GB170816A - An improved rotary pocket fan - Google Patents

An improved rotary pocket fan

Info

Publication number
GB170816A
GB170816A GB36603/20A GB3660320A GB170816A GB 170816 A GB170816 A GB 170816A GB 36603/20 A GB36603/20 A GB 36603/20A GB 3660320 A GB3660320 A GB 3660320A GB 170816 A GB170816 A GB 170816A
Authority
GB
United Kingdom
Prior art keywords
balls
fan
disc
rack
slots
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
GB36603/20A
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.)
CELLULOID SOC IND DE
Original Assignee
CELLULOID SOC IND DE
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 CELLULOID SOC IND DE filed Critical CELLULOID SOC IND DE
Publication of GB170816A publication Critical patent/GB170816A/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
    • F04D25/086—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans hand operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Toys (AREA)

Abstract

170,816. Soc. Industrielle de Celluloid. Oct. 23, 1920, [Convention date]. Addition to 160,752. Screw fans.-A pocket folding fan of the kind described in the parent Specification is driven by the thumb-pressed rack 1 engaging the pinion 18, the shaft 17 of which carries loosely the spur-wheel 19 with the attached disc 41. The periphery of the disc 41 is shaped as shown in Fig. 2, and is enclosed by a flanged cover 40 secured to the pinion 18. Balls 45 rest in the cam-shaped slots thus formed between the disc and the cover. When the fan is at rest the balls remain in the space at the end of the slots, but when the rack is operated the pinion 18 and cover 40 revolve and roll the balls to the narrow part of the slots, thus causing the balls and disc to act as a clutch to rotate the fan. During the return movement of the rack the balls roll to the end of the slots leaving the fan free. The spring for returning the rack is secured to the cross-bar of the slideway and to a cross-rod attached to the slide.
GB36603/20A 1920-10-23 1920-12-31 An improved rotary pocket fan Expired GB170816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR170816X 1920-10-23

Publications (1)

Publication Number Publication Date
GB170816A true GB170816A (en) 1922-01-26

Family

ID=8877327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36603/20A Expired GB170816A (en) 1920-10-23 1920-12-31 An improved rotary pocket fan

Country Status (1)

Country Link
GB (1) GB170816A (en)

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