GB251721A - Improvements in inflators - Google Patents

Improvements in inflators

Info

Publication number
GB251721A
GB251721A GB523725A GB523725A GB251721A GB 251721 A GB251721 A GB 251721A GB 523725 A GB523725 A GB 523725A GB 523725 A GB523725 A GB 523725A GB 251721 A GB251721 A GB 251721A
Authority
GB
United Kingdom
Prior art keywords
pumps
gauge
hand
inflators
smith
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
Application number
GB523725A
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.)
MILLICENT SMITH
Original Assignee
MILLICENT SMITH
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 MILLICENT SMITH filed Critical MILLICENT SMITH
Priority to GB523725A priority Critical patent/GB251721A/en
Publication of GB251721A publication Critical patent/GB251721A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B33/00—Pumps actuated by muscle power, e.g. for inflating
    • F04B33/005—Pumps actuated by muscle power, e.g. for inflating specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Fluid Pressure (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

251,721. Smith, M. Feb. 25, 1925. Actuating pumps by hand and foot power; portable hand pumps.-The hollow piston-rod 8 of a tyre pump leading to a pressure-gauge 15 has in it a plug 13 provided with a hole of a diameter between .001 and .004 inches tu prevent violent fluctuations of the gauge pointer.
GB523725A 1925-02-25 1925-02-25 Improvements in inflators Expired GB251721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB523725A GB251721A (en) 1925-02-25 1925-02-25 Improvements in inflators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB523725A GB251721A (en) 1925-02-25 1925-02-25 Improvements in inflators

Publications (1)

Publication Number Publication Date
GB251721A true GB251721A (en) 1926-05-13

Family

ID=9792279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB523725A Expired GB251721A (en) 1925-02-25 1925-02-25 Improvements in inflators

Country Status (1)

Country Link
GB (1) GB251721A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009006369B3 (en) * 2008-09-30 2010-05-12 Wu, Scott, Wu Feng Hsiang Pump, has hose removed from article after terminating pumping operation, where pressure in lifting rod and inner pipe is deaerated automatically from hose by transverse-running air duct, so that meter is automatically returned to zero
CN107642477A (en) * 2017-10-31 2018-01-30 浙江威邦机电科技有限公司 A kind of inflating pump of monitoring pressure in real time value
DE102014114518B4 (en) * 2013-11-06 2019-03-07 Scott Wu Air pump with improved handle design
EP3744979A1 (en) * 2019-05-27 2020-12-02 Bestway Inflatables & Material Corp. Hand air pump handle assembly and hand air pump

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009006369B3 (en) * 2008-09-30 2010-05-12 Wu, Scott, Wu Feng Hsiang Pump, has hose removed from article after terminating pumping operation, where pressure in lifting rod and inner pipe is deaerated automatically from hose by transverse-running air duct, so that meter is automatically returned to zero
DE102014114518B4 (en) * 2013-11-06 2019-03-07 Scott Wu Air pump with improved handle design
CN107642477A (en) * 2017-10-31 2018-01-30 浙江威邦机电科技有限公司 A kind of inflating pump of monitoring pressure in real time value
EP3744979A1 (en) * 2019-05-27 2020-12-02 Bestway Inflatables & Material Corp. Hand air pump handle assembly and hand air pump
US11454228B2 (en) 2019-05-27 2022-09-27 Bestway Inflatables & Material Corp. Hand air pump handle assembly and hand air pump

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