US1800702A - Locking device for fudge mandrels - Google Patents

Description

April 14, 1931.

H. E. SLOAN 1,800,702

LOCKING DEVICE FOR FUDGE MANDRELS 2 Sheets-Sheet 1 Filed Sept. 1, 1928 INVENTOR:

April 14, 1931- H. E. SLOAN 1,800,702

LOCKING DEVICE FOR FUDGE MANDRELS Filed Sept. 1, 1928 2 Sheets-Sheet 2 (fig/ 5 5Z0a79 W ATTORNEY.

INVENTOR:

Patented Apr. 14, 1931 PATENT OFFICE HARRY ELLWOOD SLOAN, OF PITMAN, NEW JERSEY LOCKING FOR F'C TDGE MANDRELS Application'file'd September 1, 1928. Serial No. 303,395.

This invention, stated in its broadest terms, relates toprinting presses and has more especial relation-to meansfor securing a' fudg-e typeturtle or quick or late news de vice to the fudge mandrel.

In practice a mandrel is arranged to contain one or more fudges, type turtles, or quick or late news devices, as they are called. For explanation purposes,the term fridges will beemployed. These fridges inpractice have been held in place by a movable head or nut upon one'end ofthe mandrel. According to this practice the heador 'nut is loosened sufiiciently to become disengaged from the fudges so that-thelatter may be removed from the mandrel. In the connection it is to benoted that with the release of one fudge, all the fudgeswhich may be upon the mandrel are simultaneously released. This'is' abad feature because it is not always desirable t remove all-oi. the fudges atone time, and further the screwing and unscrewing of the head or nut witlrasoc'ket wrench as now practiced takes considerable time. Again, the changing of fudges according to the practice above described often resultsin press starting with the'fudges loose on the mandrel with resultant damage to the fudges, blankets,- and other parts.

The leadin object of the present invention isto overcome the above'described disadvantages and provide a fudge mandrel having afixed head and individual locking devices for the fudges associated with the head;

A further object of the presentflinvention is to providea construction of the character stated whereby there is materially reduced the'time for removing a fudge or fudges which is an important item in newspaper work to which this invention is particularly adapted. 5 l

A further object of the present invention is to provide a construction of" the character stated inwhich a'm'aximum degree of safety is provided-in the individual locking of fudge's.

A furtherobject'of the present invention is to provide'adevice of the character stated which is simple in'structure', efiicient in use,

and which may be inexpensively manufactured and employed upon press mandrels now in use.

A still further object of the present inven-' tionis to provide a device of the character stated in which the mandrel head is fixed and in which end-wise shiftable and cushioned individual clamping means are provided for operation by a removable handle.

Other and further objects of the present invention reside in the provision of general details of construction and in the arrangement and combination 'of'parts for attain ing the results sought by the foregoing ob ects.

The invention consistsof the novel construction hereinafter described and finally claimed.

The nature, characteristic features" and scope of the invention will be more fullyun derstood frem the following description taken in connection'with the accompanying drawings forming part hereof, and in whih'i Fig. 1, is a view of a fudge mandrel having a head and its parts thereon embodying the invention.

Fig. 2, is a view inend'elevation of Fig. 1.

Fig. 3, is a View, drawn upon an enlarged scale, inllongitudinal section'of certain of the parts shown at the'right hand side of Fig.

and

Fig. 4-, is a top or plan view of Fig. 3.

For the purpose of illustrating my inven tion I have shown in the accompanying drawings one form thereof which is at present preferred by me, sincethe same has been found in practice to give satisfactory and reliable results, although it is to be understood that the various instrumentalities of whichin'y invention consists can be variously arranged and organized, and that my invention is not limited to the precise arrangement and organization of the instrumentalities as herein shown and described.

Referring now to thedrawings in detail, the reference numeral 1 designates a conventional fudge mandrel exteriorly screw thread ed at one endas at 3.; In practice this man'- drel is of hollow formation; Peripherally considered the mandrel isprovided with'a series of pins designated 4, the purpose of andar-ranged around the head in concentric relation therewith are a plurality of endwise shiftable'plungers' 7 bevelled upon their un'- der faces as at 8, and movable through'the' counter-sunk portions 9 of the fixed head 5.

These end-wise shiftable plungers are -ar-- ranged in palrs, see F 1g. 2, one pair being arranged to locl: a single'fudge, as will hereinafter appear.

As each pair ofplungers and companion parts areof duplicate structure, a description ofone pair will suffice. i

. Extended from each of a pair of end-wise shiftable plungers. is a longitudinally disposed rod 10, see Fig. 3, movable through a longitudinal opening in the fixedhead 5 and each rodis provided at itsouterend with a reduced portion 11 which passes through an aperture in heade The fixed head 5 is provided witha shoulder 12 for each opening through which the rod passes, and a spiral spring is interposed betweeneach shoulder and the inner end of an endwise shiftable plunger 7 In order to prevent these endwise shiftab-le plungers 7 and their rods 10 from moving about their horizontal axes each plunger 7 isprovided with a fixed pin 13 movable in a longitudinal groove 14 in the fixed head 5. Spanning a pair of end-wise shiftablerods 10 is an arched plate 15 which is loosely mounted upon the reducedends 11 of said rods. Each plate is prevented from displacement from a rod 10 bymeans of castellated nuts 16 and cotter pins 17, the nuts engaging the screw-threaded, reduced parts 11 ofrods 10. V I

