FR2636684B1 - TELESCOPIC STAND WITH BALL LOCK - Google Patents

TELESCOPIC STAND WITH BALL LOCK

Info

Publication number
FR2636684B1
FR2636684B1 FR8812414A FR8812414A FR2636684B1 FR 2636684 B1 FR2636684 B1 FR 2636684B1 FR 8812414 A FR8812414 A FR 8812414A FR 8812414 A FR8812414 A FR 8812414A FR 2636684 B1 FR2636684 B1 FR 2636684B1
Authority
FR
France
Prior art keywords
ball lock
telescopic stand
telescopic
stand
ball
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 - Lifetime
Application number
FR8812414A
Other languages
French (fr)
Other versions
FR2636684A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8812414A priority Critical patent/FR2636684B1/en
Publication of FR2636684A1 publication Critical patent/FR2636684A1/en
Application granted granted Critical
Publication of FR2636684B1 publication Critical patent/FR2636684B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems
    • F16B7/14—Telescoping systems locking in intermediate non-discrete positions
    • F16B7/1409—Telescoping systems locking in intermediate non-discrete positions with balls or rollers urged by an axial displacement of a wedge or a conical member
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/02—Crutches
FR8812414A 1988-09-19 1988-09-19 TELESCOPIC STAND WITH BALL LOCK Expired - Lifetime FR2636684B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8812414A FR2636684B1 (en) 1988-09-19 1988-09-19 TELESCOPIC STAND WITH BALL LOCK

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8812414A FR2636684B1 (en) 1988-09-19 1988-09-19 TELESCOPIC STAND WITH BALL LOCK

Publications (2)

Publication Number Publication Date
FR2636684A1 FR2636684A1 (en) 1990-03-23
FR2636684B1 true FR2636684B1 (en) 1990-12-07

Family

ID=9370285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8812414A Expired - Lifetime FR2636684B1 (en) 1988-09-19 1988-09-19 TELESCOPIC STAND WITH BALL LOCK

Country Status (1)

Country Link
FR (1) FR2636684B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH168984A (en) * 1933-06-01 1934-05-15 Hunziker Itschner Aug Device for adjusting a seat, a table top and the like in different heights.
DE861321C (en) * 1951-06-24 1952-12-29 Seifert Geb Extension tube for tripods
US3990542A (en) * 1974-12-16 1976-11-09 Tyee Aircraft, Inc. Linear motion arresting device
DE2510062C3 (en) * 1975-03-07 1979-08-30 Kraftwerk Union Ag, 4330 Muelheim Telescopic device for nuclear power plants
FR2323051A1 (en) * 1975-09-04 1977-04-01 Sauvagnat & Cie Telescopic umbrella shaft retainer - has opposed sprung balls locating in dimples in outer tube to exclude moisture

Also Published As

Publication number Publication date
FR2636684A1 (en) 1990-03-23

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Legal Events

Date Code Title Description
ST Notification of lapse