US3766758A - Combination padlock - Google Patents

Combination padlock Download PDF

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Publication number
US3766758A
US3766758A US00283303A US3766758DA US3766758A US 3766758 A US3766758 A US 3766758A US 00283303 A US00283303 A US 00283303A US 3766758D A US3766758D A US 3766758DA US 3766758 A US3766758 A US 3766758A
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US
United States
Prior art keywords
shackle
opening
portions
long portion
face
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
US00283303A
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English (en)
Inventor
H Heine
R Wingert
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.)
Kidde Inc
Presto Lock Co Inc
Original Assignee
Presto Lock Co Inc
Walter Kidde and Co Inc
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 Presto Lock Co Inc, Walter Kidde and Co Inc filed Critical Presto Lock Co Inc
Application granted granted Critical
Publication of US3766758A publication Critical patent/US3766758A/en
Assigned to PRESTO LOCK, INC., A CORP. OF NJ reassignment PRESTO LOCK, INC., A CORP. OF NJ ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: PRESTO LOCK COMPANY, DIVISION OF WALTER KIDDE & COMPANY, INC., A DE CORP.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00—Permutation or combination locks; Puzzle locks
    • E05B37/02—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others
    • E05B37/025—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others in padlocks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/40—Portable
    • Y10T70/413—Padlocks
    • Y10T70/417—Combination-controlled
    • Y10T70/422—Rigid shackle
    • Y10T70/424—Sliding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7153—Combination
    • Y10T70/7322—Permutation
    • Y10T70/7328—Compound tumblers
    • Y10T70/7339—Pin and socket

