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US3817563A Expired / Lapsed US ⏱️ 0.0 years remaining

Can top lock

Assignee: Individual
•
Filing: 1973-07-06
•
Granted: 1974-06-18
•
Expires: 1993-07-06
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Abstract

Abstract A can top lock for garbage cans and the like to prevent the top from coming off the can if upset, and which additionally functions as a top handle. Springs are removably attachable to the top handle and engageable with side handles on the can to hold the top on the can under tension, with the springs being disengaged from the top handle upon lifting of the handle and top to which attached.

Inventors

  • 👤 Glothlin C Mc

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:47
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14; B65F1/16; B65F1/1615; E; E05; E05C; E05C19/00; Y; Y10; Y10S; Y10S220/00; Y10S220/908; Y10T; Y10T292/00; Y10T292/175; Y10T292/18; Y10T292/23

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 101 words
A can top lock for cans comprising: A. upstanding pins mounted on said can top; B. a handle having a base with openings therethrough slidably engaged on said pins; C. a compression spring operatively interconnecting said handle and said pins and biasing said base toward said top; and D. tension springs having one end thereof attached to the can body and the opposite end thereof slidably and removably engaged on said pins, said opposite spring ends being disengaged from said pins upon lifting of said handle against the action of said compression spring for removal of said top from said can.
Claim 2
Dependent Claim 101 words
A can top lock for cans comprising: A. upstanding pins mounted on said can top; B. a handle having a base with openings therethrough slidably engaged on said pins; C. a compression spring operatively interconnecting said handle and said pins and biasing said base toward said top; and D. tension springs having one end thereof attached to the can body and the opposite end thereof slidably and removably engaged on said pins, said opposite spring ends being disengaged from said pins upon lifting of said handle against the action of said compression spring for removal of said top from said can.
Claim 3
Dependent Claim 135 words
A can top lock for cans comprising: A. a baseplate attached to said can top; B. a post attached to said baseplate and extending therefrom; C. a handle sleeve movably engaged over said post and forming therebetween a space; D. a compression spring in said space biasing said sleeve toward said baseplate; E. a sleeve base on said sleeve having openings therethrough; F. upstanding pins on said baseplate slidably engageable in said sleeve base openings; and G. tension springs connected at one end thereof with the can body and the opposite ends being slidably and removably engaged on said pins above said sleeve base, whereby, upon lifting of said handle sleeve, said sleeve and sleeve base will lift from said baseplate and disengage said spring ends from said pins permitting removal of the can top.
Claim 4
Dependent Claim 135 words
A can top lock for cans comprising: A. a baseplate attached to said can top; B. a post attached to said baseplate and extending therefrom; C. a handle sleeve movably engaged over said post and forming therebetween a space; D. a compression spring in said space biasing said sleeve toward said baseplate; E. a sleeve base on said sleeve having openings therethrough; F. upstanding pins on said baseplate slidably engageable in said sleeve base openings; and G. tension springs connected at one end thereof with the can body and the opposite ends being slidably and removably engaged on said pins above said sleeve base, whereby, upon lifting of said handle sleeve, said sleeve and sleeve base will lift from said baseplate and disengage said spring ends from said pins permitting removal of the can top.
Claim 5
Dependent Claim 48 words
A can top lock for cans as claimed in claim 2, said baseplate having a central screw threaded opening therethrough, said handle post having a central bore, a screw extending through said central bore and engaged in said baseplate for operative interconnection of said post and said baseplate.
Claim 6
Dependent Claim 54 words
A can top lock for cans as claimed in claim 3, including a washer above said post extending over the space formed between said post and said sleeve, a short sleeve in said space beneath said washer and engageable with the top of said compression spring for containedly mounting said spring in said space.
Claim 7
Dependent Claim 54 words
A can top lock fOr cans as claimed in claim 4, said base on said sleeve having threaded openings therethrough, bored bolts screw threadedly engaged in said openings and nuts securing said bored bolts to said sleeve base, said pins being attached to said baseplate and extending through the bore of said bored bolts.
Claim 8
Dependent Claim 67 words
A can top lock for cans as claimed in claim 5, said one ends of said tension springs having hooks thereon engaged with handles on said can body, said opposite ends being provided with hooks engaged over said pins, said springs when interengaged between said handles and said pins engaging over said can top and resiliently engaging said top with said can body to prevent disengagement thereof.
Claim 9
Dependent Claim 49 words
A can top lock for cans as claimed in claim 6, including a cross handle operatively engaged with the upper end of said handle sleeve to facilitate lifting of said sleeve and said can top for disengagement of said springs from said pins and handling of said can top.
Claim 10
Dependent Claim 36 words
A can top lock for cans as claimed in claim 7, wherein said cross handle includes a bolt extending through said sleeve and sleeve portions removably mounted on said bolt on opposite sides of said sleeve.

References Cited (Backward Citations)

US2717167A Cited
US3140795A Cited
US3674298A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-17 1977-12-17 1978-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-17 1981-12-17 1982-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-17 1985-12-17 1986-06-18 $7700.00 Window Closed / Lapsed

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