US2306615A - Fastener and cutter-actuating device - Google Patents
Fastener and cutter-actuating device Download PDFInfo
- Publication number
- US2306615A US2306615A US355883A US35588340A US2306615A US 2306615 A US2306615 A US 2306615A US 355883 A US355883 A US 355883A US 35588340 A US35588340 A US 35588340A US 2306615 A US2306615 A US 2306615A
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- US
- United States
- Prior art keywords
- strip
- cutter
- fastener
- recess
- plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F7/00—Nailing or stapling; Nailed or stapled work
- B27F7/02—Nailing machines
- B27F7/025—Nailing machines for inserting joint-nails
Description
Dem 29, 1942. J. 'r. COOPER FASTENER AND CUTTER-ACTUATING DEVICE Fil ed Sept. 9, 1940 2 Shegts-Shet l J- Tcmvmon BY -g0$fPH4. jOPER lllllll h mm HTTORNEM 29,1942. J. T, COOPER I 2,
I FASTENER AND CUTTER-ACTUATING DEVICE Filed s tf 9, 1940 2 She'ets -Sheet 2 Arr TORNEY.
Patented Dec. 29, 1942 l i UNITED; STATE OFFICE DEVICE Joseph Cooper, Los Angeles, Calif.
7 Application September 9, 1940, Serial No. 355,883
5' Claims My invention relates to a fastener for cutting and drivin into desired material a corrugated fastener of a definite 'le'n'gthj An object of 'my invention is to provide such a device including means by which to feed corrug ated material in strip form into the machine, cut the strip into Tde'sired'fastener lengths and then drive the fastener into the desired material.
Another object of the inventionis to provide automatic feeding means for the corrugated material, to feed forwardly sufficient material for the next fastener. v
A'further object is to provide means that will use 'coiled, corrugated stock instead of cut lengths, in order to save the difference between the cost of coiled stock and cut lengths.
My invention also has for itsobjects to provide positiveness in operation, convenience in use, improved structure, economy of manufacture, greater speed of operation, relative simplicity and general superiority and serviceability.
The invention also comprises novel details of construction and novel combinations and arrangements of parts, which will more fully appear in the course of the following description. However, the drawings merely show and the following description merely describes one embodiment of the present invention, which is given by way of illustration or example only;
In the drawings, like reference characters designate similar parts in the several views.
Figure 1 is a plan view of an embodiment of my invention.
Figure 2 is a broken, side elevation, partly in section, of said embodiment.
Figure 3 is a broken, plan View taken on the line 3-3 of Figure 2.
Figure 4 is a transverse section taken on the line 4-4 of Figure 3. V
Figure 5 is a broken elevation of a portion of said embodiment.
Figure 6 is a horizontal section taken on the line 65 of Figure 5.
Figure 7 is an enlarged section taken on the line 1-'I of Figure 1.
Figure 8 is a vertical section, showing a portion of said embodiment in its driving positon.
Figure 9 is a View taken on the line 9-9 of Figure 2.
Figure 10 is a broken, perspective view illustrating the operation of the cutter actuating means.
Figure 11 is a verticalelevation, partly in section, illustrating a modified form of means for actuating the cutter.
Figure. 12 is a perspective view further illustrating the modified cutter actuating means.
Figure 13 is a View illustrating the extended, normally inop'erative'position of the driving head of the device.
Figure 14 is a broken, bottom view at an end of he base of the'em'bodiment.
Referring more in detail to the drawings, the reference number l5 indicates a base upon which the embodiment is mounted. The base I5 has at an" end thereof a circular-shaped aperture it, which may be diametrically extended, as shown at IT.
Mounted on: said end of the base I5 is a body member 18, which has a bore 19 alined-with the circular aperture 16in the base} The bore l9 and the aperture l6 are of'the same diameter and together provide means in which reciprocatesa cylindrical plunger 20. The plunger 29 has ahead 2| for actuating same. The plunger, at the. lower end thereoflhas'a cross-piece 22 embedded therein. The cross-piece 22 is substantially thelength of the fastener to be driven into the desired. material. The lower edges of the cross-piece 22. and the plunger 23 are flush with each. other. I "Faste'ned to the underside of the head 2| is a pair of pins 23 and '24 which loosely reciprocate in sockets and'26. .Coiled about the pins 23 and 24 are springs 21 and '28. "The lower ends of these springs abut against shoulders 29 and 33;in'the'socketsliiand 26'. The springs 2'! and 28--tend to, raise the head 21 to the broken line "position 3! in Figure 8, and as shown in Figure 13.
