GB2320079A - A knob for turning a spindle - Google Patents

A knob for turning a spindle Download PDF

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Publication number
GB2320079A
GB2320079A GB9722076A GB9722076A GB2320079A GB 2320079 A GB2320079 A GB 2320079A GB 9722076 A GB9722076 A GB 9722076A GB 9722076 A GB9722076 A GB 9722076A GB 2320079 A GB2320079 A GB 2320079A
Authority
GB
United Kingdom
Prior art keywords
spindle
knob
internal bore
sleeve
turning
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.)
Granted
Application number
GB9722076A
Other versions
GB9722076D0 (en
GB2320079B (en
Inventor
George Percy
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.)
FOXHEATH Ltd
Original Assignee
FOXHEATH Ltd
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 FOXHEATH Ltd filed Critical FOXHEATH Ltd
Publication of GB9722076D0 publication Critical patent/GB9722076D0/en
Publication of GB2320079A publication Critical patent/GB2320079A/en
Application granted granted Critical
Publication of GB2320079B publication Critical patent/GB2320079B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

A knob for turning a spindle 8, for example that of a domestic tap, comprises an outer housing 1 having an internal bore 3 and an inner sleeve 2 which splines with the internal bore 3 and has an internal bore hole for receiving the spindle 8. The sleeve 2 is secured to the spindle 8 by means of set screws 11 extending through threaded holes 5 in the sleeve.

Description

A KNOB FOR TURNING A SPINDLE The present invention relates to a knob for turning a spindle. Whilst the invention is particularly applicable to knobs used in the head fittings of domestic taps, knobs according to the invention can also be used in other situations where a spindle is required to be turned.
A known type of tap head fitting comprises a knob, usually made from plastics material such as acrylic materials or nylon, which can be screwed to the end of the spindle and has an internal bore of non-circular cross section, the bore engaging a splined surface of the spindle.
Plastics knobs are liable to fracture after a period of a few years, particularly when the tap is continually heated by hot water. If it is desired to replace the knob, a replacement having the correctly configured internal bore must be found, and since a large number of different spindle configurations exists, replacement of the knob alone is often impossible and the entire tap must be replaced.
It is therefore an object of the invention to provide a knob for turning a spindle, which knob can be fitted to spindles of different sizes and configurations.
The present invention provides a knob for turning a spindle, comprising an outer housing having a first internal bore of non-circular cross section, and an inner sleeve removably, non-rotatably received in said first internal bore and having a second internal bore and adjustable means for frictionally engaging a spindle received in said second internal bore. With such an arrangement, the outer housing, inner sleeve and spindle all rotate together when the housing is manually turned.
Preferably, the inner sleeve has an opening at its end which is to be located at the free end of the spindle, and the housing has a hole which registers with the opening,so that the housing can be screwed to the end of the spindle.
In a preferred embodiment, the sleeve has at least one threaded aperture and the adjustable means comprises at least one set screw which can be screwed into the or each aperture to engage the spindle. A plurality of threaded apertures and set screws may be provided.
The knob may comprise a head for fitting to the spindle of a domestic tap.
The invention will now be described in more detail, by way of example only, with reference to the accompanying drawings, in which: Figure 1 is an exploded view of the components of a knob according to an embodiment of the invention, together with a spindle; and Figure 2 is a vertical section showing the knob of Figure 1 attached to the spindle.
The figures show a knob or head for a domestic tap, comprising an outer housing 1, preferably of acrylic material, and an inner sleeve 2, preferably of brass. The housing has an upper internal bore 3 of hexagonal crosssection and a lower cavity 4, wider than the bore 3 and of circular cross- section.
The sleeve 2 has a hexagonal external cross-section, slightly smaller than and corresponding to the cross-section of the internal bore 3. An internal bore-hole of the sleeve is large enough to fit over the upper ends of conventional tap spindles of different sizes. Three threaded holes 5 are formed in alternate faces of the hexagonal sleeve, opening into the internal bore-hole of the sleeve. A further opening 6 is formed in the upper end of the sleeve. The lower end of the sleeve 2 has an enlarged portion 7.
The figures also show a spindle 8 having a smaller diameter section 9 and a larger diameter section 10. In order to fit the knob to the spindle 8, the sleeve 2 is placed over the smaller diameter section 9. A metal grub screw 11 is then screwed into each of the threaded holes 5 and tightened so as to engage the surface of the spindle.
Next, the housing 1 is fitted, with the flats of the internal bore 3 engaging those of the sleeve 2 and the cavity 4 accommodating the larger diameter section 10.
The housing 1 can be screwed to the end of the spindle 8 in a conventional manner using a screw 12 which extends through the opening 6. A cap 13 of known type can be used to close the aperture through which the screw 12 is inserted.
It will be appreciated that both the larger and smaller diameter sections of the spindle could vary considerably in size and configuration, yet the knob of the invention will still fit thereon.

