US2908075A

US2908075A - Budding implement

Info

Publication number: US2908075A
Application number: US586458A
Authority: US
Inventors: Calandra Vincent
Original assignee: Individual
Current assignee: Individual
Priority date: 1956-05-22
Filing date: 1956-05-22
Publication date: 1959-10-13
Anticipated expiration: 1976-10-13

Description

Oct. 13, 1959 v. CALANDRA BUDDING IMPLEMENT v Filed, May 22, 1956 INVEN TOR. Vmceni Calcmdm,

- ATTORNEY.

United States Patent 2,908,075 BUDDINGJMFIQEMENT I Vincent Calandra, Buffalo, NY. Application May 22, 1956, Serial N5. 586,458

1 Claim. ci. ,s i2'1f) This invention relates to an improvement in budding implements and specifically to an improvement upon the implement shown in my prior Patent No'.-'1;423,49l of July 18, 1922. t

The principal object is to provide a novel blade holding means which is more economical inmanufacturefand more practical in use in that it enables the readyapplication of safety razor blades of a well known and inexpensive form in securely clamped relation, the blade holding means delimiting a crotch to which the'arrangement of the blades conform.

The implement includes a handle by which it may be manipulated. A further object is a novel arrangement of the handle with reference to the blade holding features whereby a dual manipulation may be effected, one operation for severing a bark section and a following operation for slitting the severed section, the handle for the purpose of the second operation having a suitable cutting edge at its free end.

In the accompanying drawing:

Figure 1 is an exploded perspective view showing the parts of the implement.

Figure 2 is a central longitudinal sectional view.

Figure 3 is a detail section on the line 33 of Figure 1.

Figure 4 is a schematic perspective view showing the operation of forming a slit in the severed bark section to enable its removal from the limb or vine.

The implement comprises a pair of opposed companion blade holders 1 and 2. The blade holder 1 is of V-shaped outline and includes a pair of divergent forwardly extending coplanar arms 3 of rectangular outline which delimit a crotch 4, the arms being integrally connected at their inner ends by a bow portion 5. The handle 6, which is preferably integrally formed with the bow portion, extends rearward in alinernent with the center line of the crotch 4 and its outer end is sharpened to a rounded edge 7, the sharpness not being such as will involve liability of cutting the fingers but sufiicient to enable a longitudinal slit to be readily formed in the previously severed bark section. The blade holder 2 is similar in form and dimensions to the blade holder 1 and includes a pair of divergent coplanar arms 8 integrally connected at their inner ends by a bow portion 9 and delimiting a crotch .10.

The blade holders are mounted in suitably spaced relation with their arms in confronting relation in parallel planes and their crotches in alinement. For their mounting a transverse bar 11 preferably of flat sided cross section, e.g. square, is provided. 1 The bar 11 is integrally connected with the blade holder 1, and extends laterally from the bow portion 5. The blade'holder 2 is formed with a sleeve 12 which extends through the bow portion 9 and is shaped cross sectionally to conform to the cross section of the bar 11. The sleeve 12 has a slidable fit upon the bar 11 in order that the blade holder 2 may be positionally adjusted relatively to the blade holder 1 according to the length of the section of bark which is to be removed. In order that the blade holder 2 may be fixed in the position to which it is adjusted a screw 13 is provided which is tapped through an opening in a wall of the 1 shown in Figures 1 and 3. The suitable extent of the projectionof the cutting edges of the blades is such'that the blades willinany case cut through the bark but will not penetrate the wood to an extent which will cause damage, the degree of penetration of the blades being 'l irnited by the engagement of the limb from which the graft is tobe taken againstabutments constituted by the mnr'edges 'of the

arms

3 and 8. The cutting edges of the blades of each companion pair project in opposed relation into thecrotchesto an extent not greater than theextent of the bevelled surfaces of the blades and the the edges of the opposing blades.

abutments constituted by the inner edgesof the

arms

3 and 8 adjoin the bevelled surfaces of the blades, damaging penetration of the wood of the limb thereby'being posi'- tively prevented. Blades of this character are economi cal to purchase and their outer edges are provided with shields which will prevent injury to the fingers. The blades may be applied to either the inner faces or the outer faces of the arms but are preferably applied to the outer faces as shown in the drawing. The blades are secured in position by screws 16, preferably three for each blade, which extend through openings in the blade and are tapped through openings in the arms, the heads of the screws acting with clamping effect upon the blades whereby they are securely backed by the arms to which they are attached.