An abutment '32, for limiting the forward movement of the strip feed material, is arranged onthe body I8 and held in place by screws 33. .When. longer or shorter segments are desired to be cut from. the strip feed material 34, abutments projecting into the body l8 of different lengths maybe provided. A cutter mechanism for severing segments, such as shown at 35, from the strip 34, is indicated by a shearing blade 36. To actuate the shearing blade, a manually shiftable lever 31 is pivoted on the body at 38.
The opposite end of the lever 3'Ifrom its handle.
has abeveled' edge 39 that advances the cutter "blade 36 to its cutting position. A spring 49, which engages-a lug ll on the cutting blade 36, returns the cutterto its inoperative position. after' the cutter is released, by manually lifting the lever 31 to the dotted line position ,42 a pivoted and-slotted link arm 42* may be used on the sides 43 and 44 of the slide.
to limit the manually actuated movements lever 31.
A slide having sides 43 and 44 direct the feed material 34 to the cutting and driving positions. The base I and body H! are held together by any suitable bolts 45, 46.
To place tension on the feed material 34, to aid in feeding it to the cutting and driving mechanism, a coiled spring 41, which is mounted in the housing 48 on the head l8, has an end 49 of said spring fastened to a saddle 56 that rid-es A thumb piece 5| is arranged on the saddle '50 for withdrawing the saddle 50 against the spring tension, when applying the saddle in a new position with regard to the feed material. A spring urged pin 52 engages a corrugation (see Fig. '7) of the feed material 34 and maintains the saddle 56 and the corrugated material in fixed relative positions. The spring for urging the pin 52 is shown at 53, with a knob 54 for manipulating said pin.
Additional means for'advancing the feed material in a relation corresponding with the operation of the cutter and driving means comprises side plates 55 and 56. Arms 51 and 58 respectively connect the side plates with an oifset link 59, which link is pivoted to the head 2| and to the arms '51 and 58.
Fingers 60 are pivoted to the side plate 55, while fingers 6| are pivoted to the side plate 56. Springs 62 and 63 respectively urge the fingers '60 and 6| outwardly from the side plates and into engagement with opposite sides of the corrugated strip 34. The side members 43 and 44 have slots 64 and 65 through which the fingers 60 and 6| project, in order to engage the corrugated strip 34.
Downward movement of the head 2| causes the side plates 55 and 56 to move to the right in Figures 1 to 3. During this movement the fingers 60 and BI slip over the corrugations of the strip 34, against the relatively light pressure of the springs 62 and 63. Then when the head 2| is released, and the springs 21, 28 return the head 2| to its upward position, the link 59 draws the side plates 55 and 56 toward the body 8. During this latter movement of the side plates, the fingers 60, 6| grip the strip 34 and feed it forward into the device.
Figures 11 and 12 illustrate a modified form of cutter actuating means. In this modified construction, the cutter is shown at 66. A lug 61 is arranged similar to the lug 4| in the other form, whereby the cutter 66 may be returned by a return spring (not shown).
The rear end of the cutter 66 is beveled, as shown at 68. A similar bevel 69 is arranged on a downward operating bar 10. A spring 1| abuts the head 12 of the bar and tends to raise the bar, whereby to release the cutter 66 from its cutting position. The bar 10 may be manually forced downwardly in the cutting operation by any suitable means as, for instance, a hammer blow on its head 12. It is believed clear without further illustration that the spring 7| may be eliminated, if desired.
In the operation of my present device, strip feed material is inserted between the side members 43 and 44. The strip is inserted far enough forward in order that it may be gripped by the fingers 60 and 6|. The pin 52 is raised against the action of the spring 53 during this insertion of the feed material 34. When -rthe pin 52 is released, the spring 53 moves it into engagement with a corrugation of the strip 34.
Through the intermediary of the coil sprin 41, the saddle member 56 continually tends to advance the feed material. The positive forward advancement of feed material is insured by the fingers and 6| since they will directly connect with the head 2| and advance the feed material a predetermined amount during each operation of the head member 2 I.
The feed material advances until it touches the abutment 32. In one form of the cutter actuating mechanism, depression of the lever 31, and in the other form depression of the bar 10 causes the cutter blade to be moved to a shearing position, whereby to shear off the desired length of a fastener from the strip material.
Subsequently to the severing of the fastener from the strip, downward movement of the head 2| by a hammer blow or any machine operated pressure causes the cross-piece 22 on the plunger 20 to drive the severed fastener 35 into the material 15. It will be noted in Figures 5 and 8 that the plunger20 and cross-piece 22 may be depressed to a point below the base l5. This will countersink the fastener 35, as best illustrated in Figure 8. It isbelieved clear without further illustration that merely the cross-piece 22 may be arranged to project below the base l5 and that the plunger need not move below the lower surface of said base.
