US2973602A

US2973602A - Handle and cover construction for calculating machines

Info

Publication number: US2973602A
Authority: US
Publication date: 1961-03-07
Anticipated expiration: 1978-03-07

Description

March 7, 1961 J. M. NESSEL HANDLE AND COVER CONSTRUCTION FOR CALCULATING MACHINES Filed March 7, 1958 3 Sheets-Sheet 1 if ll II II II I! I! II I! III-Int! v! I! I:

March 7, 1961 J. M. NESSEL 2,973,602

HANDLE AND COVER CONSTRUCTION FOR CALCULATING MACHINES 3 Sheets-Sheet 2 Filed March 7, 1958 5 5 r i Q s 3 Sheets-Sheet s March 7, 1961 J. M. NESSEL HANDLE AND COVER CONSTRUCTION FOR CALCULATING MACHINES Filed March 7, 1958 3 Q w 3 I, 8 I, x E

i This invention'relates qto calculating-listing machines which include a. keyboard for entering factors of a .cal-

United States Patent -O 2,973,602 Patented Mar. 7, 1961 it is disclosed in conjunction withthe wen known and commercially available Clary adding machine which is generally disclosed and claimed in the R. E. Boyden Patent No. 2,583,810, issued on January 29, 1952. Accordingly, only those portions of the ,machine which directly cooperate withfor form part of, the present ina 1 vention are disclosed herein and reference may be had 'culation and a printer located at the rear of the keyboard for printing factors and results of a calculation performed by the machine.

Machines of. the above type are generallyfconsider'etl portable and are intended to-be carried from one place or'desk to another. Although such machines arenormally light enough for. most persons to carry about, their shape is such that they are awkward to carry, normally requiring a person to use both hands in order to.transport them.

to'the above patent fora complete disclosure of the machine proper. 7 1

The machine, in general, comprisesspaced

side frame plates

10 and 11, held in rigid'zspaced relation by

cross braces

12, 13 and 14. r c

A keyboard, generally indicated at 15, comprises a plurality of depressible amount entry and controlkeys carried by a key frame, 16 suitably secured (ina manner not shown) between the machine side plates.

A printer, generally indicated at 17, is incorporated in the machine and comprises a plurality of type wheels 18 carried on arms 19 pivoted upon a printer control shaft 20. 1 During a printing phase of a machinecycle, the arms 19 are swung clockwise to carry the type wheels 18, which havebeen rotatably set to present appropriate Although carrying cases having handles thereon are often utilized to carry such machines, the cases are often misplaced-since they are only used when the machines are to beca'rried. Also, such carrying cases are generally considered a nuisance because the machines must be inserted. therein before carrying and must there- 5' after be removed in order toeffectively operate the machines; In those instances where a machine; is to be moved only-a short distance, as from one desk to another, the use of a carryingcase is not warranted.

a It therefore becomes a principal object ofthe present type characters thereon ,to a printing line, into contactwith a printing ribbon 22 and a paper tape 23 fedover a platen 24. a

The

cross braces

12 and 13 of the machine frame rest on bosses, Le. 25 and 26, formed in an .A-brace 27.

Bolts 28 each extend through ,an enlarged hole '30 in theass ociated boss and is threaded in a nut 31 welded to the upper surfaces of the respective cross brace.

. The A-brace has three upwardly extending brackets invention to facilitate carrying of a calculating-listing machine of the above type. a

Another object is to arrange the housingof a calculating machine of the above type to form a handle permitting a person to conveniently carry the machine by one hand. a v

Another object is to arrange a calculating machine housing to form a handle permitting carrying of the machine in its normal operating attitude.

The manner in which the above and other objects of the invention are accomplished will be readily under stood on reference to the following specification when read in conjunctionwith the accompanying drawings,

- wherein: a

Fig. l is a sectional elevation view of a calculatinga listing machine embodying a preferred form of the present invention and is taken substantially along the line 1-1 of Fig. 5

Fig. 2 is a transverse sectional view of the upper housing part and is taken substantially along the line 2-2 of Fig.1.

Fig. 3 is a transverse sectional view through the forward portion of the machine and is taken substantially along the line 3-3 of Fig. 1.

a Fig. 4 is a transverse sectional view, with parts broken away,- taken through the rear portion of the machine and is taken substantially along the line 44 of Fig. 1.

Fig. 5 is a sectional plan view of the machine and is taken substantially along the line 55 of Fig. l.

Fig. 6 is a fragmentary sectional view, similar to that of Fig. '1, illustrating a modified form of the present invention. I a

Although the housing and handle construction comprising the present invention may be used in conjunction with any form of portable calculating-listing machine,

32, 33 and 34 which terminate in horizontally extending U-shaped projections 35; The latter are embedded in olocks36 of rubber or, other resilient material.

Metal plates

37 and 38 arelocated on opposite ends of each 'block of resilient material to retain the same in place. The outer ends of the U-shaped "projections are slit, forming tabs, i.e. 40, which. are bent outwardly to retain the A-frame in placeon the resilient blocks.

