← Back to Patent Explorer
US4240341A Expired / Lapsed US ⏱️ 0.0 years remaining

Can crusher

Assignee: Individual
•
Filing: 1978-12-06
•
Granted: 1980-12-23
•
Expires: 1998-12-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A can crushing apparatus is disclosed comprising a reciprocating head which reciprocates between two fixed walls whereby on each stroke of the head, two crushing operations are performed. Automatic can feeding means, having safety switch prime mover activation capability mounted thereon, is provided. A trash container closure base for said apparatus is also disclosed.

Inventors

  • 👤 Robert L. Whipple
  • 👤 William F. Warren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:31
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/306; B30B9/3064; B30B9/32; B30B9/321; Y; Y10; Y10S; Y10S100/00; Y10S100/902

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 350 words
A can crusher comprising: a pair of opposed fixed walls; laterally reciprocal mashing head means reciprocable relative to said opposed fixed walls; means for reciprocating said reciprocal head means between said opposed fixed walls; fixed support means for supporting a single can lengthwise between said opposed fixed walls, said support means extending laterally between said fixed walls, a distance from a midpoint of said support means to a fixed wall being greater than half the lateral extent of said support means by a predetermined amount, said predetermined amount being greater than the length of a crushed can, and said support means being fixed relative to said fixed walls and disposed beneath said reciprocal mashing head means; can stacking and feeding means for stacking cans in a vertical row and for feeding cans one at a time to said reciprocal mashing head means, which can stacking and feeding means includes a vertical chute positioned adjacent said reciprocal head means which chute is only sized wide enough to accommodate a one-can width wide column of cans, and which vertical chute gravity feeds one can at a time to said mashing head means where a side wall of said can slidingly engages the mashing head means, said can falling lengthwise onto said fixed support means as said mashing head means moves toward either one of said fixed walls, said mashing head means engaging and crushing said can upon moving toward the opposite wall; switch means mounted on said stacking and feeding means for activating the means for reciprocating said reciprocal head means, said switch means being adapted for activation by the impingement of a can in said stacking and feeding means; said fixed walls having flat and parallel confronting faces; said reciprocal head means including a single head having two opposed flat and parallel faces, each of said faces in said head being parallel to the faces of said fixed walls; said head engaging confronting rims of a can to apply axial pressure to crush the side walls of a can between one face of said head and one of said fixed walls.
Claim 2
Dependent Claim 350 words
A can crusher comprising: a pair of opposed fixed walls; laterally reciprocal mashing head means reciprocable relative to said opposed fixed walls; means for reciprocating said reciprocal head means between said opposed fixed walls; fixed support means for supporting a single can lengthwise between said opposed fixed walls, said support means extending laterally between said fixed walls, a distance from a midpoint of said support means to a fixed wall being greater than half the lateral extent of said support means by a predetermined amount, said predetermined amount being greater than the length of a crushed can, and said support means being fixed relative to said fixed walls and disposed beneath said reciprocal mashing head means; can stacking and feeding means for stacking cans in a vertical row and for feeding cans one at a time to said reciprocal mashing head means, which can stacking and feeding means includes a vertical chute positioned adjacent said reciprocal head means which chute is only sized wide enough to accommodate a one-can width wide column of cans, and which vertical chute gravity feeds one can at a time to said mashing head means where a side wall of said can slidingly engages the mashing head means, said can falling lengthwise onto said fixed support means as said mashing head means moves toward either one of said fixed walls, said mashing head means engaging and crushing said can upon moving toward the opposite wall; switch means mounted on said stacking and feeding means for activating the means for reciprocating said reciprocal head means, said switch means being adapted for activation by the impingement of a can in said stacking and feeding means; said fixed walls having flat and parallel confronting faces; said reciprocal head means including a single head having two opposed flat and parallel faces, each of said faces in said head being parallel to the faces of said fixed walls; said head engaging confronting rims of a can to apply axial pressure to crush the side walls of a can between one face of said head and one of said fixed walls.
Claim 3
Dependent Claim 64 words
The can crusher of claim 1 wherein said reciprocating means comprises threaded shaft means operably connected to said reciprocal head means for moving said reciprocal head means in a reciprocating direction, said threaded shaft being mounted between said fixed walls; prime mover means operably connected to said threaded shaft means for rotating said threaded shaft means in a manner to reciprocate said reciprocal head.
