US1716765A

US1716765A - Perforating disk

Info

Publication number: US1716765A
Application number: US240140A
Authority: US
Inventors: George A Colman
Original assignee: Individual
Current assignee: Individual
Priority date: 1927-12-15
Filing date: 1927-12-15
Publication date: 1929-06-11
Anticipated expiration: 1946-06-11

Description

June 11, 19 G. A. COLMAN FERFORATING DISK File d Dec. 15. 1927 INVENTOR Geo/ye Colman vlllllllflz lllauw l ll "=5 La/21v ATTORNEY Patented June 11, 1929. 1,716,765

UNITED PATENT QFFICE.

GEQRGE A. GOLMAN, OF SEATTLE, WASHINGTON.

PEBFORATING DISK.

Application filed December 15, 1927. Serial No. 240,140.

My invention relates to an improved perfo- Idly mounted on axle 18 is a pin depressing rater disk of a perforating machine. roller preferably so mounted by means of More particularly, my invention relates to roller or ball bearings 16. Said depressing a timber perforating disk used in conjunction roller 15 is of less diameter than the inner pe a with a timber perforating mechanism such as riphery of flange f, and is of such diameter as is disclosed in my co-pending application, Se to cause the outer periphery of said roller 15 rial No. 608,242. I to extend nearly to the inner periphery of In perforating poles for use in telegraph flange i in order that it may forcibly engage poles or piling for purposes of more thorthe ret acted pins 8.

10 oughly impregnating said poles with a pre- The mode of operation of a device embodyserving compound, great difficulty is cxperiing my invention in addition to that described enced in providing clean-cut perforations. above is as follows:

That is,difliculty is experienced with the pres As the pole 18 is caused to revolve against ent type of perforating disk where the perfodisk housin 3 the said housing is rotated and 15 ti pins ar ri idly h ld in th disk b the perforating pins 8 are one by one brought cause of the tendency to tear or splinter the beneath the roller 15 which successively grad-. pole. u ally force outwardly or depress said pins to a A primary purpose of my invention is to predetern'iined extent required to make the overcome these objections, and to provide a perforation of the desired depth. Manifest- 20 perforator which is simple in construction, ly, the pins are gradually caused to pierce the and does not break or dull the perforating pole said pins rotate towards the diametripin points to the objectionable degree which 1 lignment 17-17 and are gradually peris at present experienced with the usual form lnittcd t0 l'fitmct as y move beyond Said of perforating disk. alignment. This avoids tearing the edge of 25 The above mentioned general objects of my the perforations which often occurs when the invention, together with others inherent in pins are rigidly held in the perforating disk, the same, are attained by the mechanism illus since no provision is made for adjusting the trated in the following drawings, the same belength 013 the protruding P in re p o e in a f rr d exemplary form of embodt diametrical alignment of the pin and disk so ment of my invention, throughout which W respect to t e poledrawings like reference numerals indicate like This mode of operation avoids breaking the parts: pins or dullin the same and provides a most Figure 1 is a view in side elevation of a disk eliicient perforating disk in practical operaembodying my invention with parts broken tion.

35 away, showing the pins in operative cngag'e- By providing the outer guide opening 7 in a ment with a pole; and bushmg 8 a simplemeans is provided for as Fig. 2 is a view on dotted line 2, 2 of Fig. 1. seinbling the pin 8 and the spring 11 within A perforating disk housing 3 is preferably the recess 5 and also a ready means is proprovided with a flange 4 in which are pin revided for replacing said pins when it is de- 40 ceiving recesses 5 which recesses have an. inner sired to sharpen the points of said pins.

pin guide opening 6 and an outer pin guide Obviously, changes may be made in the opening 7 the latter being preferably proform, dimensions and arrangement of the vided in abushing S. In said openings a pcrparts of my invention, without departing forating pin 8 is located which may have a from the principle thereof, the above setting collar 9 operatively disposed to strike against forth only a preferred form of embodiment. shoulder 10. A resilient means which may be 1 claim in the form of a spring 11 bears against collar A pile perforating disk embodying a hous- 9 and bushing 8, tending to hold collar 9 ing idly mounted 11c ving aperipherally dis 0 against shoulder 10 thereby retracting the pin posed flange with perforating pin mounting 50 8 within recess 5. recesses therein, said recesses having an inner Disk housing 3 is rotatively mounted on and outer pin guiding opening the outermost shaft 12. Axle 13 is mounted on bracket 14. of which openings is formed in a bushing;

perforating pins slidably mounted therein, said pins having a collar formed thereon which. limits the inner displacement of said pin; resilient means hearing against the collar of said pin ane said bushing" said means nermally holding said pins retracted in said recesses; an axle; a mounting bracket for said axle; and a pin depressing roller idly 1n0nnt ed on said axle whereby said roller may depress said pins successively when said housing is caused to rotate by means of a rotating pile. In Witness whereo'i I hereunto subscribe my name this 7th day of Decei'nber, 1927.

GEORGE A. COLMAN.