# US 4,864,677 A · Keyboard cleaner

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- Number: US 4,864,677 A
- Document ID: US4864677A
- Status: Granted
- Kind: A
- Application number: 07/173,270
- Filed: 1988-03-25
- Granted: 1989-09-12
- Earliest claimed: 1988-03-25
- Assignees: EHL Development Inc.
- Inventors: Edward H. Levy
- Web page: https://patentgrep.com/patent/US4864677A

## CPC

- A47L 13/26: Other cleaning devices with liquid supply arrangements (such arrangements on floor-polishing machines A47L11/00, on scrapers A47L13/03, on mops A47L13/22; cloths, pads, or the like containing cleaning agents A47L13/17, A47L13/19)
- A47L 25/00: Domestic cleaning devices not provided for in other groups of this subclass (for cleaning spectacles G02C13/00)
- B08B 1/10: characterised by the type of cleaning tool
- B08B 1/12: Brushes
- B08B 1/14: Wipes; Absorbent members, e.g. swabs or sponges (with integrated means for dispensing fluids B08B1/40)
- H01H 2229/062: Maintenance or repair facilities
- A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08)
- B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00)

## Abstract

This invention relates to a keyboard cleaning device. More particularly, this invention relates to a device for cleaning upper and/or lateral surfaces of keyboard buttons or keys. In a first embodiment of the present invention, a key cleaner is comprised of a head structure having at least one convex cleaning substructure contoured to the top surface of a key of a data entry keyboard, a handle and means for attaching the handle to the head structure. Pursuant to a second embodiment of the present invention, the key cleaner is comprised of a head structure having at least one wedge-shaped cleaning substructure which is contoured to fit between the keys of a data entry keyboard and a handle attached to the head structure. Other embodiments are also described.

## Claims

### Claim 1

A device for cleaning at least two different surfaces of the keys of a data-entry type keyboard, comprising:
a head structure having at least two different cleaning substructures, each cleaning substructure having a cleaning surface conforming to a substantial portion of a top or a lateral surface of a key of said keyboard, a first of said cleaning substructures having a convex surface conforming to at least a substantial portion of a top concave surface of said key and a second of said cleaning substructures having a wedge-shaped surface conforming to at least a substantial portion of the lateral surface of said key, said first cleaning substructure being disposed adjacent to said second cleaning substructure on one side of said head structure; and
a gripping means connected to said head structure for facilitating manipulation of the cleaning device.