Snatch blocks

Details Snatch blocks Snatch blocks

1989-03-01

1990-04-17

Matecki, Katherine A.

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

254390, 254415, B66D 304

Patent

active

049173618

ABSTRACT:
A snatch block has its sheave established by connecting the smaller ends of a pair of frusto-conical shell portions to a central member rotatably mounted on an axle protruding from one side of the hanger. The larger ends of the portions merge with end walls which are normal to the axis of the sheave and extend outwardly a distance greater than line diameters. The end walls have lips which are disposed relative to fixed water shields in a manner preventing a line, running against an end wall, from contacting the proximate water shield.

REFERENCES:
patent: 1061895 (1913-05-01), Bierce
patent: 1085017 (1914-01-01), Card
patent: 1145110 (1915-07-01), Ball
patent: 1164919 (1915-12-01), Carlson
patent: 1462631 (1923-07-01), Barnes
patent: 1736193 (1929-11-01), Erdahl
patent: 2197698 (1940-04-01), Lambreth
patent: 3109627 (1963-11-01), Stanulis
patent: 4549723 (1985-10-01), Castilano
"Quality Lobster Blocks Build to Last", Superior Marine Products Inc., Westbrook, Me., Brochure, no date available.
Lobster Blocks, Superior Marine Products, Inc. Westbrook, Me., 04092 (no date available).
Hydro--Slave, Marine Hydraulic Engineering Co., Inc., (no date available).

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