US128795A - Improvement in miter-boxes - Google Patents

Description

A. C. HALL.

improvement in Miter-Boxes.

P teni d] I 9,1872. N0.128,795. e "y UNITED STATES Enron.

ANDREW CLAYTON HALL, O F CARBONDALE, PENNSYLVANIA.

IMPROVEMENT IN MlTER-BOXES.

Specification describing a new and Improved Miter-Box, invented. by ANDREW O. HALL, of Oarbondale, in the county of Luzerne and State of Pennsylvania.

Figure 1 represents a sectional elevation of my improved miter-box, the line 0 c, Fig. 2, indicating the plane of section. Fig. 2 is a top view, partly in section, of the same and Fig. 3 a detail side view of one of the saw-guides.

Similar letters of reference indicate corresponding parts.

This invention relates to a new form of sawgnides, and to a new combination of the same with the posts and swivel-bar of a miter-box,

end of the bar B into the bed, and constitutes the pivot of the bar on the bed. The other post D is rigidly secured to the other end of the bar B. Both posts are slotted, and so placed that their slots are opposite each other to admit the saw. A spring, a, projecting from the outer end of the bar B, and over the edge of a plate, I), which is by preference attached to the front of the bed A, serves. to lock the bar and posts in suitable position in any one of a series of notches which are cut into the plate b. E E are two vertical slides on the posts 0 D. Each slide is provided with two laterally-adjustable jaws, d d, which constitute the saw-guide, and which can be adjusted apart or together by means of set-screws e 0. By the latter the guides can be made wide or narrow enough to fit saw-blades of suitable thickness.

Having thus described my invention, I claim as new and desire to secure by Letters Patentw l. The guides (Z 61 adjusted by the screws 0 e, and arranged on the slides E, as set forth.

2. The combination of the subject-matter of the foregoing clause with the posts 0 D and bar B, substantially as herein shown and de-

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