DK139937B - Hydraulic or pneumatic lifting mechanism designed to provide a quick stroke and a working stroke. - Google Patents

Hydraulic or pneumatic lifting mechanism designed to provide a quick stroke and a working stroke.

Info

Publication number
DK139937B
DK139937B DK155473AA DK155473A DK139937B DK 139937 B DK139937 B DK 139937B DK 155473A A DK155473A A DK 155473AA DK 155473 A DK155473 A DK 155473A DK 139937 B DK139937 B DK 139937B
Authority
DK
Denmark
Prior art keywords
stroke
hydraulic
lifting mechanism
mechanism designed
pneumatic lifting
Prior art date
Application number
DK155473AA
Other languages
Danish (da)
Other versions
DK139937C (en
Inventor
Anders Ivar Bryntse
Karl-Erik Berkestad
Original Assignee
Bygg Och Transportekonomie Ab
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 Bygg Och Transportekonomie Ab filed Critical Bygg Och Transportekonomie Ab
Publication of DK139937B publication Critical patent/DK139937B/en
Application granted granted Critical
Publication of DK139937C publication Critical patent/DK139937C/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
DK155473AA 1972-03-24 1973-03-22 Hydraulic or pneumatic lifting mechanism designed to provide a quick stroke and a working stroke. DK139937B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7203859A SE370267B (en) 1972-03-24 1972-03-24

Publications (2)

Publication Number Publication Date
DK139937B true DK139937B (en) 1979-05-21
DK139937C DK139937C (en) 1979-10-22

Family

ID=20263022

Family Applications (2)

Application Number Title Priority Date Filing Date
DK155373AA DK140058B (en) 1972-03-24 1973-03-22 Hydraulic or pneumatic lifting mechanism or similar drive mechanism adapted to provide a quick stroke and a working stroke.
DK155473AA DK139937B (en) 1972-03-24 1973-03-22 Hydraulic or pneumatic lifting mechanism designed to provide a quick stroke and a working stroke.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK155373AA DK140058B (en) 1972-03-24 1973-03-22 Hydraulic or pneumatic lifting mechanism or similar drive mechanism adapted to provide a quick stroke and a working stroke.

Country Status (14)

Country Link
US (2) US3828650A (en)
JP (2) JPS496377A (en)
BE (2) BE796722A (en)
CA (2) CA973064A (en)
CH (2) CH545919A (en)
DE (2) DE2314403A1 (en)
DK (2) DK140058B (en)
FI (2) FI57649C (en)
FR (2) FR2177999B1 (en)
GB (2) GB1380889A (en)
IT (2) IT979983B (en)
NL (2) NL7304143A (en)
NO (2) NO138877C (en)
SE (1) SE370267B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258609A (en) * 1977-10-11 1981-03-31 Conway John P Dual speed hydraulic piston assembly
US4392220A (en) * 1980-05-30 1983-07-05 Nippon Electric Co., Ltd. Modem to be coupled to a directional transmission line of an SS multiplex communication network
AT389079B (en) * 1988-05-19 1989-10-10 Engel Gmbh Maschbau CLOSING MECHANISM OF AN INJECTION MOLDING MACHINE
JP2986696B2 (en) * 1994-12-08 1999-12-06 シーケーディ株式会社 Air bearing cylinder and cylinder system
CA2507149A1 (en) * 2005-05-12 2006-11-12 P & M Design & Consulting Ltd. Pneumatic cylinder
CN113606205B (en) * 2021-08-04 2023-09-15 盾构及掘进技术国家重点实验室 TBM props boots device based on distributed initiative plunger

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049335A (en) * 1934-09-15 1936-07-28 William G Stephens Quick action hydraulic jack
US2284228A (en) * 1940-03-18 1942-05-26 Herbert E Page Pressure multiplying mechanism
US2571658A (en) * 1946-07-22 1951-10-16 Hpm Dev Corp Multiple area piston means
US2532735A (en) * 1949-05-06 1950-12-05 American Steel Foundries Hydraulic press with auxiliary pump in cooling by-pass
GB654191A (en) * 1949-07-12 1951-06-13 Laycock Engineering Company Lt Improvements in or relating to hydraulic jacks, presses and like hydraulic apparatus
DE1765271U (en) * 1956-06-21 1958-04-17 Ludwig Rexroth RAPID PISTON.
CH338099A (en) * 1957-08-26 1959-04-30 Charmilles Sa Ateliers Servo-mechanism for controlling the movements of an electrode in an EDM machine
US3134232A (en) * 1961-10-02 1964-05-26 Walker Mfg Co Jack
DE2007711C3 (en) * 1970-02-19 1974-03-07 Michael Maurus 6710 Frankenthal Glas Piston gear with rapid traverse and power stroke

Also Published As

Publication number Publication date
BE796722A (en) 1973-07-02
JPS5627725B2 (en) 1981-06-26
CH545919A (en) 1974-02-15
DK140058C (en) 1979-11-12
FR2177999A1 (en) 1973-11-09
IT979983B (en) 1974-09-30
NL7304144A (en) 1973-09-26
NO140924C (en) 1979-12-12
FI57649C (en) 1980-09-10
US3828650A (en) 1974-08-13
GB1380889A (en) 1975-01-15
DE2314402A1 (en) 1973-10-04
IT979982B (en) 1974-09-30
JPS496376A (en) 1974-01-21
FI57650B (en) 1980-05-30
NO138877C (en) 1978-11-29
DK139937C (en) 1979-10-22
NL7304143A (en) 1973-09-26
SE370267B (en) 1974-10-07
NO140924B (en) 1979-09-03
FI57649B (en) 1980-05-30
DK140058B (en) 1979-06-11
BE796718A (en) 1973-07-02
CA973064A (en) 1975-08-19
FR2178002A1 (en) 1973-11-09
GB1382378A (en) 1975-01-29
JPS496377A (en) 1974-01-21
FI57650C (en) 1980-09-10
US3824897A (en) 1974-07-23
CH546347A (en) 1974-02-28
NO138877B (en) 1978-08-21
DE2314403A1 (en) 1973-10-04
FR2178002B1 (en) 1976-04-23
FR2177999B1 (en) 1976-04-23
CA974431A (en) 1975-09-16

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Legal Events

Date Code Title Description
PBP Patent lapsed