US3796984A - Electrical and mechanical connector for two part portable electronic device - Google Patents

Electrical and mechanical connector for two part portable electronic device Download PDF

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Publication number
US3796984A
US3796984A US00279203A US3796984DA US3796984A US 3796984 A US3796984 A US 3796984A US 00279203 A US00279203 A US 00279203A US 3796984D A US3796984D A US 3796984DA US 3796984 A US3796984 A US 3796984A
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US
United States
Prior art keywords
parts
projection
rib
housing
accordance
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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 - Lifetime
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US00279203A
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English (en)
Inventor
G Selinko
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Motorola Solutions Inc
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Motorola Inc
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Filing date
Publication date
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Publication of US3796984A publication Critical patent/US3796984A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H04B1/086—Portable receivers
    • H04B1/088—Portable receivers with parts of the receiver detachable or collapsible

Definitions

  • the connector mechanically connects a battery containing housing to a second housing containing electronic equipment and makes electrical connection from the battery to the equipment.
  • the interconnect ing parts may be molded of plastic material and may be integral with the housings.
  • One part has a projection with a lip extending therefrom and the other has an opening to receive the projection with a recess to receive the lip when the projection is rotated within the opening.
  • An arcuate shaped rib spaced from the projection and concentric therewith is received in an arcuate shaped concentric recess in the other part when the projection is rotated within the opening to provide a two-point interconnection of the two housing parts.
  • a spring biased latch may prevent rotation to hold the parts assembled until the latch is disengaged.
  • the connector can be used for a portable electronic device, such as a radio, to disengageably connect a battery housing to an equipment housing.
  • a portable electronic device such as a radio
  • Such connectors can be used to connect the battery housing to the equipment housing through a cable.
  • a further object of the invention is to provide a mechanical interconnecting structure for housing parts which is of simple and inexpensive construction.
  • Another object of the invention is to provide an interconnecting structure for detachably connecting housing parts wherein the interconnecting structure can be molded of plastic material or die cast of metal in a single piece.
  • a still further object of the invention is to provide an interconnecting structure for making mechanical and electrical interconnection between two parts, whereby interconnection is accomplished by simple movement of the parts with respect to each other, and which provides substantial interengaging contact for a secure mechanical interconnection.
  • Still another object of the invention is to provide an interconnecting structure for parts of an electrical device wherein resilient electrical contacts are arranged for wiping action with other contacts as the parts are interconnected.
  • a housing for a portable electronic device such as a radio
  • a housing for a portable electronic device having a first housing part for the electronic equipment and a -2 second housing part for the battery for energizing the equipment.
  • the interconnection is provided by spaced projections on one part and openings or recesses in the other part for receiving the projections to provide a secure interconnection.
  • One projection may be of cylindrical configuration with a protruding lip which extends in a cylindrical openingwhich is cut-away to pass the lip and a cavity to receive the lip for providing a locking engagement with the lip when the cylindrical projection is rotated.
  • the second projection is of concentric arcuate shape, with a wedge shaped crosssection which fits into a complementary arcuate shaped recess or slot'in the other part;
  • the arcuate projection slides in the arcuate recess as the cylindrical projection rotates within the circular opening.
  • a latching device secured to one part may engage a shoulder on the other part to prevent movement therebetween, as required to disengage the parts.
  • the latching device can be moved into a recess, out of the way of the shoulder, when it is desired to intentionally disconnect the parts.
  • One part can have resilient electrical contacts which engage fixed contacts of the other part when the parts are in the interconnected position to make electrical connections therebetween, as between a battery in the one part and electronic equipment in the other part.
  • the connector structure can also be used to provide connection to a cable for connecting housings which are physically separate.
  • FIG. 1 shows a portable radio having two housing parts interconnected by the connector of the invention
  • FIG. 2 shows the female part of the connector
  • FIG. 3 shows the male part of the connector
  • FIG. 4 is a cross-section along the lines 44 of FIG. 1 showing the interconnected parts
  • FIG. 5 illustrates the connection of the housing parts by use of a cable and two connectors in accordance with the invention.
  • FIG. 1 shows a radio device having a top housing 10 which includes the electronic circuitry, with controls 12 extending at the top for turning the device on and off and providing other desired controls.
  • An antenna 14, which may be a telescoping rod antenna, extends vertically from the top of housing 10.
  • the radio device may be a receiver only with a loudspeaker back of the grill opening 15, or may be a transmitter and receiver with a microphone and speaker back of the grill 15.
  • the device could be a transmitter only, of course, with a microphone back of the grill 15.
  • the radio device is operated from batteries contained in the second housing 16.
  • the housing parts can be molded of plastic material or die cast in metal, with the housing 16 formed directly about the batteries, so that a separate case is not required. It will be apparent that the device can be something other than a radio, such as an electric shaver, which is battery operated.
  • FIG. 2 shows the bottom of the housing 10 with the mechanical and electrical connecting structure thereon being illustrated.
  • the connector can be provided on a housing of any other configuration.
  • the housing includes a cylindrical opening 18 with a cut-out 20 on one side thereof. Spaced from the cylindrical opening is an arcuate shaped slot 22 having one side 23 which is slanting or undercut so that the crosssection of the slot is wedge shaped.
  • the arcuate slot 22 is concentric with the cylindrical opening 18.
  • FIG. 3 shows the upper portion of the battery housing 16, which has a cylindrical projection 24 to be: received in the cylindrical opening 18 in the housing 10.