Definitions

  • ABSTRACT 0 A combination padlock of the multiple dial type is provided with a cam at the end of the long portion of the essential shackle for cooperation with the sleeves for the dials to enable setting or changing the combination. Also, the elements of the padlock are so related to one another that the device is suitable for heavy duty usage including the permanent connection thereto of a chain without increasing the size of the device to any appreciable degree.
  • the invention relates to combination padlocks, and is more particularly directed to improvements in combination padlocks of a type including means for setting or changing the combination to a combination of ones own personal choice.
  • the padlock disclosed in the aforementioned Denerich patent has the dials located at the bottom end of the lock, or the end opposite the end where the shackle is located.
  • the dials are so located in this prior art device because of the necessity to use the remaining volume of the body to house other elements. Such arrangement does not permit the connection of a chain to the body of the padlock; the dials are located where the chain would best be connected to the device.
  • a combination lock made in accordance with the invention comprises a body having an internal cavity and a plurality of spaced slots in communication with the cavity.
  • a dial provided with indicia or numbers is positioned in each slot.
  • a shaft is mounted within the cavity, the shaft being mounted for displacement in the direction of its axis.
  • a sleeve for each dial is mounted on the shaft with the sleeves in abutting, end-to-end relationship.
  • Each sleeve has a flange and a flat portion.
  • Cooperable means is provided by each dial and its respective sleeve for separably keying them together, and spring means is provided to normally urge the sleeves into keyed relationship with their respective dials.
  • a bolt is positioned within the cavity of the body, and means is provided for normally resiliently maintaining the bolt against the sleeves.
  • a shackle having a long portion and a short portion is mounted on the body so that the long portion extends into the internalcavity. As usual, the shackle is moveable to a first open position and a second closed position. One end of the body is provided with means to receive the end of the shackles short portion in the closed position of the shackle.
  • the long portion of the shackle and the shaft for the sleeves and dials lie substantially in the same plane with the longitudinal axis of the shackles long portion extending perpendicular to the longitudinal axis of the shaft.
  • Cooperable means are provided by the shackle and the bolt whereby the shackle is prevented from longitudinal movement when the shackle is in closed position and the bolt is displaced by a flange on a sleeve.
  • the free end of the long portion of the shackle is provided with cam means, such cam means being cooperable with the end of the shaft to displace the shaft and disengage the sleeves from their respective dials.
  • An object of the invention is to provide a combination padlock which eliminates obtrusive or visible means for changing the combination.
  • Another object of the invention is to provide a combination padlock having a minimal number of rugged parts to thereby furnish a combination padlock suitable for heavy duty.
  • a further object of the invention is to provide a combination lock including means for changing the combination to a combination of one s own personal choice, the padlock being constructed so that the essential shackle is formed to provide a cam which is used to change or set the combination.
  • Still another object of the invention is to provide a combination padlock wherein the combination elements or dials and their associated sleeves are situated within the body and related to the shackle in a manner to permit the body to act as a base for the connection thereto of a chain without unduly increasing the size of the'product.
  • FIG. 1 is a top plan view, partly broken away for clarity in illustration, of a combination padlock made in accordance with the invention
  • FIG. 2 is a transverse, vertical cross-sectional view taken approximately in the plane of line 2-2 of FIG.
  • FIG. 3 is a longitudinal, vertical cross-sectional view taken approximately in the plane of line 33 of FIG. 2, this view showing the shackle in closed position but with the mechanism on combination" with the shackle in readiness to be moved to the outward or open position;
  • FIG. 4 is a view similar to FIG. 3, except that the mechanism is off combination" or in locked condition; 1
  • FIGS. 5, 6 and 7 are partial top plan views, partly broken away and in section, showing the relationship of the cam on the shackle to the end of the shaft in various stages of the manipulation of theshackle to change or set the combination;
  • FIG. 8 ' is a partial side elevational view-showing the extreme longitudinal-positions of the long portion of the shackle, this view being taken approximately in the plane of line 8-8 of FIG. 7; a
  • FIG. 9 is a top plan view of the bolt member.
  • FIG. 10 shows a dial with an associated flanged sleeve.
