US2432435A - Tube clamping apparatus - Google Patents

Tube clamping apparatus Download PDF

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US2432435A
US2432435A US577527A US57752745A US2432435A US 2432435 A US2432435 A US 2432435A US 577527 A US577527 A US 577527A US 57752745 A US57752745 A US 57752745A US 2432435 A US2432435 A US 2432435A
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post
tube
clamping
extends
clamping spring
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Roland J Millette
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/975—Holders with resilient means for protecting apparatus against vibrations or shocks

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  • This invention relates to clamping apparatus to hold radio tubes and the like in a fixed position.
  • the principal object of my invention is to provide clamping apparatus that will firmly hold radio tubes or similar articles in a fixed position under. all conditions of use. Another object is to provide such apparatus that can easily and quickly be clamped to and unclamped from a radio tube. yet, if desired, will stay in clamped position indefinitely without any diminution in the clamping effect.
  • a further object is to make said clamping ap paratus so simple that it can readily be manufactured and assembled for use at relatively low cost.
  • Figure l is a front elevational view of a radio tube clamped in fixed position by my clamping apparatus.
  • FigureZ is a plan view thereof, the dotted lines indicating the position of the clamping spring beforethe end portions are moved to clamping position.
  • Figure 3 is a longitudinal, sectionalview of my clamping apparatus in clamping position; the tube being omitted.
  • Figure 4 is a plan View of a modified formof my clamping apparatus in clamping position.
  • Figure 6 is a sectional view taken on the line E& of Figure 4.
  • Figure is a sectional view taken on the line 7-7 of Figure 4.
  • Figure 8 is a longitudinal sectional view of another modificationof a clamping post.
  • my apparatus has a clamping.
  • :Sai'd apparatus also has another detaining post position preferably being sition around the ends are in position around 15 which has a reduced or neck portion 16 spaced from the :top, and a head I! just above said reduced portion 16. It also has 'a screw-threaded hole It! similar to said hole 13.
  • Said posts H and 15 are anchored toachassis base '2 nowadays provides a shoulder 29 on Which-portions of my tube retainer or clamping spring/3B rests.
  • An end portion of said clamping spring 351 extends through said lateral hole I2 in said post-l l and terminates outside said post H in a hooked end extremity 3
  • clamping spring -30 At the other extremity of said clamping spring -30 are two free end portions one of which terminates in a looped end extremity 32, the 10010131 tending from the adjacent portion of said spring 30 downwardly and when in clamping position preferably being the lower of said free end portions as shown in Figure 1 of the drawings.
  • the other free end portion has a looped end extremity 33, the 'loop extending from the main body-of said retainer spring upwardly and when in clamping the upper of the two free end portions.
  • said loops at the end portions 32 and 33 facilitate the operation of moving said clamping spring free end portions to clamping and unclamping posaid reduced portion Id of said post since they enable the two fingers "which perform in thisoperation to function without .interfering with each other.
  • said free end with the lower said looped end extremity 32 is easily moved into its correct (lower) position around said reduced or neck portion 16, and said other free end with the upper looped end extremity is easily moved into itscorrect (upper) position aroundrsaid reduced portion H5.
  • said tube is clamped tightly in pla-oe.
  • said end extremiti s 32 and 3-3 apart they can be released from their clamping position by moving them andsaid free ends upwardly to clear said post I 5, and said tube can readily be removed from said socket 2
  • the clamping spring is provided with a looped end 36 instead of the hooked end 3! previously described.
  • Said looped end 36 i held to a clamping post 38 which has a reduced or neck portion 39 at the top which said looped end 35 fits over.
  • FIG. 8 of the drawings another form of clamping post 48 is shown to which said clamping spring 30 may be attached by inserting it into the diagonally extending space 49 surrounding a reduced portion, and above which is an integral head 50 that Willretain said clamping spring 38 in place.
  • Clamping apparatus in combination With a tube, comprising supporting means, two posts attached to said means extending at substantially a right angle to said means and substantially parallel with said tube, each said post having a cut-away portion, a clamping spring in holding relation to said tube embodying an end portion which is associated in holding relation with said cut-away portion of one said post, and embodying two other end portions which are associated in holding relation with a said cut-away portion of the other said post to thereby hold said tube in position.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, each said post having a cut-away portion spaced from the top thereof, a clamping spring in holding relation to said tube embodying an end portion which is associated in holding relation with a said cut-away portion of one said post, and embodying two other end portions which cross each other and are associated in holding relation with a said cut-away portion of the other said post to thereby hold said tube in position.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, a clamping spring in holding relation to said tube embodying. an end portion which is associated in holding relation with and bears against a portion of one said post, and embodying two other end portions which cross each other and are associated in holding relation with and bear against two different portions of the other said post to thereby hold said tube in position.
