US2082307A - Shingle making machine - Google Patents

Description

June 1, 1937. J.-N. THOMAS SHINGLE MAKING MACHINE 3 Sheets-Sheet 1 Filed Dec. 19, 1935 1 w) M M m w Q d. 1 i T g T v QM m M R. v n m \m f i Q an Q Mm. w. RR Q% l \W m v N x Q .U QM @M z/ June 1, 1937.

.J. N. THOMAS SHINGLE MAKING MACHINE Filed Dec. 19, 1935 3 sheets-sheet 2 3 Sheets-Sheet S J. N. THOMAS SHINGLE MAKING MACHINE Filed Dec. 19, 1935 A\'. .'.v. .=.v. {\\$\3 m m m 1& Z

June 1, 1937.

Patented June I, 1937 UNITED 2,082,307 SHINGLE MAKING MACHINE James N. Thomas, Garberville, Calif. Application December 19, 1935, Serial No. 55,273

8 Claims.

This invention relates to a machine for cutting or making wooden shingles and it aims to provide a construction wherein a plurality of the shingles, of wedge shape, will be produced during each movement of a reciprocating carriage in each direction. I

More specifically, it is aimed to provide a novel machine utilizing a yieldably mounted knife and saws on opposite sides thereof, designed to produce two shingles through movement of a carriage carrying the stock or log during a movement in a single direction.

The more specific objects and advantages will become apparent from a consideration of the description following taken in connection with accompanying drawings illustrating an operative embodiment.

In said drawings:-

' Figure 1 is a plan view of the machine showing the stock or log in place on'the carriage;

Figure 2 is an enlarged longitudinal sectional view primarily through the carriage Figure '3 isan enlarged plan view of the machine;

Figure 4 is a front elevation of the machine;

Figure 5 is a cross section taken on the line 55 of Figure 3;

Figure 6 is a longitudinal section taken on the plane of line 66 of Figure 5;

Figure 7 is a detail transverse section taken through the post, knife and mounting of the latter;

Figure'S is a detail 8-8 of Figure 7.

Referring specifically to the drawings, iii designates a suitable composite bed having for instance a wooden member I and metallic beams at l2. Such bed also has a wooden element 13 and preferably metallic plates M, all of which are secured to one of the beams 12, in addition to an upright post or extension 55 of element l3 by means of bolts l6. Said post I5 aids in positioning and mounting a froe or knife H. The lower end of said knife I! is slidably disposed in a slot min the element l3 and post 15 while the upper end of said knife is slidably disposed between arms is of said post I5, confined by a bar is connected to them. Said knife has its opposite vertical edges Ii wedge shape or sharpened from opposite sides as shown. The knife i7 is urged into contact with bar I9 and forward end of slot l8 by plungers 2! in slot l8 and a slot 88' in post i5,'behind which are expansive springs 22. The yielding mounting of knife I! enables it to move laterally a distance section taken on the line suflicient to accommodate itself to unevenness of the surface of the log or bolt to better adapt it to split the log or bolt when engaged thereby. Equidistantly spaced from and on the same side of the machine as said knife I! are saws 23 5 which may be of any suitable type, usually band saws or circular saws, the same being toothed at the edges facing said knife I1 and shown but diagrammatically as they specifically form no: part of the present invention.

On said bed or table it! a carriage 24 of suitable construction is adapted to be reciprocated longitudinally, by any suitable power means, specifically forming no part of the invention. Said carriage 24 is adapted to mount the stock, bolt, or log as shown at 25 in Figure 1, the same being accurately positioned by engagement with head blocks on the carriage at 26, 2! and 28, that at 21 being of the quick detachable type operable by a lever and linkage as at 28' and including expansive springs 29' whereby the engagement with the end of the log, bolt or stock is resilient. The stops 28 have feet at 30 overlapped by and slidable between guide rails 3| bolted at 32 to the carriage. Said blocks or feet 30 are in screw-threaded engagement with left hand screw-threaded portions 33 of feed rods 34, suitably journaled on the carriage and each having a sprocket wheel 35 at its forward end over which a sprocket chain 35 is trained.

Said carriage 24 is guided in its'reciprocato'ry movement by means of two depending studs 31 which are disposed terminally in a groove 38' formed by having the upper edge of one of the plates It, lower than the other. It is to be noted that the groove 38 has inclined or deflected 'portions at 48 to cause the pins 31, one at a time, in traveling from a straight portion 4| of such groove to another straight portion 42 to angularly dispose the carriage and accordingly the bolt in order to present the bolt at the proper angle for sawing.

A laterally slidable frame 53, generally of U- shape, has arms 44- slidably mounted in guides 45 fastened to the carriage and disposed transversely thereof. Said frame 43 also has a coliar portion 45 disposed about the hub 41 of a feed pinion 43. The teeth of said pinion 48 during movement of the carriage in one direction are adapted to mesh with lower, spaced apart rack teeth at 39 on the carriage, while during movement of the carriage in the opposite or return direction, the teeth of the pinion A are adapted to engage rack teeth 59 provided on a raised, bar 5| or the like. Said frame 43 has a depending projection 5| which is adapted to travel in one direction between strips 52 forming a way 53, and in the opposite direction to travel between a bar or strip 54 on which the teeth 49 are provided and the adjacent strip 52, the way being designated 55. Switch points are pro vided as at 55 and 51 the same being pivoted as at 58 and 59, the switch 58 being so arranged that depending portion 5| in moving out of the way 53 passes the switch 58 and hence'on its movement in the opposite direction must ride on the switch and through the groove 55, at the end of which it passes the point 51, displacing the same, and which point causes the dependent 5| to return through the way 53 on the opposite movement of the carriage. The connection between the projection EI and the ways 53 and 55, and the connection of the other necessary part is sufficiently loose to permit the previously mentioned tilting or angular positioning of the carriage 24.