  • the combination locking means includes four dials C. With four dials each having ten indicia or numbers thereon, there are ten thousand different possible combinations available. It will be understood that any desired number of dials may be used to furnish the desired number of available combinations.
  • the structure of the dials and of the sleeves and their relationship to one another are essentially the same as disclosed in US. Gehrie Pat. No. 3,416,338 granted Dec. 17, 1968.
  • the dials C are each provided with indicia or numbers in equidistantly spaced relation on the outer circumference. Between adjacent numbers there are grooves 24 adapted to receive means provided by the dial cooperable means or spring member E (FIGS. 3 and 4) so that the dials when related to their respective sleeves D and mounted on the shaft F may be resiliently maintained in selected circumferential position.
  • each dial C has a central opening 26 through which the shank 28 of a sleeve D may be extended with a slight amount of clearance (FIGS. 2 and 7).
  • the sleeve has a central bore 30 of a diameter slightly greater than the diameter of the shaft F.
  • each sleeve is provided with a flange 32 having a larger diameter than the central opening 26 of a dial.
  • the flanged end of the sleeve is provided with a flat portion 34.
  • a detent or detents 36 are provided at the juncture of the flange and the sleeves shank.
  • each dial C On one side of each dial C, circumferentially arranged detent receiving recesses 38 are provided adjacent the opening 26, there being one recess in alignment with each number on the dials outer circumference.
  • the recesses 38 extend only partially into the side wall of the dial and are adapted to receive the detents 36, whereby a dial and a sleeve may be keyed or meshed to one another.
  • spring means G surrounding the shaft F acts to normally urge the sleeves into keyed relationship with their respective dials.
  • the body A comprises a pair of body or casing members 40 and 42 suitably connected to one another.
  • the body members be made by die casting.
  • One body member is provided with a pair of transversely spaced connecting studs 44, and the other body member is made with aligned spaced openings 46 (FIGS. 3 and 4) through which the connecting studs are extended.
  • the members are connected to one another by a force fit of the studs within the respective openings.
  • connecting studs and the aligned openings may be dimensioned so that the connecting studs are extended through the openings following which the ends of the studs are headed over to securely connect the parts to one another.
  • a third connecting stud 48 is provided on the central longitudinal axis and spaced longitudinally from the aforementioned connecting studs 44 for additional connecting strength and for another function to be subsequently described.
  • the peripheral edges of the intumed sides 50, 50 and 52, 52' (FIG. 2) and of the inturned ends 54, 54 and 56, 56' (FIGS. 3 and 4) of the body members 40 and 42 are firmly pressed against one another to provide an internal cavity 58.
  • the internal cavity is in communication with a plurality of transversely spaced slots 60 formed in the face of a body member, the member 40 as shown.
  • the slots each have a dial C positioned therein.
  • the body members are formed or cast so that when connected to one another a sliding bearing 62 is provided for one end of the shaft F.
  • the opposite end of the shaft is provided with an enlarged headed portion 64 and the body members are cast to receive, when assembled, the enlarged head portion of the shaft with a slight amount of clearance to permit the shaft to be reciprocated or displaced in the direction of its longitudinal axis.
  • the purpose of the displaceable shaft and its headed end will be subsequently described.
  • the shackle B has the usual J-shape and comprises a long portion or leg 66 and a short portion or leg 68 parallel thereto. The legs are connected by a curved or bent portion 70. The long portion extends through an opening 72 in the body (FIGS. 5 and 6) with a small amount of clearance and into the cavity 58.
  • the body is provided with an opening 74 to receive the end 76 of the short portion 68 when the shackle is in the closed position shown in FIG. 1.
  • a web 78 of a body member serves as a stop to limit the extent that the shackle may be moved inwardly to the closed position.
  • the shackle is provided with a notch 80 for cooperation with a bolt H.
  • the shackle is provided with a pair of notches, one in each leg of the shackle and in alignment with one another.
  • the bolt H is related to the sleeves D and cooperable with the notches 80 provided by the shackle B to lock and unlock the device. As shown in FIGS. 3 and 4, the bolt is mounted for pivotal movement about a fulcrum 82 provided by the body or, more specifically, by the body member 42.
  • the bolt has an arm portion 84 on one side of the fulcrum for engagement by each of the sleeves and a second arm portion 86 on the other side of the fulcrum related to the shackle.
