US971221A - Cushion-cap for the keys of writing-machines. - Google Patents

Cushion-cap for the keys of writing-machines. Download PDF

Info

Publication number
US971221A
US971221A US56391510A US1910563915A US971221A US 971221 A US971221 A US 971221A US 56391510 A US56391510 A US 56391510A US 1910563915 A US1910563915 A US 1910563915A US 971221 A US971221 A US 971221A
Authority
US
United States
Prior art keywords
cap
keys
key
cushion
machines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US56391510A
Inventor
Harry H Shepard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US56391510A priority Critical patent/US971221A/en
Application granted granted Critical
Publication of US971221A publication Critical patent/US971221A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback

Definitions

  • This invention relates to a cushion cap for-J the keys'of typewriting machines or for any manually-operated keys wherein the cap is found applicable and has for its object to provide a cap in a manner as hereinafter set forth and constructed of resilient material, preferably of rubber, and adapted tov be mounted upon the key and struck by the operator when actuating the key so as to relieve the jar upon the finger tips of the operator when actuating the machine of which the key forms a part.
  • a further object of the invention is to provide a cushion cap for the purpose set forth in a manner as hereinafter set forth and which is so constructed as to grip firmly the head of the key whereby the cap will be securely retained in position without the em ployment of a hold-fast device or an interlocking element to retain the cap in position.
  • a further object of the invention is to provide a cushion cap for the heads of fin er operated keys and which comprises w at may be termed a crown and which further embodies an air vent, whereby the crown will be held to its normal position.
  • the invention consists of the novel construction, combination and arran ement of parts as hereinafter more speci cally de-.
  • Figure 1 is atop plan view of a key cap in accordance with this invention
  • Fig. 2 is a vertical sectional view of a cap
  • Fig. 3 is a vertical sectional view of the cap'illu'strating the same mounted upon the head of the key, the key being shown in section and broken away
  • Fig. 4 is an elevation of the cap.
  • the cap comprises a hollow cylindrical body portion 1 having a flat crown or crown piece 2 formed integral with the top thereof and a hollow inverted frustum cone-shaped extension 3---formed integral with'the bottom thereof.
  • the crown 2 has its inner face formed with a circular recess 4 with which communicates the inner end of a laterallyextending groove 5.
  • the outer end of the groove 5 terminates at the edge of the crown whereby the outer portion of the wall of the groove in connection with the body portion 1 provides a vent 6.
  • Fig. 3 the cap is shown surrounding and mounted upon a key and referring to said figure, 7 denotes the stem of the key and 8 the headwhich is recessed in it's top as at 9. The recess 9 opposes the recess 4 in the crown.
  • the cap is formed of a sin le piece of resilient material, preferably ru ber and by ,its normal position. mounted upon the head of the key and inexpensive to manufacture.
  • a cap for the heads of fingeioperated keys consisting of a single piecepf resilient material provided with a body ortion adapted. to surround the head of t e key when the cap is mounted in position, an extension depending from the body portion whereby the cap is maintained in position, a crown formed integral with the bodlye'portion, and means to provide an air'yent', said crown having its inner face cut away to provide a recess,
  • a cap for the heads of finger, operated keys formed of a single piece of resilient In testimony whereof I have atfixed my material and comprising a body portion an signaturein' presence of two witnesseses. extension depending therefrom, a crown 111- HARRY H SHEPARD.

