APPARATUS FOR SURFACE FLOAT-WORK Russian patent published in 1994 - IPC

FIELD: construction. SUBSTANCE: apparatus for surface float-work has a body with a handle and a drive with a shaft, located in it. A vertical pusher is eccentrically connected with the latter by its one end. The free end of the pusher is hinged to a working unit, that is hinged to the drive body. Shaft of the drive has a coupling with a transverse T-shaped groove on its free butt. A prism-type head of a pin is located in the T-shaped groove. With the help of the latter the pusher is connected with the coupling. The free end of the pin has a stopping nut. Hinge to connect the drive body with the working unit has upper and lower ears and a shaft. The upper ear is made as fixed on the body longitudinal guide. The lower ear is mounted on the working unit with capability of longitudinal movement and fixing position with the help of the stopping screw. Shaft of the hinge is located in the longitudinal guide and is capable to move. The drive has a regulated of its rotation rate. The working unit may be changeable and may have working surface of different form. EFFECT: apparatus is used for float-work and smooth out of construction surfaces and seams. 5 cl, 4 dwg