The severed fastener is held in an upright position, and is guided in the body under the plunger 20 and cross-piece 22, so that the fastener may be driven directly into the material therebelow.
While I have illustrated and described what I now regard as the preferred embodiment of my invention, the construction is, of course, subject to modifications without departing from the spirit and scope of my invention. I, therefore, do not wish to restrict myself to the particular form of construction illustrated and described, but desire to avail myself of all modifications which may fall within the scope of the appended claims.
Having thus described my invention, what I claim and desire to secure by Letters Patent is:
1. In a tool for handling corrugated strip material, a body member having a recess arranged to receive an end of the strip material, a sliding plate, a pivoted finger arranged on the plate to engage a corrugation of said strip material, spring means urging the finger pivotally into engagement with a corrugation of the strip material, driving means arranged on the body member to drive severed end portions of the material from the recess, and means connecting the driving means with said plate to reciprocate the plate, the finger slipping past the corrugated material against the action of the spring means upon movement of the plate in one direction and feeding the material forward with respect to the recess upon movement of the plate in the opposite direction, and other spring means engaging the strip material for tensioning the latter and aiding in the forward feeding movement of the material.
2. In a tool for handling corrugated strip material, a body member having a recess arranged to receive an end of the strip material, an element providing a feed channel for guiding the strip material and directing same into the recess, the channel member having a slot, a slide on said element movable with the strip and having a member extending through the slot and engag-' together, to feed the engaged strip material into the recess, and driving means arranged to drive severed portions of the material from the recess.
3. In a tool utilizing corrugated strip material, a body member having a plunger guide and a recess at the lower portion of said guide 'to receive an end of the strip, said guide having pin receiving apertures, a plunger movable downwardly in said guide for driving severed portions of the strip out of the said recess, a head on the upper end of the plunger, pins depending from the head into the apertures of,,the plunger guide, and'spring means around said pins between the head and portions of the guide for normally urging the plunger upwardly to inactive position.
4. In a tool utilizing corrugated strip material and including a plunger guide having a recess for receivingthe end of the strip and a plunger therein movable to force severed end portions of the strip from the recess, means for feeding the strip material into the recess including a guide channel member having an upper lengthwise slot, a carriage slidable on said guide channel member and having an upstanding portion, a pin vertically shiftable in said upstanding portion, a spring normally holding the pin in lower position with its lower end projecting into a corrugation of the strip material, and spring means mounted on the tool and engaging said carriage for normally urging the same toward the recess of the plunger guide.
5. In a tool utilizing corrugated strip material and including a plunger guide having a, recess for receiving an end of the strip and a plunger therein movable to force severed portions of the strip from the recess, said guide having a cavity at right angles to its recess, a spring controlled knife block movable in said cavity for severing the strip material at one side of the recess, and a' member movably mounted on a portion of the tool and having a cam end engaging the knife block for actuating the latter.
JOSEPH T.'COOPER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US355883A US2306615A (en) | 1940-09-09 | 1940-09-09 | Fastener and cutter-actuating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US355883A US2306615A (en) | 1940-09-09 | 1940-09-09 | Fastener and cutter-actuating device |
Publications (1)
Publication Number | Publication Date |
---|---|
US2306615A true US2306615A (en) | 1942-12-29 |
Family
ID=23399203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US355883A Expired - Lifetime US2306615A (en) | 1940-09-09 | 1940-09-09 | Fastener and cutter-actuating device |
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US (1) | US2306615A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2631283A (en) * | 1947-11-15 | 1953-03-17 | Jr Albert E Cranston | Board fastening machine |
EP0088053A2 (en) * | 1982-03-02 | 1983-09-07 | FIORENZA s.r.l. | Automatic seaming machine starting from a strip |
-
1940
- 1940-09-09 US US355883A patent/US2306615A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2631283A (en) * | 1947-11-15 | 1953-03-17 | Jr Albert E Cranston | Board fastening machine |
EP0088053A2 (en) * | 1982-03-02 | 1983-09-07 | FIORENZA s.r.l. | Automatic seaming machine starting from a strip |
EP0088053A3 (en) * | 1982-03-02 | 1984-03-28 | Officine Meccaniche Fiorenza Di Giacomet Corrado, Filipetto Antonio & C. S.A.S. | Automatic seaming machine starting from a strip |
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