  • Clamping apparatus in combination with a tube, comprising supporting means, two upright posts extending parallel with said tube attached to said means, one said post having a hole ex tending laterally therethrough, the other said post having a reduced portion, a clamping spring embodying an end portion which extends through said hole, said clamping spring embodying two other end portions which cross each other one of which bears against a part of said reduced portion when in locking position and the other of wh1ch bears against another part of said reduced portion.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having a hole spaced from the top thereof and extending laterally therethrough, the other said post having a reduced portion spaced from the top thereof, a clamping spring embodying an end portion which extends through said hole and has a hooked end extremity, said clamping spring embodying two other end portions one of which be r against a part of said reduced portion when in looking position and the other of which bears against another and higher part of said reduced portion.
  • Clamping apparatus in combination with a tube, comprising supporting "means, two posts attached to said means, one said post having a hole extending laterally therethrough, the other said post having a reduced portion, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two end p0"- tions each of which has a loop at its end extremity and one of which end portions bears against a part of said reduced portion when in looking position and the other of which bear against another part of said reduced portion.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough, the other said post having a reduced portion, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two end portions one of which bears against a part of said reduced portion when in locking position and the other of which bears against another part of said reduced portion, one said end portion having a loop at its end extremity which extends downwardly and the other having a loop at its end extremity which extends upwardly.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having an opening therein, the other said post having a reduced portion of less width in one direction than the top extremity thereof, a clamping spring embodying an end part which extends into said opening, said clamping spring embodying two portions the first of which extends around one side of said tube and bears against said reduced portion at a side which is opposite to said tube side, the second of which extends around the other side of said tube and bears against said reduced portion at a point higher than said first end portion and at a side which is opposite to the latter-mentioned tube side, the said first portion having a loop at its end extremity which extends downwardly and the said second portion having a loop at its end extremity which extends upwardly.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts at opposite sides of said tube attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post,
  • a clamping spring embodying an end part which extends through said hole and has a hooked end extremity on the outer side of said post farthest from said tube, said clamping spring embodying two portions the first of which extends around one side of said tube and bears against said reduced portion at a side which is opposite to said tube side, the second of which extends around the other side of said tube and bears against said reduced portion at a point higher than said first end portion and at a side which is opposite to the latter-mentioned tube side, the said first portion having a loop at its end extremity which extends downwardly and the said second portion having a loop at its end extremity which extends upwardly.
  • Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post, the other said post having a reduced portion below the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity on the outer side of said post farthest from said tube, said clamping spring embodying two portions the first of which extends around one side of said tube and bears against said reduced portion at a side which is opposite to said tube side, the second of which extends around the other side of said tube and bears against said reduced portion at a point higher than said first end portion and at a side which is opposite to the latter-mentioned tube side, the said first portion having a loop at its end extremity which extends downwardly and the said second portion having a loop at its end extremity which extends upwardly.v
  • Clamping apparatus comprising supporting means, two posts attached to said means, one said post having a hole therethrough spaced from the top of said post, the other said post having a reduced portion that extends below the top thereof, a clamping spring embodying an end part which extends through said hole, said clamping spring embodying two portions which are adapted to extend to and bear against said post reduced portion, each of said two portions terminating in a loop.
  • Clamping apparatus comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post, the other said post having a reduced portion that extends below the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two portions which are adapted to extend to and bear against said post reduced portion, each of said two portions terminating in a loop, one of which extends downwardly and the other of which extends upwardly.
  • Clamping apparatus comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post, the other said post having a reduced portion spaced from the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two portion-s which extend from said end part laterally in diverging direc tions and then converge and cross each other, said converging portions being adapted to bear against said post reduced portion, each of said two portions terminating in a loop, one of which loops extends downwardly and the other of which loops extends upwardly.
  • Clamping apparatus in combination with a tube embodyin a base having a top edge that provides a shoulder, said apparatus comprising supporting means, two posts attached to said means, a clamping spring resting on said shoulder in holding relation to said tube embodying an end portion which is associated in holding relation with and bears against a portion of a said post and embodying two other end portions which cross each other and bear against two different portions of the other said post to thereby hold said tube in position.

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Description

Dec. 9, 1947. R. J. MILLETTE 2,432,435
TUBE CLAMPING APPARATUS Filed Feb. 12, 1945 Patented Dec. 9, 1947 iJNi'i'ED STATESiPATENT OFFICE TUBE CLAMPING APPARATUS Roland J. Millette, Boston, Mass.