The severed bark sections do not substantially exceed an inch and a quarter in length and in many cases may be I less than an inch in length, their length depending on the spacing of the blade holders as determined by the positional adjustment of the blade holder 2 upon the bar 11. In making the graft bark sections are taken from the limb to which the graft is to be applied and from the limb which supplies the graft. In this operation the limb is brought into the crotches 4 and 10 until it is engaged by Thereupon, the operator exerting a slight forward pressure to cause the blades to penetrate the bark as far as the wood, the implement is turned through 360, thereby to sever the bark. When this has been done the implement is withdrawn and its position relatively to the limb is reversed and the sharpened edge 7 at the free end of the holder is thereupon pushed into the severed section of the bark as shown in Figure 4. In this position of the edge 7 the implement is moved throughout the length of the severed bark section to form a longitudinal slit which enables the severed section to be peeled from the wood.

The section which serves as the graft should be taken a from a limb of somewhat less diameter than the limb to which the graft is to be applied in order that with the graft applied the edges of its slit will bev mutually and between the graft and the wood in order to prevent g-umming and to insure a clean graft.

The position ofthe handle 6 in attached relation to the blade holder 1 allows ample space for the secure gripping of the handle by the fingers when the edge 7 is used to form the slit in the severed section.

=It will be noted that the edge 7 is the apex of two converging faces 15 of gentle concave curvature at the ends of the handle. By forming the edge 7 in this manner the implement may be lfsed tojprize the edges of the severed bark section adjacent the slits from the Wood to an extent V coplanar flat surfaced diverging arms and a bowportion integrally connecting the arms at their inner ends, the

: "tapped ifito the openings in the aims, 'the screws having heads to engage the blades and the blades being clamped by the screw heads upon'the adjacent flat faces of the arms, a bar formed integrally with one of the bladeholders and projecting laterally from the bow portion thereof, a handle carried by the bow portion of one of the blade holders projecting from the side of the bow portion opposite the side from which the blade holders project, the

handle being in alinement with the center line of the arms of each' blade holder delimiting a -crotch, blades:

positioned against corresponding flat faces of the gums and. having cutting edges in opposed relation,-the bla'dfes; projecting into the crotches beyond the arms, the cutting edges of each blade being formed=by at least one bevelled surface and the extent of projection of the blades into, the crotches being not-greater than the extent of the;

bevelled surfaces, the inneredge faces-of theoppo'sed arms providingabutments parallel to the=euttingedges of the associated blades and which adjoin the bevelled sur faces of the blades, the abutments by engagement with the limb from which the graft is to be taken positively limiting the penetration of the blades into the limbpthe blades having openingsand the arms havingthreaded openings registering with the openings in the blades, screws-extending through :the' openings in the blades and,

crotch formed bythear ms of the adjacent blade holder, one of theblade holders being positionally adjustable relatively to the companion blade holder and formed with a slee've@Whidh isslidably, fitted vupon the :bar, :and a screw tapped through the sleeve and engaging the barto secure the positionally adjustable blade holder against movement, the pairs of arms of the companion blade holders being spaced from one another in confronting relation in parallel planes and the crotches being'in I RefeieneesICitedi-inithe file this t f 1 UNITED STATES PATENTS 664,112 Nelson -nee. 1s, .1900. 1,423,491 'Ca landra 'Ji11 618, 19 22 2128572 Lofgren ."Ian 14, 124ll i FOREIGN PATENTS, it

863,301 France Jan. 2,, i941