FR2446250A1 - Pince de manutention et de levage pour toles metalliques - Google Patents

Pince de manutention et de levage pour toles metalliques

Info

Publication number
FR2446250A1
FR2446250A1 FR7835291A FR7835291A FR2446250A1 FR 2446250 A1 FR2446250 A1 FR 2446250A1 FR 7835291 A FR7835291 A FR 7835291A FR 7835291 A FR7835291 A FR 7835291A FR 2446250 A1 FR2446250 A1 FR 2446250A1
Authority
FR
France
Prior art keywords
sheet material
lifting hook
arm
interposed
spring controlled
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.)
Granted
Application number
FR7835291A
Other languages
English (en)
Other versions
FR2446250B1 (fr
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 FR7835291A priority Critical patent/FR2446250A1/fr
Priority to DE19792949271 priority patent/DE2949271A1/de
Priority to US06/101,558 priority patent/US4327944A/en
Publication of FR2446250A1 publication Critical patent/FR2446250A1/fr
Application granted granted Critical
Publication of FR2446250B1 publication Critical patent/FR2446250B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/48—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces to vertical edge portions of sheets, tubes, or like thin or thin-walled articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Advancing Webs (AREA)

Abstract

L'invention concerne une pince à tôles. Le mors mobile de serrage, ou came pivotante 9 de la mâchoire 5 est escamoté ou armé par un ressort de compression 17 à deux positions stables. Le mors opposé fixe 15 est flottant sur une mâchoire 14 adaptable. On obtient un coincement maximal pour un serrage minimal. La tôle engagée dans l'entrefer 13 est libérée en tirant le mécanisme de rappel de haut en bas. Application : levage de tôles de grandes dimensions à parois polies, par pince à mâchoire réglable.
FR7835291A 1978-12-08 1978-12-08 Pince de manutention et de levage pour toles metalliques Granted FR2446250A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7835291A FR2446250A1 (fr) 1978-12-08 1978-12-08 Pince de manutention et de levage pour toles metalliques
DE19792949271 DE2949271A1 (de) 1978-12-08 1979-12-07 Greifzange zum handhaben oder anheben von blechen o.dgl.
US06/101,558 US4327944A (en) 1978-12-08 1979-12-07 Tongs designed to lift and handle metal sheets and similar materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7835291A FR2446250A1 (fr) 1978-12-08 1978-12-08 Pince de manutention et de levage pour toles metalliques

Publications (2)

Publication Number Publication Date
FR2446250A1 true FR2446250A1 (fr) 1980-08-08
FR2446250B1 FR2446250B1 (fr) 1982-10-08

Family

ID=9216144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835291A Granted FR2446250A1 (fr) 1978-12-08 1978-12-08 Pince de manutention et de levage pour toles metalliques

Country Status (1)

Country Link
FR (1) FR2446250A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409844A (zh) * 2019-07-26 2019-11-05 镇江玖润机械科技有限公司 水泥隔墙板安装机

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190908917A (en) * 1909-04-15 1909-08-19 Frederick Thomas Improvements in Lifting Grabs or Dogs.
US1592080A (en) * 1926-03-11 1926-07-13 Clinton T Coates Grapples
US2550424A (en) * 1948-10-19 1951-04-24 Penn W Penn Positive grip lifting tool
US2647007A (en) * 1950-05-18 1953-07-28 Merrill Brothers Adjustable lifting clamp
FR1203108A (fr) * 1958-07-21 1960-01-15 Dispositif de prise notamment pour le levage des tôles
FR1342402A (fr) * 1962-10-26 1963-11-08 Merrill Brothers Pinces de levage pour plaques d'acier
US3300242A (en) * 1966-05-27 1967-01-24 Safety Clamps Inc Plate lifting clamps
US3507534A (en) * 1968-12-30 1970-04-21 Merrill Brothers Plate lifting clamp with automatic release mechanism
FR2205467A1 (fr) * 1972-11-07 1974-05-31 Pechiney Aluminium

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190908917A (en) * 1909-04-15 1909-08-19 Frederick Thomas Improvements in Lifting Grabs or Dogs.
US1592080A (en) * 1926-03-11 1926-07-13 Clinton T Coates Grapples
US2550424A (en) * 1948-10-19 1951-04-24 Penn W Penn Positive grip lifting tool
US2647007A (en) * 1950-05-18 1953-07-28 Merrill Brothers Adjustable lifting clamp
FR1203108A (fr) * 1958-07-21 1960-01-15 Dispositif de prise notamment pour le levage des tôles
FR1342402A (fr) * 1962-10-26 1963-11-08 Merrill Brothers Pinces de levage pour plaques d'acier
US3300242A (en) * 1966-05-27 1967-01-24 Safety Clamps Inc Plate lifting clamps
US3507534A (en) * 1968-12-30 1970-04-21 Merrill Brothers Plate lifting clamp with automatic release mechanism
FR2205467A1 (fr) * 1972-11-07 1974-05-31 Pechiney Aluminium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409844A (zh) * 2019-07-26 2019-11-05 镇江玖润机械科技有限公司 水泥隔墙板安装机

Also Published As

Publication number Publication date
FR2446250B1 (fr) 1982-10-08

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property