.ApplicationFebruary 12, 1945, Serial No. 577,527
'14 Claims.
'1 This invention relates to clamping apparatus to hold radio tubes and the like in a fixed position.
.In many uses radio tubes or the like are subject to sudden changes in position, or are used in upside down position, .or are subject to a great deal of vibration, any one of which conditions may loosen the tube from its socketso that it fails to function or falls out. The principal object of my invention is to provide clamping apparatus that will firmly hold radio tubes or similar articles in a fixed position under. all conditions of use. Another object is to provide such apparatus that can easily and quickly be clamped to and unclamped from a radio tube. yet, if desired, will stay in clamped position indefinitely without any diminution in the clamping effect.
A further object is to make said clamping ap paratus so simple that it can readily be manufactured and assembled for use at relatively low cost.
The foregoing and other objects which will appear as the nature of the invention is better understood, may be accomplished by a construction, combination and arrangement of parts 'suh as is disclosed by the drawings and specification. The
nature of the invention is such as to render it susceptible to various changes and modifications, and, therefore, I am not to be limited to said disclosure; but am entitled to all such changes therefrom as fall within the scope of my claims.
In the drawings:
Figure l is a front elevational view of a radio tube clamped in fixed position by my clamping apparatus.
FigureZ is a plan view thereof, the dotted lines indicating the position of the clamping spring beforethe end portions are moved to clamping position.
Figure 3 is a longitudinal, sectionalview of my clamping apparatus in clamping position; the tube being omitted.
Figure 4 is a plan View of a modified formof my clamping apparatus in clamping position. Figure *5is1a side 'elevational view of the said apparatus shown in Figure 4. Figure 6 is a sectional view taken on the line E& of Figure 4.
Figure is a sectional view taken on the line 7-7 of Figure 4.
Figure 8 is a longitudinal sectional view of another modificationof a clamping post.
As illustrated, my apparatus has a clamping.
post "H through which a hole 12 extends laterally 'siightly below the top. it has a vertically extending screw-threaded hole I3 that commences at the bottom of said post H and extendsupwardlyz,
:Sai'd apparatus also has another detaining post position preferably being sition around the ends are in position around 15 which has a reduced or neck portion 16 spaced from the :top, and a head I! just above said reduced portion 16. It also has 'a screw-threaded hole It! similar to said hole 13.
Said posts H and 15 are anchored toachassis base '2?! provides a shoulder 29 on Which-portions of my tube retainer or clamping spring/3B rests. An end portion of said clamping spring 351 extends through said lateral hole I2 in said post-l l and terminates outside said post H in a hooked end extremity 3| which is preferably looped. This prevents that end of said clamping spring from being pulled out of said hole l2.
At the other extremity of said clamping spring -30 are two free end portions one of which terminates in a looped end extremity 32, the 10010131 tending from the adjacent portion of said spring 30 downwardly and when in clamping position preferably being the lower of said free end portions as shown in Figure 1 of the drawings. The other free end portion has a looped end extremity 33, the 'loop extending from the main body-of said retainer spring upwardly and when in clamping the upper of the two free end portions.
:Said loops at the end portions 32 and 33 facilitate the operation of moving said clamping spring free end portions to clamping and unclamping posaid reduced portion Id of said post since they enable the two fingers "which perform in thisoperation to function without .interfering with each other. Thus said free end with the lower said looped end extremity 32 is easily moved into its correct (lower) position around said reduced or neck portion 16, and said other free end with the upper looped end extremity is easily moved into itscorrect (upper) position aroundrsaid reduced portion H5. When said free and bearing against said neck portion 16 said tube is clamped tightly in pla-oe. By merely spreading said end extremiti s 32 and 3-3 apart they can be released from their clamping position by moving them andsaid free ends upwardly to clear said post I 5, and said tube can readily be removed from said socket 2|.
In Figure 4 the clamping spring is provided with a looped end 36 instead of the hooked end 3! previously described. Said looped end 36 i held to a clamping post 38 which has a reduced or neck portion 39 at the top which said looped end 35 fits over. A retaining washer 40, and a screw 4! that screws into said post 38, hold said looped end to said post 38.
In Figure 4 of the drawings there is also shown another kind of clamping post 43 on which an overhanging washer 44 is mounted by a screw 45 that screws into said post 43. Said clamping spring free ends extend into the space between said post and the sides of said overhanging washer 44.
