WO1984004027A1 - Bag with weighing device - Google Patents

Bag with weighing device Download PDF

Info

Publication number
WO1984004027A1
WO1984004027A1 PCT/FI1984/000029 FI8400029W WO8404027A1 WO 1984004027 A1 WO1984004027 A1 WO 1984004027A1 FI 8400029 W FI8400029 W FI 8400029W WO 8404027 A1 WO8404027 A1 WO 8404027A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
measuring
weight
strain
gauge transducers
Prior art date
Application number
PCT/FI1984/000029
Other languages
French (fr)
Inventor
Vesa Koivisto
Risto Olavi Kantola
Original Assignee
Vesa Koivisto
Risto Olavi Kantola
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 Vesa Koivisto, Risto Olavi Kantola filed Critical Vesa Koivisto
Priority to AU28208/84A priority Critical patent/AU2820884A/en
Publication of WO1984004027A1 publication Critical patent/WO1984004027A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C15/00—Purses, bags, luggage or other receptacles covered by groups A45C1/00 - A45C11/00, combined with other objects or articles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
    • G01G19/58—Weighing apparatus combined with other objects, e.g. furniture combined with handles of suit-cases or trunks

Definitions

  • the object of this invention is a bag for luggage, documents, instruments or corresponding comprising a stiff body and several, mostly four legs on which the bag can be placed to stand.
  • a spring scale equipment adapted between the handle of the bag and the body of it is known from e.g. the British Patent Specification 957,360 and the French Patent Specification 2,155,544.
  • These spring scales give a reading of the bag weight when the bag is lifted by its handle.
  • the scales are subjected to either a continuous load when the bag is carried or alternatively the weighing functions only when the handle alone is set in a weighing position.
  • the handle has to be constructed in a manner differ ⁇ ing from the conventional and the fitting of the spring scale equipment into the handle is also difficult and expensive.
  • Figure 1 is a perspective view of the ' bag according to the invention.
  • Figure 2 shows partly a circuit diagram and partly schematically means for measuring and displaying the bag weight.
  • Figure 1 shows a bag according to the invention, which bag comprises a stiff body 1 and four legs 2 (only two are seen in the Figure) on which the bag is placed to stand.
  • each leg 2 and the body 1 of the bag strain-gauge transducers (not shown) are adapted so that the bag weight is transmitted through them to the supporting under ⁇ laying.
  • These strain-gauge transducers are of the type the resistance value of which changes as a function of the pressure they are subjected to.
  • a numeral display 3 which shows the bag weight.
  • a contact button 10 is set by means of which the display 3 can when desired be switched on.
  • Figure 2 shows more in detail the circuit measuring the bag weight.
  • the actual measuring part consists of the measuring bridge, which comprises a series of strain- gauge transducers 6 (which are shown as one unit for the sake of clarity), the regulation resistance 7 and two balancing resistances 8 and a direct-current supply 9 connected over the bridge.
  • the direct-current supply 9 can be e.g. a 5 V dry battery.
  • the direct-current signal given by the measuring bridge is summed up and amplified with an operational amplifier 5. After this the signal is transformed into a digital signal with a A/D transformer 4, which also comprises a control unit for the display 3, which is preferably a liquid crystal display.
  • the display 3 which can preferably be a 3

Abstract

A bag for luggage, documents, instruments and corresponding comprising a stiff body (1) and several, mostly four legs (2) on which the bag is placed to stand. The defect of such a conventional bag is that it is impossible to tell even its approximately accurate weight without a separate weighing. In order to eliminate this problem means for measuring and displaying its gross or net weight is adjusted to the bag according to the invention. Preferably the means for measuring the weight comprises strain-gauge transducers which are adapted between each leg (2) and the body (1) of the bag.

