Cutting – By tool reciprocable along elongated edge – With work-support and means to vary relationship between...
Patent
1988-11-28
1990-09-04
Phan, Hien H.
Cutting
By tool reciprocable along elongated edge
With work-support and means to vary relationship between...
30393, 83783, 83699, B27B 1902
Patent
active
049534319
ABSTRACT:
The improved saw blade suspension device permits adjustment at an angle between (1) 0.degree.-90.degree.; (2) 90.degree.-180.degree.; and (3) 180.degree.-270.degree.. This constitutes a substantial improvement because it permits adjustment according to different directions of the saw blade, and according to each operator who may be left-handed or right-handed. Two clamping sheets are used and only one pin is required for each clamping sheet. The device comprises an upper body and a lower body (1), the upper and lower body having a pair of ears (12), the upper and lower body having at one end a portion (13), holes (14, 15, 16 and 17) located in the front, right side, left side and the rear, a steel pin (11) inserted in the ears (12) through apertures (121, 122). The saw blade (3) is inserted in the holes (14, 17) or holes (15 and 16) and is locked by screws (19), into two holes (18) each of which is located at one end of the body (1). The device also comprises a pair of clamping sheets (2) for clipping the steel pin, each of the clamping sheets having in front a plate (21) with protruberance (22). The plate (21) has a width equal to the distance between the two ears (12), and pin (11) is clipped by said clipping plate (21).
REFERENCES:
patent: 2780249 (1957-02-01), Andreae et al.
patent: 4616541 (1986-10-01), Eccardt et al.
patent: 4670986 (1987-06-01), Chen
patent: 4841823 (1989-06-01), Brundage
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