Description

H. H. SHEPARD GAP FOR .THE KEYS 0F WRITING MACHINES.
APPLICATION FILED MAY 28,1910.
GUSHIOB.
"iLfiQL Patented Sspt. 27, 1910.
is to be understood that changes, variations. e I come within the scope of vthe claimshereunto pnirnn sra'rns orrron.
CUSHION-CAP FOR THE KEYS 0F WRITING-MACHINES.
Specification of Letters Patent. Patentedsept, 27, 1910.
Application filed May 28, 1910. Serial No. 563,915. 4
This invention relates to a cushion cap for-J the keys'of typewriting machines or for any manually-operated keys wherein the cap is found applicable and has for its object to provide a cap in a manner as hereinafter set forth and constructed of resilient material, preferably of rubber, and adapted tov be mounted upon the key and struck by the operator when actuating the key so as to relieve the jar upon the finger tips of the operator when actuating the machine of which the key forms a part. A further object of the invention is to provide a cushion cap for the purpose set forth in a manner as hereinafter set forth and which is so constructed as to grip firmly the head of the key whereby the cap will be securely retained in position without the em ployment of a hold-fast device or an interlocking element to retain the cap in position. A further object of the invention is to provide a cushion cap for the heads of fin er operated keys and which comprises w at may be termed a crown and which further embodies an air vent, whereby the crown will be held to its normal position.
Further objects of the invention are to provide a cap for the head of a finger operated key and which is simple in its construction, formed of a single piece of material, durable, eflicient in its use, conveniently With the foregoing and other objects in view, the invention consists of the novel construction, combination and arran ement of parts as hereinafter more speci cally de-.
scribed and illustrated in the accompanying drawings, wherein shown the preferred embodiment of the invention, but it and modifications can be resorted to' which appended. p
- In the drawings wherein like reference characters denote corresponding parts throughout the several views, Figure 1 is atop plan view of a key cap in accordance with this invention, Fig. 2 is a vertical sectional view of a cap, Fig. 3 is a vertical sectional view of the cap'illu'strating the same mounted upon the head of the key, the key being shown in section and broken away, and Fig. 4 is an elevation of the cap.
Referring to the drawings in detail, the cap comprises a hollow cylindrical body portion 1 having a flat crown or crown piece 2 formed integral with the top thereof and a hollow inverted frustum cone-shaped extension 3---formed integral with'the bottom thereof. The crown 2 has its inner face formed with a circular recess 4 with which communicates the inner end of a laterallyextending groove 5. The outer end of the groove 5 terminates at the edge of the crown whereby the outer portion of the wall of the groove in connection with the body portion 1 provides a vent 6.
In Fig. 3 the cap is shown surrounding and mounted upon a key and referring to said figure, 7 denotes the stem of the key and 8 the headwhich is recessed in it's top as at 9. The recess 9 opposes the recess 4 in the crown.
The capis formed of a sin le piece of resilient material, preferably ru ber and by ,its normal position. mounted upon the head of the key and inexpensive to manufacture.
What I claim is 1. A cap for the heads of fingeioperated keys consisting of a single piecepf resilient material provided with a body ortion adapted. to surround the head of t e key when the cap is mounted in position, an extension depending from the body portion whereby the cap is maintained in position, a crown formed integral with the bodlye'portion, and means to provide an air'yent', said crown having its inner face cut away to provide a recess,
2 A cap for the heads of finger, operated keys formed of a single piece of resilient In testimony whereof I have atfixed my material and comprising a body portion an signaturein' presence of two Witnesses. extension depending therefrom, a crown 111- HARRY H SHEPARD.
tegral with the body portion and having its 5 inner face recessed and grooved the Wall Witnesses:
of said grooves in connection With the body PATRICK J. CANNON, portion forming an air vent. C. T. HANNIGAN.
US56391510A 1910-05-28 1910-05-28 Cushion-cap for the keys of writing-machines. Expired - Lifetime US971221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US56391510A US971221A (en) 1910-05-28 1910-05-28 Cushion-cap for the keys of writing-machines.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56391510A US971221A (en) 1910-05-28 1910-05-28 Cushion-cap for the keys of writing-machines.

Publications (1)

Publication Number Publication Date
US971221A true US971221A (en) 1910-09-27

Family

ID=3039607

Family Applications (1)

Application Number Title Priority Date Filing Date
US56391510A Expired - Lifetime US971221A (en) 1910-05-28 1910-05-28 Cushion-cap for the keys of writing-machines.

Country Status (1)

Country Link
US (1) US971221A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733804A (en) * 1956-02-07 Rubber keys fob business and office
DE1189091B (en) * 1960-08-26 1965-03-18 Ibm Spring-loaded key button for typewriters and similar machines
DE1195775B (en) * 1960-08-26 1965-07-01 Ibm Key mechanism with velocity-dependent device for power-driven typewriters and similar machines
DE1216892B (en) * 1960-08-26 1966-05-18 Ibm Key mechanism for power-driven typewriters and similar machines
US8132976B2 (en) * 2007-12-05 2012-03-13 Microsoft Corporation Reduced impact keyboard with cushioned keys

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733804A (en) * 1956-02-07 Rubber keys fob business and office
DE1189091B (en) * 1960-08-26 1965-03-18 Ibm Spring-loaded key button for typewriters and similar machines
DE1195775B (en) * 1960-08-26 1965-07-01 Ibm Key mechanism with velocity-dependent device for power-driven typewriters and similar machines
DE1216892B (en) * 1960-08-26 1966-05-18 Ibm Key mechanism for power-driven typewriters and similar machines
US8132976B2 (en) * 2007-12-05 2012-03-13 Microsoft Corporation Reduced impact keyboard with cushioned keys

Similar Documents

Publication Publication Date Title
US971221A (en) Cushion-cap for the keys of writing-machines.
US541038A (en) Thirds to israel f
US891109A (en) Bottle-stopper.
US1953619A (en) Drum stick attachment
US1257846A (en) Finger-shield.
US2576000A (en) Fulcrum type crown cap remover
US701101A (en) Bottle-stopper.
US846164A (en) Tenpin.
US1339418A (en) Tuning-peg for stringed instruments
US601831A (en) Corner-buffer for trunks
US1541043A (en) Resilient cap for the keys of typewriters or similar machines
US628455A (en) Shield for percussive tools.
US695930A (en) Spinning-top.
US417231A (en) Stylus
US2069829A (en) Typewriting machine
US311431A (en) Flexible stopple for bottles
US497483A (en) David p
US558872A (en) Type-writing-machine cushion-key
US1087650A (en) Key cap or button for type-writing machines.
US468829A (en) Inger
US1242307A (en) Type-writer key-striker or hand extension.
US945957A (en) Hammer.
US260821A (en) Printer s shooting-stick
US1058598A (en) Telegrapher's key-button cushion.
US774023A (en) Cap for bottles.