US805626A - Matcher-head for wood-planers. - Google Patents

Description

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WMM HWE PATENTED NOV. 28, 1905,

0. W. H. BLOOD. MATCHER HEAD FOR WOOD PLANERS.

APPLICATION FILED JULY 16,1904.

UNITED STATES PATENT OFFICE.

CHARLES W. H. BLOOD, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO S. A. WOODS MACHINE COMPANY, OF BOSTON, MASSACHUSETTS.

Specification of Letters Patent.

Patented Nov. 28, 1965.

Application filed July 16. 1904. Serial No. 216,793.

To aZZ whom it may concern:

Be it known that I, CHARLEsW. H. BLOOD,

a citizen of the United States, and a resident the aforesaid adjustment.

' The usual manner of adjusting a matcherhead is to stop the machine and then laboriously lift or lower the matcher-head orshaft and connected parts by tightening and loosening one or more bolts and nuts underneath the machine or upon the body of the head, this mechanism being not only slow, awkward, and inefficient, but consuming a'great deal of time in subsequent testing to see if the adjustment is correct. For instance, in matching hard woods for line work the adjustment must be extremely accurate, so as to bring the adjacent top surfaces at the edges of the boards into absolutely the same plane, and if the adjusting mechanism is at the bottom of the machine or underneath the frame and is accomplished by means of a wrench or other means difficult to handle or hard to get at, and especially if the machine has to be stopped for the adjustment and then started up for trial to see whether the adjustment is suflicient or not, it is evident that there is an unwarranted consumption of time, labor, and patience. Accordingly my invention resides in providing means for enabling the operator to adjust the matcher-head while watching the operation of the running machine, or, in other words, I provide such a construction, location, and arrangement of parts that the operator can watch with extreme care the result of the adjustment as he is making it,.

the adjusting means for this purpose being located at the top of the machine, from which the cutter-head and all the parts carried therewith are supported, my invention also including mounting the chip-breaker on said adjusting mechanism or coaxially thereof, besides various features, as referred to above, relating to the vertical adjustment and as will be more fully pointed out in the following description and further defined in the appended claims.

In the drawings, Figure 1 represents my invention in side elevation, the frame of the machine being shown in vertical longitudinal section, partly broken away. Fig. 2 is a transverse horizontal section taken on the line 2 2, Fig. 4. Fig. 3 is a top plan view of the parts shown in Fig. 1. Fig. 4 is a vertical section taken on the line 4 4, Fig. 2, showing the construction of the adjustable journal-box and support at the bottom end of the matcher-head frame; and Fig. 5 is an enlarged fragmentary view, partly in section, of the top portion of the adjusting mechanism.

It will be understood that my invention is applicable to the general line of woodworking machinery containing matchers or side cutters, a usual planer-frame or bed a being herein indicated having parallel ways a a extending across the machine, in which the opposite matcher-heads are adjustable toward and from each other, only one thereof being herein shown for convenience of illustration. Mounted between these ways is a supporting leg or yoke a bolted or otherwise secured to a top matcher-plate a, resting on said ways and adjustably clamped thereto by means of a wedge-block a tightened by a bolt a, working in a boss a on said plate a. The wedge-block a wedges against the beveled edge of the way a at one side and against the oppositely-beveled edge of the leg or yoke 00 at its opposite side. The lower end of the hanger a is U-shaped in horizontal section, having opposite vertical Ways a? a on its inner faces in which slide guide-ribs (1/ (1 of a journal-box and carrier (L for supporting the lower end a of the cutter-spindle a, whose upper end carries the cutterheada The lower end of the spindle a has a long bearing at a" in said box and is grooved at a to receive an arm a, the lower end being engaged with and resting on a steel disk a, mounted on a brass or composition step a, suitably supported, as on a bolt c0 said arm a and step construction cooperating to cause the spindle and j ournalbox to move positively up and down together.

Extending upwardly from the journal-box (L13 is a rod (Z25, held immovably in a hub (1 of a bracket a by screws a and threaded at its upper end to receive a hand-wheel or adjusting-nut a, resting against the upper side of a boss a projecting from the stationary left-hand portion a of the chip-breakerhousing, as shown in Figs. 1 and 3, the swinging right-hand portion a of the chip-breaker having ears a a, by which it is pivoted to the rod a The hand-nut a is held against vertical movement by a plate 0. engaging an annular groove a therein, and the adj ustment of the rod (L25 is read on a micrometer-scale a, clamped on the shouldered end of said rod.

From the foregoing description it will be evident that the operator can readily get the desired adjustment with the utmost exactness without stopping the machine simply by turning the hand-nut a, thereby adj usting the entire cutter-head, spindle, and bearing exactly together as they are. My construction enables this adjustment to be accomplished from the top of the machine, the hand-nut a being located convenient to the hand of the operator as he leans over the machine, if desired, to watch the effect of the adjustment on the Work being done by the cutters. The positive control for both upward and downward adjustment is also of importance, as it revents possible inaccuracy on account of jumping. The stepped bearing permits all wear to be taken up, and the movable journal-box permits everything to remain in the same relation notwithstanding the vertical adjustment of the cutterhead.

