Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1991-10-17
1993-10-05
Hail, III, Joseph J.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
254296, 254300, B66D 114, B66D 126
Patent
active
052497771
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a portable winch with a frame, a drum means which is mounted in said frame, and a driving means for rotation of said drum means, via a transmission.
2. Description of the Related Art
Portable manually operated capstans or winches are previously known. Utilization of such winches, e.g. for hauling up nets is, however, difficult because the person who operates the winch can only control the net with one hand. Even if hauling up of the net is carried out by two persons, one of whom operates the winch, operations will be slow and cumbersome due to the relatively low maximum physical strength of human beings.
Motor driven, mobile winches, e.g. crane trolleys and smaller power blocks for use on fishing craft are also known. Such devices may be more or less movable relative to a rail or about a carrying shaft, but such devices are neither especially compact, nor light-weight and are not suitable for being carried by one person.
SUMMARY OF THE INVENTION
It is an object of the invention to provide a winch or a capstan of the above mentioned kind which does not show the above mentioned disadvantages. The distinctive properties of the winch according to the invention will appear from the characterizing features stated in the following claims.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is disclosed in more detail below with reference to the drawing, which provides diagrammatical views of embodiments of a winch according to the invention.
FIG. 1 is a longitudinal section according to line I--I in FIG. 2, through a winch according to the invention with a first embodiment of a drum means;
FIG. 2 is an elevational view of the winch shown in FIG. 1, as seen in the direction of arrow B;
FIG. 3 is an elevational view of the winch shown in FIG. 1, as seen in the direction of arrow C;
FIG. 4 is an elevational view of a gear and a sectional view of one wall of the gear case to show wheels and shafts that are provided in said case;
FIG. 5 is a sectional view according to line V--V through the drum of the winch as shown in FIG. 1; and
FIG. 6 is a longitudinal section through one end portion of another embodiment of a drum means for a winch according to the invention.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
In the following disclosure it should be understood that the winch is placed in a position with the longitudinal axis of its drum extending horizontally, and that a right hand side and left hand side are in this context the right hand side, and left hand side, respectively, of the elevational view of FIG. 1.
As will appear from FIGS. 1, 2, and 3, the winch comprises a frame 1 with a horizontally extending main beam 2, with a tube-shaped profile. To its central portion a vertically depending pipe stub 3 is welded, and a flat profile 4 with a through hole 5 is welded to the latter.
A round profile 6 and 7, respectively, is welded to the end portions of main beam 2. Each round profile extends in the respective vertical plane and substantially circular upwards and horizontally in the same direction away from main beam 2 with a radially inward extending ring 8 and 9, respectively, made from a flat profile which is welded to each profile. Each radially inner edge of said rings carries a bearing ring 10 and 11, respectively, of a plastic material for example which is suitable for use as a slide bearing. On the other side of one ring 9 relative to the main beam a flange 12 is welded to the ring. To flange 12 a flange 13 of an arm 14 which is produced from a square tube and which extends to the common central axis of bearing rings 10, 11 is secured by the aid of screws. From this point a short pipe stub 15 extends away from the vertical plane of ring 9.
From the lower portion of right hand side ring 9 and right hand side round profile 7, two plate pieces 16 extend, which are welded to said members and onto which a vertically extending transverse plate 17 is welded.
Pipe stubs 3 and 15 are designed for telescopic insertion into associated
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