  • Means is provided for normally resiliently maintaining the bolt against the sleeves, and for this purpose a coiled compression spring I is positioned with one end thereof bearing against a locating projection 88 on the arm side 86 of the bolt. The opposite end of the spring surrounds an aligned locating projection 90 formed on the underside body member 40.
  • the bolt H is provided with slots 92 to allow the dials to extend therethrough. Where four dials are used the bolt need have but three slots, the fourth dial-being positioned adjacent one end of the bolt as shown in FIG. 2.
  • the arm side 86 of the bolt is provided with oppositely extending bar portions 93 which are dimensioned to be received with a slight amount of clearance in the notches 80 in the long and short portions 66 and 68 of the shackle. As will also be apparent from FIG.
  • the flange portions 32 of the sleeves D are related to the web portions 94 of the bolt so that when a dial is rotated, the concomitantly its keyed sleeve is rotated, a flange 32 may apply force against a portion 94 of the bolt to displace the bolt against the action of the spring I from the position shown in FIG. 3 to the position shown in FIG. 4.
  • the padlock is on combination.
  • the shackle B may be moved from the closed position of FIG. 1 to the open position and vice versa.
  • the oppositely extending bar portions 93 are clear of the notches 80 in the shackle as shown in FIG. 3 to allow movement of the shackle.
  • the shackle is moved to the closed position shown in FIG.
  • a dial or dials are rotated to cause a flange or flanges 32 on a sleeve or sleeves to rock the bolt about the fulcrum 82, whereupon the bar portions 93 -of the bolt enter the notches 80 as shown in FIG. 4 to prevent the shackle from being pulled out of the body A.
  • the free end of the long portion of the shackle is provided with cam means for cooperation with the end of the shaft F to disengage the sleeves D from their respective dials C and allow resetting the sleeves with respect to the dials.
  • the shackles long portion 66 is provided with a flat portion or section 96 at the free end of the otherwise substantially round cross section of the shackle.
  • the shaft F and the long portion of the shackle lie substantially in the same plane with the longitudinal axis of the long portion extending perpendicularly to the longitudinal axis of the shaft.
  • the long portion of the shackle is moveable in a direction parallel to the longitudinal axis thereof by virtue of the ability of the shackle to move from the closed position to an open position and vice versa.
  • the movement of the shackle to open position is limited by a stop 98 provided by the body which is engaged by a flange 100 provided on the shackle leg 66 as shown in FIGS. 5 and 6.
  • the cam means or flat section is cooperable with the end of the shaft, or the shafts headed portion 64 in a selected rotated position of the shackle.
  • the manipulative steps to change or set the device to a combination of ones own selection is accomplished as follows. With the device on combination and the shackle pulled out to the open position or to the point where the flange 100 engages the stop 98, the shackle is rotated 180 about the axis provided by the long portion 66 to the position shown in FIG. 5. Secondly, the shackle is pushed inwardly to the position shown in FIG. 6. In this position the-flat cam 96 is oriented so that a face thereof is positioned opposite the end of the shaft or the enlarged head portion. 64 which on its op-' disengagement of the sleeves unless the precise procedure above described is followed. In fact, the appearance of the padlock does not suggest that it is of the variety which enables an individual to set the combination to a combination of his own secret choice.
  • the padlock When the sleeves are all oriented as shown in FIG. 3, the padlock is on combination". With the padlock in such condition, the dials cannot be rotated when the shackle has been pulled out to open position and rotated to where the end 76 of the shackle is out of alignment with the recess 74. The dials cannot be rotated because of the back pressure being placed on the sleeves D by the bolt B. A bar portion 93 of the bolt bears against the periphery of the long portion 66 of the shackle at an area adjoining the notch 80 or on the periphery of the shackle where it has its greatest diameter so that the bolt is maintained in the position shown in FIG. 3. The dials cannot be rotated to cause the loss of the combination by one who would tamper with the device.
  • the combination padlock of the invention has the elements thereof arranged or related to one another so that a minimal number of rugged parts furnish a product suitable for heavy duty.
  • the body members and 42 are formed or cast so that when they are connected to one another a tunnel-like opening 106 is provided at the end of the body opposite the end where the shackle is located.
  • the end link 108 of a chain L is laid in place so that when the assembly is completed the chain is connected to the body at the bottom end of the assembly and below the dials which appear on one face of the assembly. It will be apparent from the viewing of FIGS. 3 and 4 that a very strong structure is afforded; the link of the chain is connected to the padlock by. substantial thickness of metal and by substantial means, though the total volume of the device is comparatively minimal.