Claims (6)

1. A knob for turning a spindle, comprising an outer housing having a first internal bore of non-circular cross section, and an inner sleeve removably, non-rotatably received in said first internal bore and having a second internal bore and adjustable means for frictionally engaging a spindle to be received in said second internal bore.
2. A knob as claimed in claim 1, wherein the inner sleeve has an opening at its end which is to be located at the free end of the spindle, and the housing has a hole which registers with the opening, so that the housing can be screwed to the end of the spindle.
3. A knob as claimed in claim 1 or 2, wherein the sleeve has at least one threaded aperture and the adjustable means comprises at least one set screw which can be screwed into the or each aperture to engage the spindle.
4. A knob as claimed in claim 3, wherein a plurality of threaded apertures and set screws are provided.
5. A knob as claimed in any preceding claim, comprising a head for fitting to the spindle of a domestic tap.
6. A knob for turning a spindle, substantially as described herein with reference to the accompanying drawings.
GB9722076A 1996-10-23 1997-10-20 A knob for turning a spindle Expired - Fee Related GB2320079B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9622062.9A GB9622062D0 (en) 1996-10-23 1996-10-23 A knob for turning a spindle

Publications (3)

Publication Number Publication Date
GB9722076D0 GB9722076D0 (en) 1997-12-17
GB2320079A true GB2320079A (en) 1998-06-10
GB2320079B GB2320079B (en) 2000-06-28

Family

ID=10801841

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9622062.9A Pending GB9622062D0 (en) 1996-10-23 1996-10-23 A knob for turning a spindle
GB9722076A Expired - Fee Related GB2320079B (en) 1996-10-23 1997-10-20 A knob for turning a spindle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9622062.9A Pending GB9622062D0 (en) 1996-10-23 1996-10-23 A knob for turning a spindle

Country Status (1)

Country Link
GB (2) GB9622062D0 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1724505A1 (en) * 2005-05-21 2006-11-22 Honeywell Technologies Sarl ECC Handle for thermostatic valve
WO2012128880A1 (en) * 2011-03-21 2012-09-27 Tescom Corporation Ergonomic hand knob having asymmetrical flutes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894302A (en) * 1959-01-08 1962-04-18 Advance Components Ltd Improvements in and relating to finger knobs for attachment to control spindles
GB1488651A (en) * 1974-11-27 1977-10-12 Gummer E Domestic taps
GB2002091A (en) * 1977-09-03 1979-02-14 Silverthorne Housewares Tap conversion kit
US4619437A (en) * 1984-02-17 1986-10-28 Williams William J Adjustable torque limiting valve handle
GB2222661A (en) * 1988-09-13 1990-03-14 Paul Michael Lafrenais Tap handle
WO1995006836A1 (en) * 1993-09-02 1995-03-09 Dorf Industries Pty. Ltd. Axially adjustable tap handle attachment mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894302A (en) * 1959-01-08 1962-04-18 Advance Components Ltd Improvements in and relating to finger knobs for attachment to control spindles
GB1488651A (en) * 1974-11-27 1977-10-12 Gummer E Domestic taps
GB2002091A (en) * 1977-09-03 1979-02-14 Silverthorne Housewares Tap conversion kit
US4619437A (en) * 1984-02-17 1986-10-28 Williams William J Adjustable torque limiting valve handle
GB2222661A (en) * 1988-09-13 1990-03-14 Paul Michael Lafrenais Tap handle
WO1995006836A1 (en) * 1993-09-02 1995-03-09 Dorf Industries Pty. Ltd. Axially adjustable tap handle attachment mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1724505A1 (en) * 2005-05-21 2006-11-22 Honeywell Technologies Sarl ECC Handle for thermostatic valve
WO2012128880A1 (en) * 2011-03-21 2012-09-27 Tescom Corporation Ergonomic hand knob having asymmetrical flutes

Also Published As

Publication number Publication date
GB9722076D0 (en) 1997-12-17
GB9622062D0 (en) 1996-12-18
GB2320079B (en) 2000-06-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141020