Grooves areformed on opposite. sides of each block and are fitted in openings formed in upwardly extending brackets 41 formed on a bottom housing part 42, surrounding the lower portion of the machine, whereby to 'resiliently'support the machine on the bottom housing P -i A top housing part 43, surrounding the upper portion of the machine, is provided with a ledge 44 fitted over the sides of the bottom housing part 42.

The keyboard 15 extends through an opening in the housing part 43, the latter having secured thereto a key board plate 39 fitted in this opening and closely surrounding the tops ofvarious keys in the keyboard.

It will be noted that the printer 17 is located to the rear of and at a higher level than the keyboard 15. Ac-

cordingly, the upper housing part 43 is extended upwardly to form a printer cover 45 surrounding the printer. The cover 45 is separate from the remaining portion of the upper housing part proper and is hinged thereto at 46 to enable access to the interior of the upper portion of the machine for servicing, etc.

A spring detent 47 carried by the cover is engageable with a stud 48 on the upper housing part whereby to detent the printer cover in place.

The top of the printer cover 45 lies coextensive with a bridge 50 defining an upwardly extending wall between the keyboard and the printer frame and having an opening 51 therein. The bridge forms a handle permitting a person to grasp the same with one hand and thus transport the machine without having to move it from its normal operating attitude.

The cover 45 has an opening in the top thereof aligned with a dust cover 146 pivotally supported at 147.

purposes. The sides 52 of the bridge flare outwardly and downwardly as seen in Figs. 1 and 2 to retain sufficient strength while tapering to a thickness approaching the general thickness of the up'per'housing part.

The keyboard plate 39 is deflected upwardly at 53, terminating adjacent the top wall of the printer cover where-by to permit one to place his fingers under the bridge to carry the machine while shielding them'from the operating parts of the machine.

The upper housing part 43 is normally held over the bottom housing part 42 by front-and rear latching de vices, generally indicated at 55 and 56, respectively. The rear latching device, 56 comprises a bail 57 (Figs. 1 and 4) whose inwardly extending ends 58 are journaled in bearings formed in the rear bracket 41 of the lower housing'part. The bail is arranged, to be swung over projections 60 formed on a hinged piece 61 comprising part of the hinge 46. Upon opening the printer cover 45, access may be had to the bail 57 to latch or unlatch the rear portion of the top housing part.

The front latching device comprises a bail 62 (Figs. 1, 3 and whose opposite ends are extended outwardly to form journals pivoted in bearings formed in bosses 63 integral with the top housing. The bail 62, when in latching position, extends under a tongue 64 .in the lower housing part. When the bail is swung forwardly into an opening 65 surrounding the tongue, the forward portion of the top housing part is unlatched, permitting it to be removed.

Means are provided for facilitating adjustment of the machine and its keyboard in proper relation to the openings in the keyboard plate 39 and to other parts of the housing. For this purpose,,cross shaped openings 66 and 67 (Figs. 1 and 5) are formed in the cross braces 12 and 13 of the machine. Similar aligned openings are formed in the A-frame 27 and these are aligned with access openings 68 in the lower housing part. By loosening the clamp screws 28 and inserting a screw driver or other suitable tool in aligned ones of the cross shaped openings, the machine may be shifted in any desired direction relative to the housing, after which the 4 plate in a position covering the opening formed by the bridge, but allows the plateto be swung toward its full open position indicated by the dot-dash lines 70a when it is desired to lift the machine.

Although I have described my invention in detail and have therefore used certain terms and languages herein, it is to be understood that the present disclosure is illustrative rather-than restrictive andthat changes and modifications may be made without departing from the spirit or scope of the invention asset forth in the claims appended hereto. L

Having thus described my invention, what I desire to secure by United States Letters 'Patentisr l. A housing for a calculating machine or the like, said housing comprising a first substantially horizontal top wall portion, a second substantially horizontal top wall portion located rearwardly of said first wall portion and above the level thereof, a third upwardly extending wall portion extending between said first and said second wall portions to seal ofi? the interior of said housing from the exterior, said second wall portion extending forwardly beyond said third wall portion, a handle extending upwardly from first wall portion and contiguous with'the forward end of said second wall portion to form a hand held for carrying said housing in a substantially normal attitude, and a means mounting said second wall portion on said first wall portion for movement away from said handle and said third wall portion to permit entrance to the interior of said housing. '2. A housing for a calculating machine or the like, said housing comprising a first'substantially horizontal top wall portion, a second substantially horizontal top screws 28 are again tightened to maintain the machine in wall portion located rearwardly of saidfirst wall portion and above the level thereof, a third upwardly extending wall portion extending between said first and said second wall portions to seal offthe interior of said housing from' the exterior, said second wall portion extending forwardly beyond said third wall portion, a handle integral with said first wall portion and extending upwardly therefrom, said handle being contiguous with the forward end of said second wall portion to form a hand hold for carrying said housing in 'a substantially normal attitude, and pivot means on said first wall portion for supporting said second wall portion for upward swinging movement away from said handle and said third wall portion to enable access to the interior of said housing.

References Cited in the file of this patent 'Boyden May 27, 1952