Description

"Bag with weighing device."
The object of this invention is a bag for luggage, documents, instruments or corresponding comprising a stiff body and several, mostly four legs on which the bag can be placed to stand.
Even if bags similar to as described above well fill the functions conventionally attributed to them, it has nowadays, especially as travelling by air is increas- ing, been noticed some defects in them.
Without separate weighing it is impossible to give, for a conventional bag, even the approximately accurate weight of its contents or the total weight of the bag, for which travelling by air sometimes has even strict limits.
To solve this problem a spring scale equipment adapted between the handle of the bag and the body of it is known from e.g. the British Patent Specification 957,360 and the French Patent Specification 2,155,544. These spring scales give a reading of the bag weight when the bag is lifted by its handle. Thus the scales are subjected to either a continuous load when the bag is carried or alternatively the weighing functions only when the handle alone is set in a weighing position. Thus the handle has to be constructed in a manner differ¬ ing from the conventional and the fitting of the spring scale equipment into the handle is also difficult and expensive.
In order to eliminate the aforementioned disadvan- tages it is characteristic for the bag according to the invention, that to the bag strain-gauge transducers are attached for measuring and displaying its net or gross weight, which strain-gauge transducers are adapted bet¬ ween each leg and the body of the bag. in the following the bag according to the invention is described more in detail referring to the enclosed
OMPI drawing, where
Figure 1 is a perspective view of the' bag according to the invention, and
Figure 2 shows partly a circuit diagram and partly schematically means for measuring and displaying the bag weight.
Figure 1 shows a bag according to the invention, which bag comprises a stiff body 1 and four legs 2 (only two are seen in the Figure) on which the bag is placed to stand.
Between each leg 2 and the body 1 of the bag strain- gauge transducers (not shown) are adapted so that the bag weight is transmitted through them to the supporting under¬ laying. These strain-gauge transducers are of the type the resistance value of which changes as a function of the pressure they are subjected to. To the bag in Figure 1 is attached a numeral display 3 which shows the bag weight. Beside the display a contact button 10 is set by means of which the display 3 can when desired be switched on. Figure 2 shows more in detail the circuit measuring the bag weight. The actual measuring part consists of the measuring bridge, which comprises a series of strain- gauge transducers 6 (which are shown as one unit for the sake of clarity), the regulation resistance 7 and two balancing resistances 8 and a direct-current supply 9 connected over the bridge. By means of the regulation resistance 7 the measuring bridge can be adjusted to show either the net or gross weight of the bag. The direct-current supply 9 can be e.g. a 5 V dry battery. The direct-current signal given by the measuring bridge is summed up and amplified with an operational amplifier 5. After this the signal is transformed into a digital signal with a A/D transformer 4, which also comprises a control unit for the display 3, which is preferably a liquid crystal display. When pressing the contact button, which is not shown in Figure 2, the display 3, which can preferably be a 3|-number display, is made to show the bag weight measured by the strain-gauge transducers.
It is to be understood that the idea according to the invention' of attaching the measuring means to be a constructional part of the travel and other bags can be varied considerably within the scope of the enclosed claim from what is described in the embodiment example above. The invention can be adjusted to all objects standing on legs or rolls or other corresponding supports.

Claims

Claims:
A bag for luggage, documents, instruments or corresponding comprising a stiff body (1) and several, mostly four legs (2) on which the bag is placed to stand, c h a r a c t e r i z e d in that to the bag strain-gauge transducers are attached for measuring and displaying its net or gross weight, which strain- gauge transducers are adapted between each leg (2) and the body (1 ) of the bag.
_OlΛPI
PCT/FI1984/000029 1983-04-11 1984-04-11 Bag with weighing device WO1984004027A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU28208/84A AU2820884A (en) 1983-04-11 1984-04-11 Bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI831209A FI831209A0 (en) 1983-04-11 1983-04-11 VAESKA

Publications (1)

Publication Number Publication Date
WO1984004027A1 true WO1984004027A1 (en) 1984-10-25

Family

ID=8517024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1984/000029 WO1984004027A1 (en) 1983-04-11 1984-04-11 Bag with weighing device

Country Status (3)

Country Link
EP (1) EP0139711A1 (en)
FI (1) FI831209A0 (en)
WO (1) WO1984004027A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378255A (en) * 2001-08-01 2003-02-05 Arun Malhotra Suitcase with a built-in weighing mechanism
GB2385142A (en) * 2002-02-11 2003-08-13 Amal Ghosh Luggage weighing gadget
GB2402611A (en) * 2003-04-25 2004-12-15 Abdul Ghaffar Qureshi Suitcase having means of weighing its contents
GB2414655A (en) * 2004-06-02 2005-12-07 Adedeji Oluwafisayo Ogunnaike Self-weighing travel bag
WO2006101709A1 (en) * 2005-03-18 2006-09-28 John Joseph Lewis Luggage handle with integral weight scale
GB2433427A (en) * 2005-12-22 2007-06-27 Steven David Povey Suitcase having means for weighing its contents
GB2433876A (en) * 2006-01-07 2007-07-11 James Callander Self weighing suitcase
US7281615B2 (en) * 2002-12-16 2007-10-16 Trg Accessories, L.L.C. Weight determining mechanism for a backpack or other luggage
DE102006020698A1 (en) * 2006-02-21 2007-11-08 Birgit Pohl Baggage with a scale
US7378604B2 (en) 2005-11-12 2008-05-27 Ricardo Beverly Hills Luggage with built-in weight measurement device and method of use
GB2472285A (en) * 2009-08-01 2011-02-02 Intelligent Luggage Ltd Self-weighing baggage with weighing sensors in feet attached to the base of the bag
US20150129324A1 (en) * 2012-07-04 2015-05-14 Zhejiang Keeplong Precision Machinery Co., Ltd. Weighing Trolley Case
US20170325561A1 (en) * 2016-05-12 2017-11-16 The Selfweighing Suitcase Company Limited Self-weighing luggage device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190517557A (en) * 1905-08-30 1905-10-19 Dawid Mahs Improvements in Means for Weighing the Contents of Bags, Baskets and the like.
US2759577A (en) * 1955-12-02 1956-08-21 White William John Weighing device for baggage
FR2155544A5 (en) * 1971-09-29 1973-05-18 Gopinath Karmalker
DE2615516A1 (en) * 1976-04-09 1977-10-20 P A T Ireland Ltd Road vehicle loading meter - uses strain gauges connected in two bridges on test plate to measure axle or wheel loads