In Figure 8 of the drawings another form of clamping post 48 is shown to which said clamping spring 30 may be attached by inserting it into the diagonally extending space 49 surrounding a reduced portion, and above which is an integral head 50 that Willretain said clamping spring 38 in place.
What I claim is:
1. Clamping apparatus in combination With a tube, comprising supporting means, two posts attached to said means extending at substantially a right angle to said means and substantially parallel with said tube, each said post having a cut-away portion, a clamping spring in holding relation to said tube embodying an end portion which is associated in holding relation with said cut-away portion of one said post, and embodying two other end portions which are associated in holding relation with a said cut-away portion of the other said post to thereby hold said tube in position.
2. Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, each said post having a cut-away portion spaced from the top thereof, a clamping spring in holding relation to said tube embodying an end portion which is associated in holding relation with a said cut-away portion of one said post, and embodying two other end portions which cross each other and are associated in holding relation with a said cut-away portion of the other said post to thereby hold said tube in position.
3. Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, a clamping spring in holding relation to said tube embodying. an end portion which is associated in holding relation with and bears against a portion of one said post, and embodying two other end portions which cross each other and are associated in holding relation with and bear against two different portions of the other said post to thereby hold said tube in position. i
4. Clamping apparatus in combination with a tube, comprising supporting means, two upright posts extending parallel with said tube attached to said means, one said post having a hole ex tending laterally therethrough, the other said post having a reduced portion, a clamping spring embodying an end portion which extends through said hole, said clamping spring embodying two other end portions which cross each other one of which bears against a part of said reduced portion when in locking position and the other of wh1ch bears against another part of said reduced portion. l
5. Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having a hole spaced from the top thereof and extending laterally therethrough, the other said post having a reduced portion spaced from the top thereof, a clamping spring embodying an end portion which extends through said hole and has a hooked end extremity, said clamping spring embodying two other end portions one of which be r against a part of said reduced portion when in looking position and the other of which bears against another and higher part of said reduced portion.
6. Clamping apparatus in combination with a tube, comprising supporting "means, two posts attached to said means, one said post having a hole extending laterally therethrough, the other said post having a reduced portion, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two end p0"- tions each of which has a loop at its end extremity and one of which end portions bears against a part of said reduced portion when in looking position and the other of which bear against another part of said reduced portion.
. 7. Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough, the other said post having a reduced portion, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two end portions one of which bears against a part of said reduced portion when in locking position and the other of which bears against another part of said reduced portion, one said end portion having a loop at its end extremity which extends downwardly and the other having a loop at its end extremity which extends upwardly.
8. Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having an opening therein, the other said post having a reduced portion of less width in one direction than the top extremity thereof, a clamping spring embodying an end part which extends into said opening, said clamping spring embodying two portions the first of which extends around one side of said tube and bears against said reduced portion at a side which is opposite to said tube side, the second of which extends around the other side of said tube and bears against said reduced portion at a point higher than said first end portion and at a side which is opposite to the latter-mentioned tube side, the said first portion having a loop at its end extremity which extends downwardly and the said second portion having a loop at its end extremity which extends upwardly.
9. Clamping apparatus in combination with a tube, comprising supporting means, two posts at opposite sides of said tube attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post,
the other said post having a reduced portion below the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity on the outer side of said post farthest from said tube, said clamping spring embodying two portions the first of which extends around one side of said tube and bears against said reduced portion at a side which is opposite to said tube side, the second of which extends around the other side of said tube and bears against said reduced portion at a point higher than said first end portion and at a side which is opposite to the latter-mentioned tube side, the said first portion having a loop at its end extremity which extends downwardly and the said second portion having a loop at its end extremity which extends upwardly.
10. Clamping apparatus in combination with a tube, comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post, the other said post having a reduced portion below the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity on the outer side of said post farthest from said tube, said clamping spring embodying two portions the first of which extends around one side of said tube and bears against said reduced portion at a side which is opposite to said tube side, the second of which extends around the other side of said tube and bears against said reduced portion at a point higher than said first end portion and at a side which is opposite to the latter-mentioned tube side, the said first portion having a loop at its end extremity which extends downwardly and the said second portion having a loop at its end extremity which extends upwardly.v
11. Clamping apparatus comprising supporting means, two posts attached to said means, one said post having a hole therethrough spaced from the top of said post, the other said post having a reduced portion that extends below the top thereof, a clamping spring embodying an end part which extends through said hole, said clamping spring embodying two portions which are adapted to extend to and bear against said post reduced portion, each of said two portions terminating in a loop.