  • the projection 24 has a protruding lip 26 which will fit into the cut-out to permit the projection 24 to be inserted in the opening 18, when the housing 16 is in one rotary position with respect to the housing 10.
  • the opening 18 has an undercut portion 21 adjacent the recess 20 forming a cavity, so that when the housing 16 is rotated with respect to the housing 10, the protruding lip 26 fits into the cavity 21to lock the two housing parts together.
  • the battery portion 16 also has a projecting rib 28 which is of arcuate shape, and which has a protruding edge 29 forming a wedge shaped cross-section.
  • the rib 28 is concentric with the projection 24 and fits into the slot 22, with the protruding edge 29 thereof extending within the spaced provided by the slanting side 23 of the slot 22.
  • the rib 28 is wider at its extremity, and the slot 22 has a complementary cross-section, the rib is retained in the slot.
  • the rib 28 has a projecting end 30 extending at the trailing edge which abuts against the edge of the side 23 of the slot. As the cylindrical projection 24 is rotated within the opening 18, the rib 28 which is concentric with the projection will enter the slot 22 until the projecting end engages the end 25 of the side Lion the housing 10.
  • FIG. 4 shows a cross-section of the housing parts 10 and 16 when in connected relation.
  • the projection 24 is within the opening 18, with the lip 26 within the recess 21 to provide an interlocking connection.
  • the rib 28 is within the slot 22, with the slanting edge 29 held under the slanting side 23 of the slot. That is, the wedge shaped rib 28 is held within the wedge shaped slot 22 to provide a second spaced concentric interlocking connection between the housing parts 10 and 16.
  • the housing parts 10 and 16 can be molded of plastic material or die cast in metal, with the projection 24 and rib 28 formed integrally with the housing 16, and the opening 18 and slot 22 formed directly in the housing 10. The parts when molded or die cast can have an interference fit which produces a tight fit and compensates for wear.
  • a latch device 32 is provided.
  • the device 32 includes a slide 33 mounted in a. recess 34 provided in the housing 10, as shown in FIG. 4.
  • a pro jection 35 extending from the slide 33, extends into the slot 22 (FIG. 2).
  • the projection 35 may be a screw threaded in the slide 33, as shown in FIG. 4.
  • the slide 33 has an angularly extending end 36 against which a spring 37 operates to hold the projection 35 in engaged position in the slot 22.
  • the outside of the end 36 forms a pushbutton for moving the slide 33 so that the screw 35 moves out of the slot 22 into the recess 38 (FIG. 2).
  • the end of rib 28 may have a slanting surface 31 (FIG.
  • battery contacts 40 are provided on the housing 16 in the space between the projection 24 and the rib 28. Secured to the housing 10 are contacts 42 which have ends with contact surfaces 44 for engaging the contacts 40 on the battery housing 16.
  • the contact surfaces 44 are spring biased to provide I resilient pressure against the contacts 40. This may be provided by a leaf spring structure, or byproviding coil springs back of the contact surfaces 44.
  • Additional contacts 46 may be provided on the housing 10 in the space which is covered by the housing 16 when the housings are interconnected for metering the circuits contained within this housing. During testing and metering operations, connections can be made to the contacts 44 for energizing the circuitswithin housing 10, and the contacts 46 provide metering connections.
  • fuse cap 48 provided at the base of the opening 18.
  • the projection 24 of housing 16 can have a recess 49 in the center thereof to provide clearance for the fuse cap 48.
  • the housing 10 can be used without modification with a connector 50 formed like the upper part of the housing 16 connected thereto. This is shown in FIG. 5.
  • the connector 50 can be connected by a cable 52 to another connector 54, which can be constructed like the bottom end of the housing 10.
  • the housing 52 can then be connected to the battery housing 16.
  • the battery housing 16 can be exactly the same as has been described for use directly connected to the equipment housing, or can be larger for providing a power supply with a greater capacity.
  • the connector 50 can have contacts for connection to the metering contacts 46, as well as to contacts 44.
  • the connecting structure described has been found to provide a secure interconnection between two housing parts with inter-engagement between the parts at two spaced points for a secure mechanical connection.
  • One connection is provided by the cylindrical projection which acts to position the parts properly so that the concentric arcuate rib will slide into the arcuate slot.
  • the lip on the projection is held in a recess, and the rib is held in the slot at a spaced position to provide a secure interconnection.
  • the electrical connection between the housing parts is improved by the wiping action produced when the parts are interconnected.
  • the connecting structure is very simple and can be easily formed integrally with the housings, either by molding of plastic material or die casting in metal.
  • a portable battery operated electric device including in combination,
  • a second housing part for containing a battery therein
  • said first and second parts having means for detachably interconnecting the same including,
  • said second housing part is molded of plastic material with battery means therein.
  • said first and second parts include electrical contacts, with the contacts on one part being spring biased to provide wiping engagement during movement of said parts from said first position to said second position, and pro- 6 viding spring biased engagement when said parts are in said second position.
  • a device in accordance with claim 1 further including a latch for latching said parts against relative rotation when said parts are in said second position.
  • said latch includes a slide connected to said first housing part and having a projection adapted to engage a notch on said second housing part when said parts are in said second position, said slide being adapted to be moved to a position wherein said projection is clear of said notch to permit rotation of said parts from said second position to said first position.
  • a connecting device for mechanically interconnecting a pair of separable parts including in combination,
  • a device in accordance with claim 16 further including a latch for holding said parts in position with said lip within said cavity and said rib within said slot.
  • a device in accordance with claim 17 furtherincluding electrical contacts on the parts for making electrical connection therebetween, with said contacts being engaged upon movement of said parts so that said lip is within said cavity and said rib is within said slot.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Battery Mounting, Suspending (AREA)
  • Casings For Electric Apparatus (AREA)
  • Structure Of Receivers (AREA)
US00279203A 1972-08-09 1972-08-09 Electrical and mechanical connector for two part portable electronic device Expired - Lifetime US3796984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27920372A 1972-08-09 1972-08-09