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190517557A (en) * 1905-08-30 1905-10-19 Dawid Mahs Improvements in Means for Weighing the Contents of Bags, Baskets and the like.
US2759577A (en) * 1955-12-02 1956-08-21 White William John Weighing device for baggage
FR2155544A5 (en) * 1971-09-29 1973-05-18 Gopinath Karmalker
DE2615516A1 (en) * 1976-04-09 1977-10-20 P A T Ireland Ltd Road vehicle loading meter - uses strain gauges connected in two bridges on test plate to measure axle or wheel loads

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378255A (en) * 2001-08-01 2003-02-05 Arun Malhotra Suitcase with a built-in weighing mechanism
GB2385142A (en) * 2002-02-11 2003-08-13 Amal Ghosh Luggage weighing gadget
GB2385142B (en) * 2002-02-11 2005-07-13 Amal Ghosh Handy luggage weighing gadget
US7281615B2 (en) * 2002-12-16 2007-10-16 Trg Accessories, L.L.C. Weight determining mechanism for a backpack or other luggage
GB2402611A (en) * 2003-04-25 2004-12-15 Abdul Ghaffar Qureshi Suitcase having means of weighing its contents
GB2402611B (en) * 2003-04-25 2005-08-10 Abdul Ghaffar Qureshi Weighing suitcase
GB2414655B (en) * 2004-06-02 2007-08-01 Adedeji Oluwafisayo Ogunnaike Travel bags
GB2414655A (en) * 2004-06-02 2005-12-07 Adedeji Oluwafisayo Ogunnaike Self-weighing travel bag
US7439456B2 (en) 2004-06-02 2008-10-21 Adedeji Oluwafisayo Ogunnaike Travel bag weighing system
WO2005117636A1 (en) * 2004-06-02 2005-12-15 Adedeji Oluwafisayo Ogunnaike Travel bags
WO2006101709A1 (en) * 2005-03-18 2006-09-28 John Joseph Lewis Luggage handle with integral weight scale
US7378604B2 (en) 2005-11-12 2008-05-27 Ricardo Beverly Hills Luggage with built-in weight measurement device and method of use
GB2433427A (en) * 2005-12-22 2007-06-27 Steven David Povey Suitcase having means for weighing its contents
GB2433876A (en) * 2006-01-07 2007-07-11 James Callander Self weighing suitcase
DE102006020698A1 (en) * 2006-02-21 2007-11-08 Birgit Pohl Baggage with a scale
GB2472285A (en) * 2009-08-01 2011-02-02 Intelligent Luggage Ltd Self-weighing baggage with weighing sensors in feet attached to the base of the bag
WO2011015851A3 (en) * 2009-08-01 2011-06-16 Intelligent Luggage Ltd Self-weighing luggage
US20150129324A1 (en) * 2012-07-04 2015-05-14 Zhejiang Keeplong Precision Machinery Co., Ltd. Weighing Trolley Case
US9448099B2 (en) * 2012-07-04 2016-09-20 Zhejiang Keeplong Precision Machinery Co., Ltd. Self-weighing trolley case with weight sensor composed partially of soft material
US20170325561A1 (en) * 2016-05-12 2017-11-16 The Selfweighing Suitcase Company Limited Self-weighing luggage device
US10039362B2 (en) * 2016-05-12 2018-08-07 Selfweighing Suitcase Company Luggage with weight sensors

Also Published As

Publication number Publication date
EP0139711A1 (en) 1985-05-08
FI831209A0 (en) 1983-04-11

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