EP0481151A1 - Klemmkeil zum Bergsteigen oder zur Speläologie - Google Patents

Klemmkeil zum Bergsteigen oder zur Speläologie Download PDF

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Publication number
EP0481151A1
EP0481151A1 EP90810785A EP90810785A EP0481151A1 EP 0481151 A1 EP0481151 A1 EP 0481151A1 EP 90810785 A EP90810785 A EP 90810785A EP 90810785 A EP90810785 A EP 90810785A EP 0481151 A1 EP0481151 A1 EP 0481151A1
Authority
EP
European Patent Office
Prior art keywords
jaws
cylinder
chock
spring
jammer
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.)
Withdrawn
Application number
EP90810785A
Other languages
English (en)
French (fr)
Inventor
Gilbert Perrin
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 EP90810785A priority Critical patent/EP0481151A1/de
Publication of EP0481151A1 publication Critical patent/EP0481151A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A63B29/024—Climbing chocks

Definitions

  • the subject of the invention is a jammer, in particular for mountaineering or speleology.
  • the jammer is a metal utensil used for belaying on a rock wall. Playing the role of piton, the jammer is placed in a crack and is blocked under the effect of traction. It provides effective belaying and, unlike the piton, does not degrade the rock.
  • the first jammers were made up of a wedge-shaped piece in which a cable was fixed. Although simple in construction, they carried a certain weight. This is why very quickly there appeared the problem of recovering the jammer after use. In addition, these first jammers are inert, that is to say that once placed in a crack, they only hold in place as far as a traction is exerted on them or else it is necessary to take the risk of wedge them very hard and then no longer be able to remove them.
  • the invention aims to present a simple construction jammer, therefore inexpensive, easy to recover and having all the safety guarantees.
  • a jammer according to the invention comprises a flexible element 5, 6 which in the embodiment shown is a cable, for example a car brake cable.
  • the car brake cable is a particularly suitable material because it is resistant while not being too flexible.
  • the cable 5, 6 defines a loop 19 in which it is possible to hang a carabiner or a cord; in order to avoid wear, the cable in the loop area has a protective sheath 12.
  • the cable 5, 6 is held in a U shape by bars 7, 8, 13 and the two ends of the branches 5, 6 of the U are anchored in the movable element 1 which in the embodiment shown is a circular aluminum cylinder.
  • the cylinder 1 is in two jaws 2 and 3 which are also made of aluminum.
  • the jaw 3 has a stud which is placed in a recess 18 provided on the jaw 2.
  • An axis 4 passes through a hole in the jaw 2 and into a hole in the jaw 3. This means that the two jaws are articulated around of the axis 4.
  • the two branches 5, 6 of the U-shaped cable pass through the two jaws 2, 3 so that the latter can slide along said two branches 5 and 6.
  • a spring 9 pressing on the bar 7 pushes the jaws 2, 3 against the cylinder 1 so as to bring the cylinder 1 closer to the axis 4. This has the effect of keeping the jaws 2 and 3 in a separated position.
  • a flexible element 10, a cable in the embodiment shown is fixed to the jaws 2 and 3 and passes through the spring 9 to end in a loop 11 which bears against the bar 8.
  • the loop 11 in the form of execution shown is a circular ring having its center in point 17, but this loop could have any shape and even it could be replaced by a bar.
  • the outer surface of one of the jaws In order to increase the grip without making recovery from the jammer too difficult, it has been found that it is advantageous for the outer surface of one of the jaws to be substantially smooth and flat, while the outer surface of the other jaw has a double curvature with streaks.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Emergency Lowering Means (AREA)
EP90810785A 1990-10-15 1990-10-15 Klemmkeil zum Bergsteigen oder zur Speläologie Withdrawn EP0481151A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90810785A EP0481151A1 (de) 1990-10-15 1990-10-15 Klemmkeil zum Bergsteigen oder zur Speläologie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90810785A EP0481151A1 (de) 1990-10-15 1990-10-15 Klemmkeil zum Bergsteigen oder zur Speläologie

Publications (1)

Publication Number Publication Date
EP0481151A1 true EP0481151A1 (de) 1992-04-22

Family

ID=8205959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810785A Withdrawn EP0481151A1 (de) 1990-10-15 1990-10-15 Klemmkeil zum Bergsteigen oder zur Speläologie

Country Status (1)

Country Link
EP (1) EP0481151A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8593706B2 (en) 2007-01-15 2013-11-26 Samsung Electronics Co., Ltd. Illuminating light source, scanner module employing the same, and image scanning apparatus employing the scanner module
CZ306178B6 (cs) * 2014-04-24 2016-09-07 Vysoká Škola Báňská - Technická Univerzita Ostrava Pákový mechanický vklíněnec
CN111420368A (zh) * 2020-05-19 2020-07-17 郭细婷 一种电线杆电网搭设用自动攀爬装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396562A1 (fr) * 1977-07-05 1979-02-02 Bellefon Patrice De Assemblage de coins d'alpinisme
EP0195654A2 (de) * 1985-03-18 1986-09-24 Karl Guthrie Kletterhilfe mit Keil und Rolle
US4715568A (en) * 1985-09-20 1987-12-29 David A. Hornbeck Expansible piton

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396562A1 (fr) * 1977-07-05 1979-02-02 Bellefon Patrice De Assemblage de coins d'alpinisme
EP0195654A2 (de) * 1985-03-18 1986-09-24 Karl Guthrie Kletterhilfe mit Keil und Rolle
US4715568A (en) * 1985-09-20 1987-12-29 David A. Hornbeck Expansible piton

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8593706B2 (en) 2007-01-15 2013-11-26 Samsung Electronics Co., Ltd. Illuminating light source, scanner module employing the same, and image scanning apparatus employing the scanner module
CZ306178B6 (cs) * 2014-04-24 2016-09-07 Vysoká Škola Báňská - Technická Univerzita Ostrava Pákový mechanický vklíněnec
CN111420368A (zh) * 2020-05-19 2020-07-17 郭细婷 一种电线杆电网搭设用自动攀爬装置

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