Publications (1)

Publication Number Publication Date
US3796984A true US3796984A (en) 1974-03-12

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ID=23068061

Family Applications (1)

Application Number Title Priority Date Filing Date
US00279203A Expired - Lifetime US3796984A (en) 1972-08-09 1972-08-09 Electrical and mechanical connector for two part portable electronic device

Country Status (10)

Country Link
US (1) US3796984A (en:Method)
JP (1) JPS5334621B2 (en:Method)
AR (1) AR197246A1 (en:Method)
BR (1) BR7305632D0 (en:Method)
CA (1) CA1010967A (en:Method)
DE (1) DE2340283B2 (en:Method)
FR (1) FR2195889B1 (en:Method)
GB (1) GB1407170A (en:Method)
IL (1) IL42777A (en:Method)
ZA (1) ZA734899B (en:Method)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973179A (en) * 1974-08-23 1976-08-03 The Black And Decker Manufacturing Company Modular cordless tools
US4074082A (en) * 1975-06-05 1978-02-14 Olympus Optical Co., Ltd. Coupling device between tape recorder and attachment
US4186983A (en) * 1978-10-30 1980-02-05 P. R. Mallory & Co. Inc. Battery connector
US4469765A (en) * 1983-03-04 1984-09-04 Motorola, Inc. Shock absorbing battery housing
US4714439A (en) * 1986-07-03 1987-12-22 Motorola, Inc. Electrical connector
US4933988A (en) * 1987-10-15 1990-06-12 Thibault Gerard J Audio receiver and detachable battery pack
WO1992016057A1 (en) * 1991-03-04 1992-09-17 Motorola, Inc. Integrated battery contact and mechanical latch
US5625555A (en) * 1989-01-31 1997-04-29 Norand Corporation Data communication system with adapter for removable coupling of portable data terminals
US6001093A (en) * 1993-10-15 1999-12-14 Ep Technologies, Inc. Systems and methods for creating long, thin lesions in body tissue
US6146379A (en) * 1993-10-15 2000-11-14 Ep Technologies, Inc. Systems and methods for creating curvilinear lesions in body tissue
US6471699B1 (en) 1993-10-14 2002-10-29 Ep Technologies, Inc. Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements
US20040127095A1 (en) * 2000-12-12 2004-07-01 Andreas Derr Module for measuring purposes
US20050151632A1 (en) * 2004-01-13 2005-07-14 Meta System- S.P.A. Unit for sensing obstacles in the vicinity of vehicles
US7048734B1 (en) 1993-10-15 2006-05-23 Ep Technologies, Inc. Systems and methods for electronically altering the energy emitting characteristics of an electrode array to create different lesion patterns in body tissue
US20140340021A1 (en) * 2013-05-20 2014-11-20 Hon Hai Precision Industry Co., Ltd. Portable electrical power source
US10348352B2 (en) 2017-11-07 2019-07-09 Popsockets Llc Expandable device for a portable electronic device
US10463116B2 (en) 2018-01-08 2019-11-05 Popsockets Llc Expandable socket accessory
USD928771S1 (en) 2019-01-07 2021-08-24 Popsockets Llc Grip and stand accessory for personal electronic device
WO2023244856A1 (en) * 2022-06-17 2023-12-21 Thales Defense & Security, Inc. Systems for providing a common battery piloting channel and vehicular amplifier adapter retention

