All About Pocket Knives
The bolsters had a pin sticking out on the inside and it was pressed into a hole in the frame of the knife securing it. Colonials reason for this was to make it faster and easier to make knives as well as looking better because you cant see a pin through the bolster.
Colonial designed a machine that installed 2 bolsters at the same time. Flip the knife, add 2 more bolsters and a lever pull, boom. Bolsters finished and the knife was off for final sharpening and polishing. Here is how Antonio Paolantonio explains his invention. Heretofore, it has been customary to assemble the bolster on the liner plate and then secure the bolstered liner plates, springs, and pivoted blades together by passing a pin completely through the bolster and riveting it over the outer surface of the bolster.
This invention provides the assembly of the bolster as nearly the last operation and secures the bolster without a pin extending completely through both bolsters by utilizing a recess in the cover for the liner plate and a heading over of a projection which passes only through the liner plate and does not pass through the springs.
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Thus the bolster may be positioned as nearly a last operation after the remainder of the knife is assembled. One of the objects of the invention is to provide an assembly so that there is no need for piercing the bolster or the passing of a securing pin therethrough. Another object of the invention is to provide a construction so that the bolster may be assembled as substantially a last operation and hide the rivet which holds the remainder of the knife assembled.
Another object of the invention is to eliminate the grinding of the tips of the pin which heretofore was used to secure the bolster in position. B elow are the original patents. One of the objects of the invention is to provide an assembly so that there is no need for piercing the bolster or the passing of a securing p-in therethrough. The knife here shown comprises liner plates and 11 with an intermediate plate at 12 between the two liner plates.
Springs 14 and 15 separate the intermediate plate from the two liner plates and are secured in position at one end of the knife by a riveting pin 16 headed over as at 17 and 18 against the outer surface of the liner plates and passing through the intermediate plate and the springs.
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Prior to the assembly of the liner plates with the springs, the liner plates are equipped with covers 20 and 21 by reason of rivets 22 passing through the covers and the liner plate. As a further assembly of the liner plates with their covers and the springs, there is a rivet 23 which passes through the covers, liner plate, intermediate plate and springs securing the springs in fixed position. The opposite ends of the springs are left free, but there is a pin 24 which passes through the blades of the knife 25 and 26 pivoting them so that they are held in closed position or in open position when swung out from between the liner plates and intermediate plates against the action of the spring.
The covers 20 and 21 do not extend the full length of the liner plates, and the knife as thus far described would leave showing the heads of the rivet pins 16 and These heads and the ends of the liner plates are covered with the bolsters which in each case comprises a solid body 30 with a finger 31 extending from the edge thereof which is to be adjacent the end of the cover. The cover is recessed as at 33 FIG. A proturberance 35 extending from the inner surface of the bolster is also received in a hole 36 in the liner plate.
Thus, after the knife is assembled as above described, the bolster may be assembled by inclining the bolster at an angle to the liner plate FIG. The protuberance 35 may by reason of its engagement with the springs 14, 15 at the fixed end of the springs or some jig at the opposite end, when struck from the outer surface will cause the protuberance 35 to head over or rivet itself in the flared part 39 of the opening 36 so as to firmly secure the bolster in position.
By reason of this sort of assembly, the bolster may be positioned near the end of the assembly operation with no need for grinding off pins to hold it in position and no need of providing a hole in the bolster for the reception of such pins, thus providing a smooth unmarred outer surface of the bolster and yet one which is held securely in position. In a knife a liner plate having an opening adjacent one end, a rivet having a head that retains the plate in assembled position and said rivet is adjacent said opening, a cover over a portion of said liner plate terminating in an edge short of said rivet head, said terminating portion having an undercut pocket in the edge thereof extending from the edge away from said rivet head, a bolster secured on the uncovered end of said plate having a finger extending into said pocket and a protuberance extending into said opening in said plate and locked therein by having a riveted end.
In a knife as in claim 1, said bolster having on its inner surface a recess to receive said rivet head. In a knife as in claim 1 wherein said rivet head extends above said liner plate and said liner plate has a second opening adjacent said pocket permitting said bolster finger to enter said second opening and be swung into position into said pocket.
