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Publication numberUS782388 A
Publication typeGrant
Publication dateFeb 14, 1905
Filing dateFeb 15, 1904
Priority dateFeb 15, 1904
Publication numberUS 782388 A, US 782388A, US-A-782388, US782388 A, US782388A
InventorsByron G Goldsmith
Original AssigneeByron G Goldsmith
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Finger-hold for penholders.
US 782388 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

l PATENTED PEB. 14, 1905. MITH.


PEB. 15. 1904.

No. 782,888. y

FINGER H0 APPLIGATI l l i Y i i the finger-hold of soft rubber.


Patented February 14, 1905.



SPECIFICATION forming part of Letters Patent No. 782,888, datedFebruary 14, 1905.

Application filed February 15, 1904. Serial No. 193,701. i'

T0 all ww'nt 716 r11/(ty concern:

Be it known that I, BYRON B. GoLDsMrrH, a citizen of the United States, residing in the city and State of New York, have invented a new and useful Improvement in Finger-Holds for Y It has heretofore been proposed, with a viewY of attaining the objects at which I aim, to construct finger-holds for penholders of cork; but these have been found unsatisfactory by reason of their comparatively unyielding character. It has also been proposed to build Now a fingerhold of a solid cylinder of soft rubber without any core of rigid material on the inside is impracticable, since it wabbles in writing. It has therefore been proposed to build penholders with a solid core or ferrule, which supports and prevents lthe wabbling of the pen,

and to surround this core or ferrule with a' soft-rubber finger-hold Yin the form of a tube. Since, however, the body of the surrounding soft-rubber tube could have nol great thickness in a radial direction and since soft rubber at best is not very elastic, such soft-rubber finger-holds have been found not to present the requisite elasticity to serve the purposes desired by me. Finally, it has been proposed to make the finger-hold of a soft-rubber sheath inclosing an undivided bulk of air between the rubber sheath and the penholder; but this construction has the disadvantage that the fingers of the user displace the air from the very point at which the fingers rest, thus practicallyh permitting the fingers to come into contact with the rigid material of the penholder with nothing but a thin sheath of'rubber between them.

Now I have found that I can construct a linger-hold of soft rubber having a comparatively thin body and incasing a rigid and unyielding ferrule or core which nevertheless presents the necessary amount of elasticity and yield to the fingers of the writer. This I have accomplished by constructing the softrubber sleeve which surrounds the rigid ferrule or core with a number of inwardly-extending longitudinal ribs separated by airspaces, the inner surfaces of which ribs lie against the outer surface of the ferrule. this way the fingers of the writer in grasping the penholder are not permitted to get the feel of the rigid ferrule, being held away therefrom not merely by the material of the soft-rubber sleeve, but also by the material of the inwardly-extending longitudinal ribs formed thereon. On the other hand, the {ingers of the writer receive a far greater irnpression of softness and are permitted to wield the pen in a more elastic manner because 4of the air-spaces between the inwardly-extending ribs.- In this way I have obtained a softrubber finger-hold which is more pleasing and grateful to the touch than the previous types above referred to. y

In the drawings, Figure 1 is a longitudinal section of a penholder embodying my invention. Fig. 2 is a cross-section on the line 2 2, and Fig. 3 is a longitudinal section of a modication,

While my finger-hold may be applied to penholders of various constructions, I have shown in Fig. l, to EX ideas, a holder in the form of a stem A, having a tenon A', over which is slipped the rigid core or ferrule B, having fastened in the outer end thereof the usual penholder-'clip B. The soft-rubber sleeve C has been shown molded thickest at the end nearest the pen; but the particular shape of the outer surface of the sleeve O is not of vital consequence. On its inner surface the sleeve O is provided with a series of longitudinal ribs O', separated by air-spaces. The ends of these air-spaces are inclosed by the extensions O2 of the sleeve. For the purpose of giving greater elasticity where it is most needed I have made the air-spaces between the ribs of an increasing radial depth in the direction toward the pen-point. Stating this in another way, I have madethe ribs C of greater depth', measured in a radial direction, near the penpoint than near the tenon A. In this way I have constructed a finger-hold which, de'spite the small thickness of' soft rubber at my disposal around the rigid core or ferrule, has nevertheless that elasticity and yielding character which makes writing easy. The writing possesses the firmness which is due to the rigid core or pen-support and the elasticity which is due to the action of the ribs and airspaces, and this without unduly tiring the lingers.

In Fig. 8 I have shown a modification in which the inwardly-extending ribs are annular in shape. Such inwardly-extending annular ribs may manifestly also be used in connection with inwardly-extending longitudinal ribs if a great degree of' softness be not desired.

I claiml. A penholder comprising a rigid core for holdingvthe pen, and a soft-rubber sleeve having a series of' inwardly-extending longitudinal ribs, of' increasing depth toward the forward end ofthe holder, with air-spaces between, substantially as described.

2. A penholder comprising a rigid core for holding the pen, and a soft-rubber sleeve having a series of' inwardly-extending longitudinal ribs and annular ribs, with air-spaces between which increase in depth toward the forward end of' the holder, substantially as described. Y

3. A penholder comprising a rigid core and asoft-rubber sleeve fitting the core and divided into air-spaces which gradually increase in depth from the rear end forwardly', substantially as described.

In testimony whereof I have signed my name to this specification in the presence of' two subscribing witnesses.




Referenced by
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US5000599 *Jan 5, 1987Mar 19, 1991Boyd I. WillatWriting implement
US6019533 *Jul 29, 1998Feb 1, 2000Eversharp Pen Co.Grip accessory, writing instrument and a method for enhancing comfort in a gripped surface
US6019534 *Oct 8, 1998Feb 1, 2000Heins; Janice L.Gripping device for a hand-held implement
US6203225Sep 29, 1998Mar 20, 2001Sanford, L. P.Writing implement having an ergonomic grip
US6591456Jul 9, 2001Jul 15, 2003Bic CorporationCushioning device
US6648535 *Feb 27, 2001Nov 18, 2003Daniel A. Ferrara, Jr.Cushioning element
US6725505 *Aug 13, 2002Apr 27, 2004Willat Ergonomic TechnologiesDeformable grip for a manual implement
US6779937 *Oct 2, 2003Aug 24, 2004Lombardi Design & ManufacturingAccessory grip for elongate instrument
US6793426Oct 1, 2003Sep 21, 2004Sanford L.P.Deformable grip with motion indicator
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US7004655Sep 30, 2003Feb 28, 2006Ferrara Daniel ACushioning element
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US20070154253 *Jan 3, 2006Jul 5, 2007Kotobuki & Co., Ltd.Writing instrument
US20100212453 *Aug 26, 2010Rouillard BenoitVibration reducing grip and connector
USD436622Nov 15, 1999Jan 23, 2001Advance Watch Company Ltd.Writing instrument with flashlight and/or bulbous grip
USD477022Aug 24, 2001Jul 8, 2003Advance Watch Company, Ltd.Writing instrument
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WO2003015588A2 *Aug 13, 2002Feb 27, 2003Boyd I WillatDeformable grip for a manual implement
Cooperative ClassificationB43K23/004