Sawhorse with rotatable bases

Details Sawhorse with rotatable bases Sawhorse with rotatable bases

1994-10-04

1996-07-23

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Scaffold horse beam or leg

Relatively movable

182153, B27B 2100

Patent

active

055381022

ABSTRACT:
An easily storable sawhorse which includes a cross beam and a pair of bases which are rotatable relative to the cross beam. Each of the bases includes a triangular frame and a rotatable member which is connected at its upper end to the cross beam and which has an externally threaded lower end which fits into a recess formed in the top portion of the frame. A nut mounted on the frame engages the externally threaded portion of the rotatable member and connects the rotatable member to the frame while rotation of the nut causes the rotatable member to be raised, permitting the rotation of the bases relative to the cross beam, or lowered to tightly hold the rotatable member and the frame of the base together to provide a steady working surface. The rotatable member includes recessions while the top portion of the frame includes complementary protrusions so that when the rotatable member and the top portion of the frame are aligned the protrusions and recessions engage to secure the rotatable member with respect to the frame.

REFERENCES:
patent: 4508194 (1985-04-01), Freewalt
patent: 5184697 (1993-02-01), Crewe
patent: 5299773 (1994-04-01), Bertrand

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