Implements or apparatus for applying pushing or pulling force – Portable implements or apparatus for tensioning flexible... – Including either force transmitting – hand held and operated...
Patent
1984-11-27
1986-02-11
Levy, Stuart S.
Implements or apparatus for applying pushing or pulling force
Portable implements or apparatus for tensioning flexible...
Including either force transmitting, hand held and operated...
24136R, 254384, B66D 302
Patent
active
045695075
ABSTRACT:
A traction block is provided comprising an elongate frame with U shaped cross section having a flat web and two spaced apart lateral flanges perpendicular to the web, two clamping blocks of elongate shape which are mounted for movement between the lateral flanges of the frame so that a relative longitudinal movement between each movable clamping block and the adjacent flange of the frame causes a transverse movement of the respective movable clamping block, and a flat cover plate parallel to the web of the frame and detachably fixed thereto, said lateral flanges of the frame being provided with tenons which project from their end faces facing towards the cover plate and which are tightly fitted in corresponding cavities in the cover plate.
REFERENCES:
patent: 1146801 (1915-07-01), Klein et al.
patent: 2400514 (1946-05-01), Kantner
patent: 3758922 (1973-09-01), Field
patent: 4068608 (1978-01-01), Hartz
Jaekel Katherine
Kley France
Levy Stuart S.
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