) of a |
| 4892291 |
Two-speed winch |
January 9, 1990 |
| A manually powered winch has two geared drive trains. Both originate from a simple set of gear teeth (7) formed into the diameter of a drive input shaft (5). The final drive, common to both gear trains, to an internal gear track (18) on the drum (3) of the winch is one part (12) of a |
| 4725043 |
Winch |
February 16, 1988 |
| A winch has four drive trains of progressively increasing mechanical advantage between its drive shaft (3) and drum (8). If a selector (40) is engaged, rotation of the shaft in successively opposite senses will cause automatically engagement of the first third and fourth trains in sequen |
| 4463932 |
Winch |
August 7, 1984 |
| A winch having a central shaft held axially in place by keys in the form of collets, a tongue of which penetrates an aperture in a stationary column of the winch and runs in a groove in the shaft. The collets are readily assembled to the winch by being trapped in a recess under a top cap |
| 4208036 |
Winch |
June 17, 1980 |
| A manually powered multi-speed winch has an automatic drive disengagement upon drive reversal which is provided by an axially movable member in one drive train which in a first axial position is engageable for drive transmission through a pawl and ratchet unidirectional drive means. The |
| 4151980 |
Winch |
May 1, 1979 |
| The jaws of a self-tailing channel of a winch are each provided with teeth in the form of ribs or ridges, the teeth being on a skew and being staggered so that a tooth on one of the jaws is not opposite to a tooth on the other of the jaws. In the embodiments shown the teeth are staggered |
| 4143855 |
Winch |
March 13, 1979 |
| A self tailing winch has a tailing channel defined by a pair of jaws one of which rotates with the drum of the winch but one of which is non-rotatable. A line guide and stripper element are associated with the non-rotatable jaw, preferably being integrally formed with it, in one piec |
| 4093293 |
Shackles |
June 6, 1978 |
| A marine shackle has a body with an integral post projecting from it, the integral post having an integral enlarged head. Retaining means for the shackle is an eye part an aperture in which can be passed freely over the head of the post. To retain the eye in the shackle a split collar is |
| 3998431 |
Winch |
December 21, 1976 |
| A winch has a plurality of forward drives and a reverse to its drum, all engageable from a single drive input. Respective drives are engaged by reversal of the direction of rotation of the drive input. Upon one such reversal, therefore, the reverse is automatically engaged. A preselector |
| 3973755 |
Hand operated winch |
August 10, 1976 |
| In a multi-speed winch which has automatic uncoupling of a first drive ratio when drive input is reversed, an actuator can have an uncoupling position or one in which the first drive ratio is engaged. The actuator is resiliently urged towards the latter position so that when released fro |