  • the shackle is rotated back 90 from the position shown in dot-dash line to the solid line position shown in FIG. 7 to furnish the camming action and thereby cause theshaft F to be displaced and the sleeves D to be unkeyed from the dials C.
  • dials maybe rotated to the desired combination follow ing which the described manipulative procedure is reversed to furnish the new selected combination.
  • the leaf spring K is formed with shoulders 102 and 104 for engagement by the flange 100 in the respective positions of the shackle.
  • the described padlock is practically tamper-proof. To change the combination one must exactly follow the manipulative procedure hereinbefore described, and following such procedure requires reading the instructions accompanying the product.
  • the head portion 64 of the shaft acts as an obstacle to prevent the cam 96 from reaching the position where it may act to cause ing detailed. description of a preferred embodiment of the invention. Various changes maybe made without departing from the spirit and scope of the invention as sought to be defined in the following claims.
  • a combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a shaft mounted for reciprocation within the cavity, a dial positioned in each slot, a sleeve for each dial mounted on the shaft with the sleevesin abutting, end-to-end relationship, each sleeve having a flange anda flat portion, cooperable means provided by each dial and its respective sleeve for keying them together, spring means normally urging the sleeves into keyed relationship with their respective dials, a bolt, means for normally resiliently, maintaining the bolt against the sleeves, a shackle having a long pormeansat the free end of the long portion of the shackle for cooperation with the end of the shaft to disengage the sleeves from their respective dials to enable changing the combination.
  • the long portion of the shackle is moveable in a direction parallel to the longitudinal axis thereof and the shackle is rotatable about the longitudinal axis of its long portion, the cam means being cooperable with the end of the shaft in a selected rotated position of said long portion.
  • cam means comprises a flat section at the end of the otherwise substantially round cross section of the shackles long portion, the end of the shaft providing an obstacle preventing inward movement of the shackle except when the flat section is oriented with a face thereof opposite the end of the shaft.
  • a combination padlock according to claim 3 including spring means and cooperable means provided by the long portion of the shackle to resiliently maintain the shackle in selected position when moved in a direction parallel to the longitudinal axis of the long portion.
  • the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
  • a combination padlock according to claim 5, wherein the means connecting the body members comprises a connecting stud integral with one casing member,v the free end of the connecting stud extending through an. opening in the other body member; and wherein the end link of the chain has the connecting stud extended therethrough.
  • the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
  • the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to exface portions, one end of the body havingan opening 8 tend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
  • a combination padlock according to claim 4, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
  • the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members including a connecting stud integral with one body member, the free end of the stud extending through an opening in the other body member, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening adjacent to said connecting stud, a chain having its end link positioned within the opening and the connecting stud extended through the link, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
  • the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members including a connecting stud integral with one body member, the free end of the stud extending through an opening in the other body member, said plurality of spaced slots being provided in one of said adjacent to said connecting stud, a chain having its end link positioned within the opening and the connecting stud extended through the link, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and intothe cavity and having means to receive the end of the short portion of the shackle in theclosed position of the shackle.
  • the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members including a connecting stud integral with one body member, the free end of the stud extending through an opening in the other body member,'s'aid plurality of spaced slots being provided in one of said face portions, one end of the body having an opening adjacent to Said connecting stud, a chain having its end link positioned within the opening and the connecting stud extended through the link, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
US00283303A 1972-08-24 1972-08-24 Combination padlock Expired - Lifetime US3766758A (en)