12. Clamping apparatus comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post, the other said post having a reduced portion that extends below the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two portions which are adapted to extend to and bear against said post reduced portion, each of said two portions terminating in a loop, one of which extends downwardly and the other of which extends upwardly.
13. Clamping apparatus comprising supporting means, two posts attached to said means, one said post having a hole extending laterally therethrough spaced from the top of said post, the other said post having a reduced portion spaced from the top thereof, a clamping spring embodying an end part which extends through said hole and has a hooked end extremity, said clamping spring embodying two portion-s which extend from said end part laterally in diverging direc tions and then converge and cross each other, said converging portions being adapted to bear against said post reduced portion, each of said two portions terminating in a loop, one of which loops extends downwardly and the other of which loops extends upwardly.
14. Clamping apparatus in combination with a tube embodyin a base having a top edge that provides a shoulder, said apparatus comprising supporting means, two posts attached to said means, a clamping spring resting on said shoulder in holding relation to said tube embodying an end portion which is associated in holding relation with and bears against a portion of a said post and embodying two other end portions which cross each other and bear against two different portions of the other said post to thereby hold said tube in position.
, ROLAND J. MILLE'ITE.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Westlake June 26, 1945
US577527A 1945-02-12 1945-02-12 Tube clamping apparatus Expired - Lifetime US2432435A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504992A (en) * 1945-07-04 1950-04-25 Int Standard Electric Corp Holder for thermionic valves
US2701866A (en) * 1950-03-27 1955-02-08 Honeywell Regulator Co Clamping device for electronic discharge devices
US3223958A (en) * 1962-08-08 1965-12-14 Robert F Prohl Clamp for extension cords
US3297976A (en) * 1965-07-01 1967-01-10 Hewlett Packard Co Transistor retainer
US3340603A (en) * 1965-01-25 1967-09-12 Gen Electric Electrolytic capacitor mounting apparatus and method
US4682751A (en) * 1986-03-03 1987-07-28 Clark Equipment Company Battery mounting device
US4840428A (en) * 1988-06-24 1989-06-20 Tachi-S Co., Ltd. Head rest adjusting device
US5140508A (en) * 1991-06-21 1992-08-18 Komonko James R Clamp-on magnet for trouble lamps
US20040115979A1 (en) * 2001-04-20 2004-06-17 Erwin Melzner Lamp holder
WO2011055213A3 (en) * 2009-11-03 2011-07-14 Guido Maisto A locking device for securing a cookware to a cooktop

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US926274A (en) * 1907-06-27 1909-06-29 Roscoe C Meneray Stay for plants.
US1818400A (en) * 1930-07-09 1931-08-11 Clifford J James Basket holder
US2363436A (en) * 1943-10-16 1944-11-21 Budd Edward G Mfg Co Post socket latch
US2379206A (en) * 1941-11-25 1945-06-26 Mary A Westlake Means for holding cooking utensils on galley ranges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US926274A (en) * 1907-06-27 1909-06-29 Roscoe C Meneray Stay for plants.
US1818400A (en) * 1930-07-09 1931-08-11 Clifford J James Basket holder
US2379206A (en) * 1941-11-25 1945-06-26 Mary A Westlake Means for holding cooking utensils on galley ranges
US2363436A (en) * 1943-10-16 1944-11-21 Budd Edward G Mfg Co Post socket latch

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504992A (en) * 1945-07-04 1950-04-25 Int Standard Electric Corp Holder for thermionic valves
US2701866A (en) * 1950-03-27 1955-02-08 Honeywell Regulator Co Clamping device for electronic discharge devices
US3223958A (en) * 1962-08-08 1965-12-14 Robert F Prohl Clamp for extension cords
US3340603A (en) * 1965-01-25 1967-09-12 Gen Electric Electrolytic capacitor mounting apparatus and method
US3297976A (en) * 1965-07-01 1967-01-10 Hewlett Packard Co Transistor retainer
US4682751A (en) * 1986-03-03 1987-07-28 Clark Equipment Company Battery mounting device
US4840428A (en) * 1988-06-24 1989-06-20 Tachi-S Co., Ltd. Head rest adjusting device
US5140508A (en) * 1991-06-21 1992-08-18 Komonko James R Clamp-on magnet for trouble lamps
US20040115979A1 (en) * 2001-04-20 2004-06-17 Erwin Melzner Lamp holder
US6875042B2 (en) * 2001-04-20 2005-04-05 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Lamp holder
WO2011055213A3 (en) * 2009-11-03 2011-07-14 Guido Maisto A locking device for securing a cookware to a cooktop

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