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548824A (en) * 1993-08-25 1996-08-20 Mitsubishi Denki Kabushiki Kaisha Portable radio communication device housing having a battery storage unit
CN114914602B (zh) * 2022-05-31 2024-05-31 福建铕乾新能源科技有限公司 一种观光电动车锂电池组

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973179A (en) * 1974-08-23 1976-08-03 The Black And Decker Manufacturing Company Modular cordless tools
US4074082A (en) * 1975-06-05 1978-02-14 Olympus Optical Co., Ltd. Coupling device between tape recorder and attachment
US4186983A (en) * 1978-10-30 1980-02-05 P. R. Mallory & Co. Inc. Battery connector
US4469765A (en) * 1983-03-04 1984-09-04 Motorola, Inc. Shock absorbing battery housing
US4714439A (en) * 1986-07-03 1987-12-22 Motorola, Inc. Electrical connector
US4933988A (en) * 1987-10-15 1990-06-12 Thibault Gerard J Audio receiver and detachable battery pack
US5625555A (en) * 1989-01-31 1997-04-29 Norand Corporation Data communication system with adapter for removable coupling of portable data terminals
WO1992016057A1 (en) * 1991-03-04 1992-09-17 Motorola, Inc. Integrated battery contact and mechanical latch
US6471699B1 (en) 1993-10-14 2002-10-29 Ep Technologies, Inc. Systems and methods for forming elongated lesion patterns in body tissue using straight or curvilinear electrode elements
US6146379A (en) * 1993-10-15 2000-11-14 Ep Technologies, Inc. Systems and methods for creating curvilinear lesions in body tissue
US6001093A (en) * 1993-10-15 1999-12-14 Ep Technologies, Inc. Systems and methods for creating long, thin lesions in body tissue
US7048734B1 (en) 1993-10-15 2006-05-23 Ep Technologies, Inc. Systems and methods for electronically altering the energy emitting characteristics of an electrode array to create different lesion patterns in body tissue
US20040127095A1 (en) * 2000-12-12 2004-07-01 Andreas Derr Module for measuring purposes
US6839238B2 (en) 2000-12-12 2005-01-04 Testo Ag Module for measuring purposes
US20050151632A1 (en) * 2004-01-13 2005-07-14 Meta System- S.P.A. Unit for sensing obstacles in the vicinity of vehicles
US20140340021A1 (en) * 2013-05-20 2014-11-20 Hon Hai Precision Industry Co., Ltd. Portable electrical power source
US9197087B2 (en) * 2013-05-20 2015-11-24 Hon Hai Precision Industry Co., Ltd. Portable charger with rotatable locking portions
US10348352B2 (en) 2017-11-07 2019-07-09 Popsockets Llc Expandable device for a portable electronic device
US10686481B2 (en) 2017-11-07 2020-06-16 Popsockets Llc Expandable device for a portable electronic device
US10742251B2 (en) 2017-11-07 2020-08-11 Popsockets Llc Expandable device for a portable electronic device
US10463116B2 (en) 2018-01-08 2019-11-05 Popsockets Llc Expandable socket accessory
USD928771S1 (en) 2019-01-07 2021-08-24 Popsockets Llc Grip and stand accessory for personal electronic device
WO2023244856A1 (en) * 2022-06-17 2023-12-21 Thales Defense & Security, Inc. Systems for providing a common battery piloting channel and vehicular amplifier adapter retention

Also Published As

Publication number Publication date
BR7305632D0 (pt) 1974-08-22
FR2195889B1 (en:Method) 1979-06-22
ZA734899B (en) 1974-06-26
DE2340283A1 (de) 1974-02-21
CA1010967A (en) 1977-05-24
JPS4959237A (en:Method) 1974-06-08
IL42777A (en) 1976-07-30
IL42777A0 (en) 1973-10-25
JPS5334621B2 (en:Method) 1978-09-21
GB1407170A (en) 1975-09-24
AU5821473A (en) 1975-01-23
FR2195889A1 (en:Method) 1974-03-08
DE2340283B2 (de) 1976-02-05
AR197246A1 (es) 1974-03-22

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