US1585291A - Jack - Google Patents

Jack Download PDF

Info

Publication number
US1585291A
US1585291A US55270A US5527025A US1585291A US 1585291 A US1585291 A US 1585291A US 55270 A US55270 A US 55270A US 5527025 A US5527025 A US 5527025A US 1585291 A US1585291 A US 1585291A
Authority
US
United States
Prior art keywords
notches
sleeves
sleeve
jack
ratchet
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
US55270A
Inventor
Jordan George
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 US55270A priority Critical patent/US1585291A/en
Application granted granted Critical
Publication of US1585291A publication Critical patent/US1585291A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/14—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through pawl-and-ratchet mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves

Definitions

  • A. jack spactue o the class described inclwiing e. plurality of thleadedly and telescopicelly associated. sleevesv said sleeves provided. interiolly' with witchetnotches one the top emi one at the bottom, the notches oli' eeeh sleeve being oppositely disposed, and opting pastis on the exterior et the sleeves engageehle in seid notches to limit the movement of the sie( es in respect to one another.

Description

of construction, alici the combination and si'sngement ol' parts they be 1esoi'.ecl to 'without t eparting tiom the spirit or scope oit the invention als heieiueftei caimed oi' seericing any otite advantages.
Having; thus described the invention5 iwhat claim new is f l. A. jack stiuctue o the class described inclwiing e. plurality of thleadedly and telescopicelly associated. sleevesv said sleeves provided. interiolly' with witchetnotches one the top emi one at the bottom, the notches oli' eeeh sleeve being oppositely disposed, and opting pastis on the exterior et the sleeves engageehle in seid notches to limit the movement of the sie( es in respect to one another.
f3. il. stricture of the class described including; pluizjity threadeclly and. telescopicelly associated sleeves7 said sleeves pio'vid'etl interiorly with ratchet notches one el.: the to@ one et the bottom, the notches each sleeve being oppositely disposed, and
Moesel spring pswls on the exterfioi oi engageeble in said notches to limi; th ment oit' the sleeves in respect to o1 handle, and a pawl and ratchet- .ogzcf 'o associated Vwith the handle and the si ,i
sleeve.
3. A lack structure of 'the class dose" 'l inoludiiw of plurality of threuflcrlly y esoopically lassociated sleeves., Said piovicled inteliorly with ratchet notches out' at the top and one at the bottom, the non 'f of each sleeve being oppositely disposed, :im spring pewls on the exterior ot the .sl engageable in said notches to limit the rooie nlei'it'of the sleeves in respect to one moti o, handle, and i pul :mil ratchet. mecha] associated with the handle soil the muelles'. sleeve, a, base plate attached to the lmtom fi' eglge of the largest sleeve.
.ln testimony whereof l alix my s GEORGE JRDM..
US55270A 1925-09-09 1925-09-09 Jack Expired - Lifetime US1585291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US55270A US1585291A (en) 1925-09-09 1925-09-09 Jack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55270A US1585291A (en) 1925-09-09 1925-09-09 Jack

Publications (1)

Publication Number Publication Date
US1585291A true US1585291A (en) 1926-05-18

Family

ID=21996785

Family Applications (1)

Application Number Title Priority Date Filing Date
US55270A Expired - Lifetime US1585291A (en) 1925-09-09 1925-09-09 Jack

Country Status (1)

Country Link
US (1) US1585291A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655634A1 (en) * 1989-12-07 1991-06-14 Lombard Xavier Caged cylinder with telescopic hollow rods and use thereof
DE19818821A1 (en) * 1998-04-27 1999-11-04 Dieter Gobbers Lifting device for lifting a load, in particular for lifting a wheelchair
DE19910545C1 (en) * 1999-03-09 2000-07-06 Klaus Duchmann Lifting device for raising and lowering load has outer, rotatably located tube with at least three guide and support components distributed on periphery of inside of outer tube and displaced height wise in relation to one another
US6158809A (en) * 1998-04-27 2000-12-12 Gobbers; Dieter Seat mechanism for mounting in a shower or bathtub
US6581912B2 (en) * 2001-04-05 2003-06-24 The United States Of America As Represented By The Secretary Of The Army Jack assembly for supporting a shelter structure
ITTO20130593A1 (en) * 2013-07-15 2015-01-16 Brasola S R L TELESCOPIC SCREW JACKET

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655634A1 (en) * 1989-12-07 1991-06-14 Lombard Xavier Caged cylinder with telescopic hollow rods and use thereof
DE19818821A1 (en) * 1998-04-27 1999-11-04 Dieter Gobbers Lifting device for lifting a load, in particular for lifting a wheelchair
DE19818821C2 (en) * 1998-04-27 2000-07-27 Dieter Gobbers Lifting device for lifting a wheelchair
US6158809A (en) * 1998-04-27 2000-12-12 Gobbers; Dieter Seat mechanism for mounting in a shower or bathtub
US6247718B1 (en) 1998-04-27 2001-06-19 Dieter Gobbers Wheelchair for handicapped
DE19910545C1 (en) * 1999-03-09 2000-07-06 Klaus Duchmann Lifting device for raising and lowering load has outer, rotatably located tube with at least three guide and support components distributed on periphery of inside of outer tube and displaced height wise in relation to one another
US6581912B2 (en) * 2001-04-05 2003-06-24 The United States Of America As Represented By The Secretary Of The Army Jack assembly for supporting a shelter structure
ITTO20130593A1 (en) * 2013-07-15 2015-01-16 Brasola S R L TELESCOPIC SCREW JACKET

Similar Documents

Publication Publication Date Title
US1585291A (en) Jack
US1710878A (en) Flowerpot construction
USD68038S (en) Design for a china plate o r similar article
USD79269S (en) Design for a plate
USD73525S (en) Jack katz
USD84707S (en) A cobpobation of penn
DE441684C (en) Screw locking
USD73219S (en) George b
USD116340S (en) Design fob a finger ring
USD63972S (en) Design for a covered dish
USD73238S (en) Design for a plate
USD54423S (en) Design for a plate or similar article
USD73549S (en) Geobge e
USD69705S (en) Design por a bathing cap
USD78457S (en) Design for a table
USD70673S (en) Design for a slipper or similar article
USD80022S (en) Ernst ebbinghaus
USD83059S (en) Design pob a plate ob similab abticle
USD68036S (en) Design for a china plate or similar article
USD70054S (en) Design for a rug
US1888247A (en) Ball rack
USD84802S (en) Design for a covered disk or similar article
USD97417S (en) Design for a plate or similar
USD78275S (en) Edwabd e
Lawler The Easter Dances at Megara