Coupling arrangement for changing components on the block of a h

Details Coupling arrangement for changing components on the block of a h Coupling arrangement for changing components on the block of a h

1988-02-10

1989-08-22

Marbert, James B.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Load releasing means

294 864, 29568, B66C 100

Patent

active

048589780

ABSTRACT:
The invention is directed to a coupling arrangement for changing a compon on a block of a hoist which is fitted with a rotary drive. The coupling arrangement has an upper part which remains on the block and which has a latching mechanism for accommodating a lower part. Each tool or component which is to be coupled to the block has a lower part which can be coupled and latched together with the upper part so that by changing the lower part, it is possible to change the component. In order to achieve a reliable and rapid remote exchange of a component on a hoist, the upper part is configured as a hollow cylindrical part which is provided with a bottom wall. The bottom wall has a central aperture from which extend two radial slots. The hollow cylinder and the lower wall conjointly define a housing for the latching mechanisms which are disposed at about 90.degree. in relation to corresponding ones of the radial slots. In the region of the two latching mechanisms there are respective latching channels for accommodating horizontal supporting pins of the lower part carrying the particular component. The supporting pins are passed through the radial slots and the upper part is rotated to seat the supporting pins in the latching channels.

REFERENCES:
patent: 2489864 (1949-11-01), Cravener
patent: 3888536 (1975-06-01), Durenec
patent: 4512709 (1985-04-01), Hennekes et al.

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