Applications Claiming Priority (1)

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US28330372A 1972-08-24 1972-08-24

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US3766758A true US3766758A (en) 1973-10-23

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US (1) US3766758A (de)
JP (1) JPS5123234B2 (de)
BR (1) BR7306501D0 (de)
CA (1) CA958909A (de)
DE (1) DE2317771C3 (de)
FR (1) FR2197404A5 (de)
GB (1) GB1395867A (de)
HK (1) HK14776A (de)

Cited By (24)

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US3894415A (en) * 1974-03-25 1975-07-15 Kidde Co Presto Lock Div Combination padlock
US3983724A (en) * 1975-07-21 1976-10-05 Master Lock Company Changeable combination padlock
DE2653193A1 (de) * 1976-01-30 1977-08-04 Kidde Co Presto Lock Div Kombinationshaengeschloss
US4047406A (en) * 1976-09-03 1977-09-13 Master Lock Company Anti-rap mounting for permutation lock elements
DE3024599A1 (de) * 1979-07-02 1981-01-29 Talleres Escoriaza Sa Kombinations-vorhaengeschloss
US4320640A (en) * 1978-04-06 1982-03-23 Oy Wartsila Ab Adjustable cylinder lock
US4341101A (en) * 1980-07-11 1982-07-27 Presto Lock, Inc. Combination locks
US4343165A (en) * 1980-07-11 1982-08-10 Presto Lock, Inc. Combination locks
US4343164A (en) * 1980-07-11 1982-08-10 Presto Lock, Inc. Combination locks
DE3144829A1 (de) * 1981-03-05 1982-09-16 Presto Lock Co., Zweigniederlassung der Kidde Inc., Garfield, N.J. Permutationsschloss
US4354366A (en) * 1980-07-11 1982-10-19 Kidde, Inc. (Presto Lock Company Division) Combination locks
US4355524A (en) * 1980-07-11 1982-10-26 Kidde, Inc. (Presto Lock Company Division) Combination locks
US4441346A (en) * 1979-09-07 1984-04-10 C.G.V. S.A.S. Di Claudio Castiglioni & C. Combination lock with a single knob both for controlling the opening and for changing the lock combination
US4487043A (en) * 1979-11-15 1984-12-11 S. Franzen S/o/ hne (GmbH & Co.) Permutation lock
US4531388A (en) * 1982-07-26 1985-07-30 Garro Jose I P Change code system in combination padlocks
US4754623A (en) * 1987-01-07 1988-07-05 Blake Hwang Adjustable combination numerical lock
US4829794A (en) * 1988-05-09 1989-05-16 National Manufacturing Co. Padlock
US5063761A (en) * 1991-06-03 1991-11-12 Ling Chong Kuan Simply-constructed combination padlock
US5125248A (en) * 1991-08-07 1992-06-30 Ling Chong Kuan Combination padlock
US6834519B1 (en) * 2004-01-15 2004-12-28 Yao-Kun Yang Padlock having receiving chamber inside
US20080314093A1 (en) * 2007-06-21 2008-12-25 Master Lock Company, Llc Combination lock
US20090145178A1 (en) * 2007-12-07 2009-06-11 Master Lock Company Llc Combination lock
US20110185775A1 (en) * 2010-02-01 2011-08-04 Master Lock Company Llc Padlocks with anti-rapping security features
CN102400598A (zh) * 2011-10-18 2012-04-04 金泰祥精密五金（昆山）有限公司 多功能对号挂锁