The 7 reference numeral 18 designates a fudge orthe like, one'ormore ofwhich are employed in practice upon a mandrel, the mandrel shown being equipped to hold six fudges in the present case.. One end-of a fudge abuts'against an annular flange (not shown) of the fudgemandrel, as is wellune derstood in the art. The opposite end of a conventional fudgeis-v somewhat tapered at 19,=andcentrally apertured as at 20. p In positioning a fudge upon the mandrelthe aperturned portion 20 thereof is fitted over apin 4, previously referred to, upon the mandrel. The pinsi lserve as positioning andsteadying parts for the fudges. With afudge thus positioned the pair of spring impelled plungers which have been manually shifted tojthe' right I in Fig. 8, are released and force their bevelled faces '8' against the bevelled face 19 of the fudge. This provides a very practical, efficientand convenientlooking device for fudge mandrels and-alsop'rovides a device which memos may be very quickly operated. To release a fudge use is made of a handle 22 having a bevelled face 23. In practice the bevelled face 23 of the tool 22 is inserted'between the outer face of the fixed head 5'and the inner face of a plate 15 and the handle22 forced or wedged inwardly between the plate and the fixed head, thus, causing the end-wise shiftable plungers to move outwardly against the action of the springs 25 and clear the bevelled part 19 of the'fudge.- sf 1 From the foregoing description it is ob vious that the above described locking device may be employed for the very quick removal of fudges' from a fudge mandrel, and that because each fudge is individually locked-to place upon a mandrel little orno'danger is present of'the press being started with loose fudges upon the mandrel as has heretofore been the custom. ;I-Ieretofore the end of a fudge was clamped by a screw passing through opening 20 andconstant screwing and'unscrewing of screws-to, center a fudge resulted in the screw threads in the mandrel wearing out and a plug introduced and re threaded. By use of the fixed aligning or centering pins 4, as at presentemployed, this disadvantage 1s overcome and much time is saved.

I am aware that the invention may be embodied in othe specific forms without departing from the spirit or essential attributes thereof, and I thereforedesire thepresent embodiment to be considered in all respects as illustrative and not restrictive, reference is"? being had to the appendedclaimsrather-than to the foregoing description to indicate the scope of'the invention.

What I claim is 1. In; combinationa rotary fudgeman- 11:4,.

drel, a head fixed to said mandrel, a fudge including a baseplate, means fordetachably clamping saidfudge'upon said mandrel, said means including a spring pressed plunger carried by said head, the inner end of said plunger overlying the fudge base plate in clamped position of said fudge, means for moving said plunger end-wise, out of engagement with the fudge,- and longitudinally shiftable spring pressed means for retracting said plunger.

- 2. In combinatio a rotary fudge mandrel, a head fixed tosaid mandreha fudge-including a baseplate, means fordetachabl-y clamp ingsaidqfudge' upon said mandrel, said means including a ing a base plate, means for detachably clamping said fudge upon said mandrel, said means including a spring-pressed plunger carried by said head, the inner end of said plunger having a bevelled portion for overlying and engaging a similar part of the fudge base plate, means for moving said plunger endwise out of engagement with the fudge, and longitudinally shiftable spring pressed means for retracting said plunger.

4. In combination a rotary fudge mandrel, a head fixed to said mandrel, a fudge including a base plate, means rotative with the head but non-rotative'about its longitudinal axes for detachably clamping said fudge upon said mandrel, said means including a springpressed plunger carried by said head, the inner end of said plunger overlying the fudge base plate in clamped position of said fudge, means for moving said plunger end-wise out of engagement with the fudge, and longitudinally shiftable spring pressed means for retracting said plunger.

5. The combination of a rotary mandrel, a fudge including its complemental bevelled base plate positioned on said mandrel, a head fixed to and rotatable with the mandrel, a plunger the inner end thereof having a bevelled under face carried by said head and movable into engagement with the fudge base plate with the bevelled part of the plunger overlying the bevelled part of the fudge base plate in clamped position of said fudge, a spring for pressing said plunger toward the mandrel, and means for retracting the plunger.

6. The combination of a rotary mandrel, a fudge including its complemental base plate positionedon said mandrel, a head rotatable with the mandrel, a plunger carried by said head and movable into engagement with the fudge base plate in clamped position of said fudge with the plunger overlying one end of the fudge, a spring for pressing said plunger toward the mandrel, a plate detachably carried by said plunger, said plate being arranged with respect to said head for insertion of a tool between said plate and the outer face of the head for retracting the plunger.

7. The combination of a rotary mandrel, a fudge arranged upon the mandrel, a fixed pin upon the mandrel to center said fudge, a head rotatable with the mandrel, a pair of radially disposed spring-pressed plungers arranged opposite the fudge and movable into engagement with the fudge with the free ends of the plungers overlying the fudge,

and means for moving said plungers away from said fudge.

8. In combination a rotary mandrel, a fudge arranged thereon, means fixed upon the circumference of said mandrel to center said fudge, a head fixed to said mandrel and longitudinally bored to receive a pair of plungers, each plunger having a bevelled face at one end and a stem pro ected from its other end, a spring to maintain said plungers in engagement with a fudge, and a plate spanning a pair of stems, said plate being arranged with respect to said head for the insertion of a tool between the opposed faces of said head and plate for causing retraction of the plunger.

9. In combination a fudge mandrel, a fudge arranged thereon, a head fixed to said mandrel and longitudinally bored to receive a pair of plungers, each plunger having a bevelled face at one end and a stem projected from its other end, a spring to maintain said plungers in engagement with a fudge, a plate spanning a pair of stems, said plate being arranged with respect to said head for reception of a tool between the opposed faces of said head and plate for causing retraction of the plunger.

HARRY ELLWOOD SLOAN.

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