B elow are some pictures of Colonial knives I have with the pressed on bolsters. These knives were never finished being assembled so you can see very well how they worked. These came from the Colonial auction in I have tip knives made by Colonial with curved tang stamps that are known to be made between and A tip knife has no solid bolsters at each end like a lot of knives at the time.
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There were small hollow bolsters connected to each end of the metal plates in the body of the knife. The skeleton of the knife could be assembled and stored and a celluloid handle attached later when ordered. So basically Colonial said the benefits of this knife were ease of assembly, stronger than other knives of its type and it looked better to hide the rivets in this way.
I will also add pictures of Colonial tip knives from my collection. There are many typos, misspelled words and other weird things like funny old words included in the original patent. This is from the original patent. This invention relates to a knife of the character often referred to as a tip knife; that is, one in which there are no bolsters at the ends of a size adapted to receive rivets therethrough; and this invention has for one of its objects to provide a more rugged and stronger hinged mounting of the knife blade than heretofore provided in a knife of this character.
Another object of the invention is to conceal the rivets which are usually provided for holding the cover upon a knife. A further object of the invention is to provide a knife in which the cover sections may be held against separating from the metallic plate or scale portions over which they extend. Another object of the invention is to provide an arrangement whereby the cover sections will be assembled after the metallic portion of the knife is all assembled in relation so that the main body portion of the knife may be made up ahead of time and then covers assembled on the body portion of the knife in accordance with the choice of the customer to whom they were furnished.
Folding knives of the so-called tip type in which there are no bolsters of a size to receive rivets there through usually have the rivets extending through the covers which extend along the scale or outer plates of the knife body whereby the rivets hold the knife body as well as a cover in assembled relation.
The covers are usually of Celluloid or some non-metallic material which is rather soft and the rivet heads which engage these softer cover portions will permit of some relative movement of the assembled parts if some pressure is brought to bear upon the knife blade which is pivoted upon the end rivets of such assembly. Further, the rivets are somewhat unsightly, especially as they sharply contrast with the color of the cover section; and again, when knives are formed up in the above-mentioned manner, the covers are a part of the complete assembly and cannot be easily changed if a different colored cover is desired.
I further provide for the better holding of the cover in position by welding the opposite covers together against the metallic scales of the knife; and the following is a more detailed description of the present embodiment of the invention, illustrating the preferred means by which these advantageous results may be accomplished:. With reference to the drawing, Ill designates a center plate and II, outer plates or scales spaced ,from the center plate Il] by spacers I2 and I3.
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These spacers also serve as resilient or spring portions for assisting in holding the knife blades I4 and VI5 in different adjusted positions. The knife blades I 4 and I5 are pivoted upon a rivet I6 which extends through the plates and blades to hingedly mount the blades between the plates and also engages the end of each blade so as to hold the bladein either closed or open position in a usual manner.
The rivet Il extends through the plates and spacer at the opposite end of the knife and is headed over the metallic plates so as to hold them firmly in assembled relation. This unit assembly so far described may be made up ahead of time or in quantities, leaving the cover sections which are now to be described to be later assembled.
Each of the scales or plates ii consists of a sheet of stock in which the tip ends i9 are split and raised as at 2G so as to provide openings 2i beneath these tip portions. The cover, riesig nated generally 22, shown in Fig. This cover section is molded with fingers 23 at either end and a projecting portion 24 at its middle point which will be in such position that it may extend into the hollow rivet i8 above referred to.
These cover sections will be of Various colors and will be assembled onto the body of the knife in the color ordered by iiexing to draw the fingers 23 at the ends toward each other a distance sufiiicient to project them into the slots 2i in the scale and beneath the tips and then releasing to permit these sections to move back into a straightened position and by such straightening cause the fingers 23 to extend beneathf heat the knife at this location so that a welding v of the ends 26 of the projections li may occur, or I may so moisten the end portions of the projections 24 with a solvent that they will become softened and upon pressure forcing these two tips together, they will become welded for effectively becoming a single piece extending through the rivet i8.
