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Class 254/353 - Plural driving pawls


Subclass of Class 254 - Implements or apparatus for applying pushing or pulling force
Definition: Apparatus having two or more distinct pawls, each of which
No. of patents: 15
Last issue date: 08/13/2002


NumberTitleIssue Date
6431103Winch
A motor winch, which is suitable as a sheet or halyard winch (11) for sailing yachts, etc., has an integrated electric or hydraulic drive. The motor (52) is integrated into the winch in such a way that it is located within the winch body and in particular...
08/13/2002
5570872Free-rotation control apparatus of hoist and traction machine
In a hoist and traction machine including a free rotation control apparatus, a free-rotation spring 19, for urging an operating handle 18 toward a driving member 8 and also urging the driving member 8 in the brake releasing direction, is interposed betwee...
11/05/1996
5472171Free rotation control apparatus for a hoist and traction machine
A hoist and traction machine having a mechanical brake (13), wherein a not-relative (14)-rotatable operating handle (18) is axially movably an interposed between a stopper (17) provided at an axial end of a driving shaft (5) and a driving member (8) threa...
12/05/1995
5351937Hoist and traction machine with free rotation control
A hoist and traction machine having a free rotation control device/apparatus for selectively controlling the mechanical brake to be inoperative and for maintaining the inoperative mode of the mechanical brake, so as to control the free rotation of the loa...
10/04/1994
4819913Lever type hoisting machine
A lever type hoisting machine capable of easily and securely pulling down a lower hook in no-load state. An operation wheel is rotatably supported in contact with a drive shaft and a pressure drive wheel, and an inside collision part and an outside collis...
04/11/1989
4512555Idling device for lever hoist
An idling device is able to bring into an idling condition a lever hoist including a change gear provided on driving member threadedly engaged on a driving shaft for driving a sheave winding-up thereabout a chain or rope for a load, an operating lever roc...
04/23/1985
4483519Idling device for lever hoist
An idling device is able to bring into an idling condition a lever hoist including a change gear provided on driving member threadedly engaged on a driving shaft for driving a sheave winding-up thereabout a chain or rope for a load, an operating lever roc...
11/20/1984
4479635Idling device for lever hoist
An idling device is able to bring into an idling condition a lever hoist including a change gear provided on driving member threadedly engaged on a driving shaft for driving a sheave for winding-up a chain or rope for a load, an operating lever rockably d...
10/30/1984
4474360Idling device for lever hoist
An idling device is able to bring a lever hoist into an idling condition including a change gear provided on driving member threadedly engaged on a driving shaft for driving a sheave for winding-up a chain or rope for a load, an operating lever rockably d...
10/02/1984
4471946Idling device for lever hoist
An idling device is able to bring into an idling condition a lever hoist including a change gear provided on driving member threadedly engaged on a driving shaft for driving a sheave for winding-up a chain or rope for a load, an operating lever rockably d...
09/18/1984
4469308Lever hoist
A lever hoist comprises a change gear provided in a driving shaft for driving a sheave for winding-up a chain or rope for a load, an operating lever rockably driven by a hand, winding-up and winding-off driving pawls engageable with teeth of the change ge...
09/04/1984
4468005Lever hoist
A lever hoist comprises a change gear for driving a sheave for winding-up a chain or rope for a load, an operating lever rockably driven by a hand, winding-up and winding-off driving pawls engageable with teeth of the change gear and changeable in respons...
08/28/1984
4420144Manual hoisting and pulling apparatus
A hand hoist or pulling apparatus including a drive clutch assembly, and a drive shaft and transmission gears associated with the assembly for pulling a chain on a load sheave by oscillating a lever. A holding member and a stop lever for preventing the me...
12/13/1983
4369952Manually driven winch
The present invention relates to a manually driven winch, preferably intended as a sheet winch on sailboats, with which sheeting can be performed with the required mechanical advantage between the ingoing and the outgoing parts of the sheet, by imparting ...
01/25/1983
4341372Automatically meshing sheet winch
The disclosed automatically meshing sheet winch has a drum to be driven either directly or indirectly through a reduction gear by a main shaft, and a rope guide which includes an internal gear operatively related to another internal gear formed on a fixed...
07/27/1982
 
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