Presuming operation, it is seen in Figure 3 that on the right hand travel of the carriage, stud 5! travels in groove 55, due to switch 56; therefore, the pinion 48 moves to the left in Figure 5 and engages teeth 49. Teeth 48 are stationary and below the pinion; thus the pinion will roll along the rack on bar 54, by reason of the engagement of the teeth on the pinion with the teeth on the rack, and the pinion must turn clockwise. On the travel of the carriage to the left in Figure 3, stud 5| enters groove 53 by reason of switch 51, and the teeth on the pinion 48 engage the overhead teeth 50, thus rolling the pinion along bar 5|, again in a clockwise direction. Both shafts 33 are then turned clockwise, and the nuts 30 being held against rotation, must be urged away from the saw line, thus preventing the work from being cut. a

From the previous description and by inspection of the drawings, it will be apparent that the machine will produce a shingle that is split on one side and its opposite side sawed. By having one side, which will be the side exposed to the weather, formed by splitting, the shingle will be very durable; while the sawed side, that will be the side secured to the roof rafters in use, is flat and smooth and will engage closely said rafters. In fact, the product has substantially the advantages of split and shaved shingles and can be manufactured at a materially reduced cost.

Various changes may be resorted to provided they fall within the spirit and scope of the invention.

I claim as my invention:-

1. A shingle machine comprising a reciprocating carriage for a bolt, a knife, a saw equidistantly disposed at each side of the knife, the knife and saws being positioned along the path of movement of the carriage, and means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in oner direction of reciprocation of said carriage.

2. A shingle machine comprising a reciprocating carriage for a bolt a knife. a saw equidistantly disposed at each side of the knife, the knife and saws being positioned along the path of movement of the carriage, and means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, said means comprising a bed having a continuous groove, portions of said groove being disalined, and studs on the carriage disposed in said groove.

3. A shingle machine comprising a reciprocating carriage for a bolt, a knife, a saw equidistantly disposed at each side of the knife, the knife and saws being positioned along the path of movement of the carriage, and means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, and means operable to automatically laterally advance the knees or blocks of the carriage after the production of each shingle.

4. A shingle machine comprising a reciprocating carriage for a bolt, a knife, a saw equidistantly disposed at each side of the knife, the knife and saws being pos'tioned along the path of movement of the carriage, and means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, comprising a bed having a continuous groove, portions of said groove being disalined, studs on the carriage disposed in said groove, and means operable to automatically laterally advance the knees or blocks of the carriage after the production of each shingle.

5. A shingle machine comprising a reciprocating carriage for a bolt, a knife, a saw equidistantly disposed at each side of the knife, the knife and saws being positioned along the path of movement of the carriage, and means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, head stock means on the carriage for engagement with the bolt, and screw means for the head stock means operable through movement of the carriage to laterally advance the bolt after the production of each shingle.

6. A shingle machine comprising a reciprocating carriage for a bolt, a knife, a saw equidistantly disposed at each side of the knife, the knife and saws being positioned along the path of movement of the carriage, and. means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, head stock means on the carriage for engagement with the bolt, screw means for the head stock means operable through movement of the carriage to laterally advance the bolt after the production of each shingle, said screw means comprising a plurality of shafts, gearing operable to drive one shaft from the other, a bed, and means on the bed and one of said shafts coacting to operate the screw means.

'7. A shingle machine comprising a reciprocating carriage for a, bolt, a knife, a. saw equidistantly disposed at each side of the knife, the knife and saws being. positioned along the path of movement of the carriage, and means to tilt the carriage relative to they knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, head stock means on the carriage for engagement with the bolt, screw means for thehead stock means operable through movement of the carriage to laterally advance the bolt after the production of each shingle, said screw means comprising a plurality of shafts, gearing operable to drive one shaft from the other, a bed, means on the bed and one of said shafts coacting to operate the screw means comprising and rotatable with one, of said shafts, a movable frame on the carriage in which the pinion is journaled, ways on the bed into which the frame extends to control the position of the pinion, trip means associated with said ways to cause the frame and pinion to laterally shift upon change in direction of the carriage, and gear means on the bed engageable by the pinion to rotate the pinion after the production of each shingle to laterally feed the bolt.

8. A shingle machine comprising a reciprocating carriage for a bolt, a knife, a saw equidistantly disposed at each side of the knife, the knife and saws being positioned along the path of movement of the carriage, and means to tilt the carriage relative to the knife and to each saw before engagement of the bolt therewith to alternately split a shingle and saw a shingle from the bolt in one direction of reciprocation of said carriage, head stock means on the carriage for engagement with the bolt, screw means for the head stock means operable through movement of the carriage to laterally advance the bolt after the production of each shingle, said screw means comprising a plurality of shafts, gearing operable to drive one shaft from the other, a bed, means on the bed and one of said shafts coacting to operate the screw means comprising a pinion slidable along and rotatable with one of said shafts, a movable frame on the carriage in which the pinion is journaled, Ways on the bed into which the frame extends to control the position of the pinion, trip means associated with said ways to cause the frame and pinion to laterally shift upon change in direction of the carriage, gear means on the bed engageable by the pinion to rotate, the production of each shingle to laterally feed the bolt, a pair of studs depending from the carriage, said bed having a way in which said studs extend, said way being straight adjacent said knife and equidistantly on opposite sides thereof, and having communicating portions out of line with said straight portion on opposite sides thereof.

JAMES N. THOMAS.

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