One such solvent which may be used for Celluloid is acetone. In this manner, when the portions 24 become dried and hardened, the two cover sections will be held against movement apart or separation, and not withstanding changes in temperature which often affect Celluloid, the cover sections will be held firmly against the scales or plates Il and against separation or release therefrom, While at the same time covering the rivets making a more sightly appearance and enabling the rivets to engage the metal surfaces to better hold the parts against stresses which may occur.
The foregoing description is directed solely towards the construction illustrated, but I desire it to be understood that I reserve the privilege of resorting to all the mechanical changes to which the device is susceptible. In a tip knife, a plurality of metal plates, a spacer between said plates, rivets extending through said plates and headed over in contact with said plates, a non-metallic cover over said rivets hiding the same from View, means to secure said cover in said assembled position, one of said rivets being hollow, and said cover being provided with a non-metallic projection extending well into said hollow rivet.
In a tip knife a plurality of metal plates, a spacer between said plates, rivets extending through said plates and headed over in contact with said plates, non-metallic covers over said rivets hiding the same from View, means to secure said covers in said assembled position, one of said rivets being hollow, and means extending through said hollow rivet from opposite sides thereof to lock the covers together against outward movement. In a tip knife, a plurality of metal plates, a spacer between said plates, rivets extending through said plates and headed over in contact with said plates, non-metallic covers over said rivets hiding the same from view, means to secure said cover in said assembled position, one of said rivets being hollow, said covers being each provided with a projection to extend into said hollow rivet from opposite sides thereof and said projections being secured together.
The method of securing a non-metallic cover on a knife which consists in molding the cover in side sections with a projection on each section and welding said projections together through the knife to hold the opposite sections on each side of the knife. In a tip knife, a pair of outer metal plates, a spacer between said plates, rivets extending through said plates and headed over in contact with said plates to provide a unitary assembly,.
In a tip knife, a pair of outer metal plates, a spacer between said plates, rivets extending through said plates and headed over in contact with said plates to provide a unitary assembly, non-metallic covers on opposite sides of said riveted assembly over said rivets hiding the same from view, and means carried by eachplate to secure one of said covers in assembled relation thereto, said covers being integrally connected to each other by non-metallic material extending through said riveted assembly.
In a tip knife, a pair of outer metal plates each having each end portion thereof provided with a hollow integral outer tip with an opening extending thereinto, rivets securing said f plates in assembled relation, and a cover over said rivets and having end projections formed of the stock of the cover extending through said openings into said tips to assist in holding the cover over said plate. In a tip knife, a pair of outer metal plates, each having each end portion thereof provided with a hollow integral outer tip with an opening extending thereinto, rivets securing said plates in assembled relation, a cover over said rivets with the ends thereof extending through said opening into said tips to assist in holding the cover over said plate, one of said rivets being hollow, and said cover being provided with a projection formed of the same material as the cover and extending into said hollow rivet.
In a tip knife, a pair of outer metal plates, each having each end portion thereof provided with a hollow integral outer tip with an opening extending thereinto, rivets securing said plates in assembled relation, a cover over said rivets with the ends thereof extending through said opening into said tips to assist in holding the cover over said plates, one of said rivets being hollow, and non-metallic means extending wholly through said hollow rivet and fast to each cover to lock the covers together against outward movement.
In a tip knife, a pair of outer metal plates, each having each end portion provided with a hollow integral outer tip with an opening extending there into, rivets securing said plates in assembled relation, cover sections over said rivets and extending through said openings into said tip portions to assist in holding the covers over said plates, one of said rivets being hollow, said covers being provided with projections to extend into said hollow rivet from opposite sides thereof and said projections being secured together.
The method of forming a backing plate for a tip knife which consists of providing a metal iblank, splitting the stock adjacent the ends thereof and raising the portions of the plate extending from the splits to the end extremity of the plate to form a pair of hollow integral outer tips. The Model by Colonial was also a tip knife. This was a very popular knife due to all its use for the novelty character knives like Roy Rogers, Davy Crockett and many others.
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This is an exciting find. I have had the advertisement for this knife for years but never expected to find one.
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