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JPS5231231U (de) * 1975-08-27 1977-03-04
JPS52107139A (en) * 1976-03-06 1977-09-08 Seibu Polymer Kasei Kk Waterproof sheet to be laid on bottom of reservoir etc*
JP2567215Y2 (ja) * 1990-02-28 1998-04-02 三紀アイエス株式会社 鎖と南京錠とを連結する金具
DE102008057068A1 (de) * 2008-11-13 2010-05-20 JIN TAY INDUSTRIES CO., LTD., Taishan Schloss für einen USB-Stecker
JP7249250B2 (ja) * 2019-09-04 2023-03-30 株式会社アルファ ロック装置

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US2163852A (en) * 1938-11-18 1939-06-27 Bemis And Call Company Lock construction
CA571747A (en) * 1959-03-03 A. Vahlstrom Carl Permutation lock
US3439515A (en) * 1967-10-26 1969-04-22 Kidde Co Presto Lock Div Latching device and combination locking means

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US2114073A (en) * 1937-07-24 1938-04-12 Anthony J Denerich Lock
US2163852A (en) * 1938-11-18 1939-06-27 Bemis And Call Company Lock construction
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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894415A (en) * 1974-03-25 1975-07-15 Kidde Co Presto Lock Div Combination padlock
US3983724A (en) * 1975-07-21 1976-10-05 Master Lock Company Changeable combination padlock
DE2653193A1 (de) * 1976-01-30 1977-08-04 Kidde Co Presto Lock Div Kombinationshaengeschloss
US4048821A (en) * 1976-01-30 1977-09-20 Presto Lock Company, Division Of Walter Kidde & Company, Inc. Combination padlock
DE2660632C2 (de) * 1976-01-30 1983-12-01 Presto Lock Co., Zweigniederlassung der Kidde Inc., Garfield, N.J. Vorrichtung zum Umstellen des Einstellgeheimnisses in einem Permutations-Vorhängeschloß mit Schwenkschiebebügel
DE2653193C2 (de) 1976-01-30 1983-03-03 Presto Lock Co., Zweigniederlassung der Kidde Inc., Garfield, N.J. Permutations-Vorhängeschloß
US4047406A (en) * 1976-09-03 1977-09-13 Master Lock Company Anti-rap mounting for permutation lock elements
US4320640A (en) * 1978-04-06 1982-03-23 Oy Wartsila Ab Adjustable cylinder lock
US4341099A (en) * 1979-07-02 1982-07-27 Talleres De Escoriaza S.A. Code changing system for combination padlocks
DE3024599A1 (de) * 1979-07-02 1981-01-29 Talleres Escoriaza Sa Kombinations-vorhaengeschloss
US4441346A (en) * 1979-09-07 1984-04-10 C.G.V. S.A.S. Di Claudio Castiglioni & C. Combination lock with a single knob both for controlling the opening and for changing the lock combination
US4487043A (en) * 1979-11-15 1984-12-11 S. Franzen S/o/ hne (GmbH & Co.) Permutation lock
US4343165A (en) * 1980-07-11 1982-08-10 Presto Lock, Inc. Combination locks
US4343164A (en) * 1980-07-11 1982-08-10 Presto Lock, Inc. Combination locks
US4354366A (en) * 1980-07-11 1982-10-19 Kidde, Inc. (Presto Lock Company Division) Combination locks
US4355524A (en) * 1980-07-11 1982-10-26 Kidde, Inc. (Presto Lock Company Division) Combination locks
US4341101A (en) * 1980-07-11 1982-07-27 Presto Lock, Inc. Combination locks
DE3144829A1 (de) * 1981-03-05 1982-09-16 Presto Lock Co., Zweigniederlassung der Kidde Inc., Garfield, N.J. Permutationsschloss
US4389863A (en) * 1981-03-05 1983-06-28 Presto Lock, Inc. Combination locks
US4531388A (en) * 1982-07-26 1985-07-30 Garro Jose I P Change code system in combination padlocks
US4754623A (en) * 1987-01-07 1988-07-05 Blake Hwang Adjustable combination numerical lock
US4829794A (en) * 1988-05-09 1989-05-16 National Manufacturing Co. Padlock
US5063761A (en) * 1991-06-03 1991-11-12 Ling Chong Kuan Simply-constructed combination padlock
US5125248A (en) * 1991-08-07 1992-06-30 Ling Chong Kuan Combination padlock
US6834519B1 (en) * 2004-01-15 2004-12-28 Yao-Kun Yang Padlock having receiving chamber inside
US20080314093A1 (en) * 2007-06-21 2008-12-25 Master Lock Company, Llc Combination lock
US20100192641A1 (en) * 2007-06-21 2010-08-05 Master Lock Company, Llc Combination lock
US8544301B2 (en) 2007-06-21 2013-10-01 Master Lock Company Llc Combination lock
US8769999B2 (en) 2007-06-21 2014-07-08 Master Lock Company Llc Combination lock
US20090145178A1 (en) * 2007-12-07 2009-06-11 Master Lock Company Llc Combination lock
US8539799B2 (en) 2007-12-07 2013-09-24 Master Lock Company Llc Combination lock
US20110185775A1 (en) * 2010-02-01 2011-08-04 Master Lock Company Llc Padlocks with anti-rapping security features
CN102400598A (zh) * 2011-10-18 2012-04-04 金泰祥精密五金（昆山）有限公司 多功能对号挂锁

Also Published As

Publication number Publication date
JPS4963599A (de) 1974-06-20
CA958909A (en) 1974-12-10
BR7306501D0 (pt) 1974-08-29
GB1395867A (en) 1975-05-29
JPS5123234B2 (de) 1976-07-15
HK14776A (en) 1976-03-26
DE2317771A1 (de) 1974-03-07
FR2197404A5 (de) 1974-03-22
DE2317771C3 (de) 1978-09-21
DE2317771B2 (de) 1978-02-02

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Owner name: PRESTO LOCK, INC., 100 OUTWATER LANE, GARFIELD, NJ

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:PRESTO LOCK COMPANY, DIVISION OF WALTER KIDDE & COMPANY, INC., A DE CORP.;REEL/FRAME:004044/0374

Effective date: 19811201

Owner name: PRESTO LOCK, INC., A CORP. OF NJ, NEW JERSEY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PRESTO LOCK COMPANY, DIVISION OF WALTER KIDDE & COMPANY, INC., A DE CORP.;REEL/FRAME:004044/0374

Effective date: 19811201

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