The journal proper for the bearing a includes a removable front portion (L38, held by screws a a and engaging the opposite sides of the oil-chamber a, as clearly shown in Fig. 2. The front a is removable to afford ready access to the inclosed parts. This oilchamber is so constructed as to maintain all the lower bearing portions of the device constantly immersed in oil and is an important feature. A filling-opening a, closed by a flap-cover a, is located at the top of the chamber a, and all the bearing portions a a a (L21 are located on a lower level within said chamber.

In use the operator instead of being obliged to stop the machine and to kneel down, so as to work under the machine, simply stands upright in the usual osture for running the machine and grasps t e hand-wheel a when he wishes to adjust the cutter-head up or down, turning said hand-wheel one way or the other with the utmost freedom and closely Watching the adjustment as the cutter a cuts the timber or determining the adjustment by means of the gage (1 The entire cutter-head and supporting and driving mechanism are carried in the rigid frame consisting of the top matcher-plate and supporting leg or yoke and are bodily adjustable therein simply by raising or lowering the rod (1 by means of the hand-wheel a. The parts go up or down together without vary ing their relative position or adjustment with relation to each other. This prevents any possibility of the shaft a getting out of alinement or the bearings changing adjustment, and, moreover, it insures certainty and rigidity of movement, adjustment, and operation. The bearing-surface a does not change its position in the journal-bearing, as would be the case if they did not move to gether, and also because of my arrangement the lubrication is continuous and uniform, and yet all the parts are rendered accessible.

I do not intend to restrict myself to all the constructional details herein described, as I am aware that many changes in form, arrangement, and combination of parts may be resorted to without departing from the spirit and scope of my invention.

Having described my invention, what I claim as new, and desire to secure by Letters Patent of the United States, is

1. In a machine of the kind described, a bed, a top plate transversely adjustable in the top of said bed, a depending leg rigidly secured to said top plate within said bed, vertical ways on said leg, a journal-box freely movable in said ways, a vertical shaft having a bearing beneath its lower end in said box and an upper bearing, a matcher-head fast on the upper end of said shaft above said plate, and an operating-rod for vertically moving said box and shaft, said rod extending parallel to said leg and provided at its upper end above said plate with hand-opcrating means located close to said matcherhead.

2. In a machine of the kind described, a bed, a top plate, a matcher-head and vertical shaft carried thereby, an end bearing supporting the lower end of said shaft, guiding means for said bearing, a rod supporting said bearing and longitudinally immovable with relation thereto, said rod having a threaded end extending above said bed, and a hand-nut on said threaded end engaging a fixed part of the machine, operation of said nut simultaneously moving said shaft and rod, whereby the adjustment of the matcherhead may be determined by the longitudinal movement of said rod with relation to said nut.

3. In a machine of the kind described, a bed, a top plate transversely adjustable in the top of said bed, a vertically-adjustable matcher-head and depending shaft carried by said plate, and adjusting means mounted in and moving with said plate for bodily moving said matcher-head and shaft vertically, said adjusting means being provided above said plate with hand-operating means.

4. In a machine of the kind described, a vertically-adjustable matcher-head, its driving-shaft, a lower journal-bearing for said shaft, a top plate and depending supportingleg for said bearing and shaft, a lubricatingchamber for submerging the journal-bearing and shaft-bearing, and means operated from the top of the machine for simultaneously adjusting all of said parts with relation to said plate and leg.

5. In a machine of the kind described, a vertically-adjustable matcher-head, its driving-shaft, a top plate and depending supporting-leg for said shaft, a journal-box containing a lubricating-chamber for the lower end of said shaft, the latter being grooved adj acent its lower end, an arm fast in said box extending laterallyinto said groove, a step bearing beneath the adjacent end of said shaft, and an adjusting-bolt in said box for adjusting said bearing toward said arm, whereby wear is taken up between said arm and bearing. 6. In a machine of the kind described, a

I bed over whose top surface the work to be matched travels, a top plate transversely adjustable in the top of said bed, a leg depend ing rigidly from said top plate within said bed, a journal-box supported by the lower end of said leg and vertically movable thereon, a shaft extending upwardly from said box, a matcher-h'ead mounted on the upper end of said shaft, a bracket on said box, a rod held by said bracket and projecting upward through the top of said bed, a bearing for supporting the upper end of said rod and thereby supporting said box, and hand-operated means forvertically adjusting said red, box, shaft and matcher-head simultaneously, said shaft adjacent its lower end having a peripheral groove, said box containing a j ournal-bearing and a stepped bearing separated from each other at said groove, and an arm rigidly supported in said box and extending in said groove for preventing the shaft from moving upwardly independently-of said box.

7. In a machine of the kind described, a vertically-adjustable matcher-head, an adjusting-rod extending above the top of the machine for adjusting the same, and a chipbreaker for said matcher-head, pivoted on said rod.

8. In a machine of the kind described, a vertically-adjustable matcher-head, means located on top of the machine for adjusting the same, and a chip-breaker pivoted concentrically of said adjusting means.

9. In a machine of the kind described, a vertically-adjustable matcher-head, a chipbreaker surrounding the same comprising a stationary part and a movable part pivoted together at one end, and an adjusting-rod for said matcher-head extending at said pivotal end and supported on said stationary part of the chip-breaker.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

CHARLES W. H. BLOOD.

Witnesses:

GEO. H. MAXWELL, E. G. PRocToR.

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