US1068150A - Cutter-guard. - Google Patents

Description

E. L. MARKLB. GUTTER GUARD.

APPLIATION FILED SEPT. 23, 1812.

Patented July 22, 1913.4

@fin/ky mbz 6556.5

NTTED STATES PATENT OFFICE.

EDWARD L. MARKLE, 0F CHICAGO, ILLINOIS.

CUTTER-GUARD.

To all ze/Lowe, t muy concern.'

lle it known that l, Enwnun L. Minuten, a citizen ol the United States, residing at Chicago, in the county oit Cook and State ot lllinois, have invented certain new and use :ful lmproveinents in Cutte" n Guards7 ot which the following is a specification.

The guard which is the subject ot the present invention is designed more particu larly tor use in connection with jointers and similar wood-working machines having rotating cutters.

lt is the object of the :invention to provide a, guard of the kind stated which is simple in construction, which can be easily attached to the machine, and which will ellectually protect| the operator from injury by the cutters. These objects are attained by a novel combination and arrangement of parts to be hereinafter described and claimed, reference being had to the accompanying drawing forming a part oit this specification.

ln the drawing, Figure 1, is an elevation oit the machine showing the applitaltion ot the invention. Fig. Q is a plan view oit` a fragment of the machine showing the position of the guard. F 3 is an end view o't the machine. Fig. et is a perspective view of the guard removed. Fig. 5 is a horizontal section on the line 5 oit' Fig. l. Fig. G is a vertical section on the line (3 6 of Fig. 1, and Figs. 7 and 8 are horizont-al sections on the lines 7-7 and 8-8, respectively, of Fig. G.

ln the drawing, 5 denotes the hed oit a jointer or similar Wood-working machine having a guide 6 for the work, and a revolving horizontal cutter T which latter projects through an opening in the leed, as usual. These as well as the other parts of the machine, are all constructed and arranged in the ordinary way, and as they torni no part ot' the present invention, a detailed description thereof is deemed unnecessary.

In order to protect the hands ot the operator from injury by the cuttei. there is pro vided a guard comprising an arm 8 having one end enlarged as indicated at El so that lsaid enlargement may serve as a cover for the cutter. The other end oit the arm has a hub 10 by which it is pivoted on a vertical rod 11. The guard extends horizontally across the hed 5 and its pivotal connect-ion with the rod 1l allows it to swing in a Specification of Letters Patent.

Application filed September 2B, 1912.

Eatented July 22, 191.3.

Serial No. 721,859.

horizontal plane. The rod 1l is held in a. support comprising two members 12 and 3 which are bolted together, as indicated at ll, and between which the rod is adjustably clamped, the contiguous 'faces oit the members laving registering grooves in which the rod seats, as shown in Fig. S. The ineinber 'l2 has at its lower end a depending stem l5 which is square in cross section and eX- tends through a. vertical aperture 1G in the enlarged outer end ol' a horizontal bracket 17 which latter is bolted or otherwise rigidly secured to one side ot the machine traine. The upper end of the member 1Q has a rew duced portion 18 to accommodate the hub 10, and said part 1S ternlinates in a lateral projection 1S) which overhangs the hub and has a vertical opening to receive the upper end of the rod ll. The member 13 extends only as far as the hub, and the latter is located between the same and the projection 1f), and also between the latter and the shoulder forlned by the part 1S, as sho-wn in Fig. (S. This structure provides a` bearing tor the ends ot the hub and prevents vertical movemeut thereot on the rod 11.

The inner end olD the arm S is hollow and in said hollow is a weh 2t) to which is anchored one end ot' a coiled spring 9.1. The other end ot the spring is anchored to a projecting tlange on the .member l2. The functie-n of this spring is to hold the guard swung ove' against the guide (l, as shown in F Q, in which position it covers the cutter 7.

A guard constructed as herein described etlectually serves the purpose :for which it is designed. It is simple in eonstri'lction, and it can be readilyY attached to the machine.

l claim:

l. The munbination ot a supjiortng braclmt ha ving an aperture, a rod, a pair of clamping members between which the rod is held, one of said members having a stem which seats in the aforesaid aperture, and a cutter guard having an arm which is pivoted on the rod.

2. The combination ot a supporting bracket having an aperture, a rod, a pair oil. clamping members l'ietween which the rod is held, one ot' said n'ieinbers having a stein which seats in the aforesaid aperture, a cutter guard having an arm which is pivoted on the rod, and a spring connected to the arm for swinging the guard in one direction.

11o l l l l 3. The combination of a supporting bracket having an aperture, a rod, Ya pair of clamping members between which the rod is held, one of said members having at one end a stem which seats in the aforesaid aperture, the other end of said member having a reduced portion terminating in a projecting part having an opening into which the rod extends, and a Cutter guard having an arm provided with a hub through which the rod passes, said hub being located between the aforesaid projecting aart of one of the clamping members and the other member.

4. The combination of a supporting bracket having an aperture, a rod, a pair of clamping members between which the rod is held, one of said members having a stem which seats in the aforesaid aperture, a cutter guard having an arm which is pivoted on the rod, the inner end of the arm being hollow and having a web, and a spring anchored at one end to the web, and at its other end to one of the aforesaid clamping members. e

In testimony whereof I affix my signature in presence of two witnesses.

EDWARD L. MARKLE.

lVitnesses .ROSE M. MINUEGEN, H. G. BATGHELOR.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents. Washington, D. C.

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