Claim 4
Dependent Claim 55 words
The can crusher of claim 2 wherein said prime mover means comprises a reversible motor and switch means operably connected to said motor and mounted at one fixed wall for reversing the direction of said motor, said switch being actuated when said reciprocating head means is moved next adjacent to one of said fixed walls.
Claim 5
Dependent Claim 40 words
In the device of claim 1 further including a base for said can crusher adapted to serve as a closure for a trash container and having an opening therein, whereby crushed cans are able to drop directly into said container.
Claim 6
Dependent Claim 23 words
The device of claim 4 wherein means to prevent crushed cans from moving upwardly, mounted on each of said fixed walls is included.
Claim 7
Dependent Claim 26 words
The device of claim 5 wherein further including additional switch means to control the power to the switch means mounted in said stacking and feeding means.
Claim 8
Dependent Claim 18 words
The device of claim 1 wherein said chute is removably secured to the top of said can crusher.
Claim 9
Dependent Claim 22 words
The device of claim 1 further including means to prevent crushed cans from moving upwardly, mounted on each of said fixed walls.
Claim 10
Dependent Claim 403 words
A can crusher comprising: a pair of opposed fixed walls; laterally reciprocal mashing head means reciprocable relative to said opposed fixed walls; means for reciprocating said reciprocal head means between said opposed fixed walls; fixed support means for supporting a single can lengthwise between said opposed fixed walls, said support means extending laterally between said fixed walls, a distance from a midpoint of said support means to a fixed wall being greater than half the lateral extent of said support means by a predetermined amount, said predetermined amount being greater than the length of a crushed can, and said support means being fixed relative to said fixed walls and disposed beneath said reciprocal mashing head means; can stacking and feeding means for stacking cans in a vertical row and for feeding cans one at a time to said reciprocal mashing head means, which can stacking and feeding means includes a vertical chute positioned adjacent said reciprocal head means which chute is only sized wide enough to accommodate a one-can width wide column of cans, and which vertical chute gravity feeds one can at a time to said mashing head means where a side wall of said can slidingly engages the mashing head means, said can falling lengthwise onto said fixed support means as said mashing head means moves toward either one of said fixed walls, said mashing head means engaging and crushing said can upon moving toward the opposite wall; safety switch means for activating the means for reciprocating said reciprocal head means, which safety switch means includes a first switch mounted on one of said fixed walls and a second switch mounted on said vertical chute above a bottom end of said chute, said second switch being adapted for activation by the impingement of a can in a vertical row of cans in said vertical chute against said second switch, both said first and second switches having to be activated to activate said means for reciprocating said reciprocal head means; said fixed walls having flat and parallel confronting faces; said reciprocal head means including a single head having two opposed flat and parallel faces, each of said faces in said head being parallel to the faces of said fixed walls; said head engaging confronting rims of a can to apply axial pressure to crush the side walls of a can between one face of said head and one of said fixed walls.
Claim 11
Dependent Claim 403 words
A can crusher comprising: a pair of opposed fixed walls; laterally reciprocal mashing head means reciprocable relative to said opposed fixed walls; means for reciprocating said reciprocal head means between said opposed fixed walls; fixed support means for supporting a single can lengthwise between said opposed fixed walls, said support means extending laterally between said fixed walls, a distance from a midpoint of said support means to a fixed wall being greater than half the lateral extent of said support means by a predetermined amount, said predetermined amount being greater than the length of a crushed can, and said support means being fixed relative to said fixed walls and disposed beneath said reciprocal mashing head means; can stacking and feeding means for stacking cans in a vertical row and for feeding cans one at a time to said reciprocal mashing head means, which can stacking and feeding means includes a vertical chute positioned adjacent said reciprocal head means which chute is only sized wide enough to accommodate a one-can width wide column of cans, and which vertical chute gravity feeds one can at a time to said mashing head means where a side wall of said can slidingly engages the mashing head means, said can falling lengthwise onto said fixed support means as said mashing head means moves toward either one of said fixed walls, said mashing head means engaging and crushing said can upon moving toward the opposite wall; safety switch means for activating the means for reciprocating said reciprocal head means, which safety switch means includes a first switch mounted on one of said fixed walls and a second switch mounted on said vertical chute above a bottom end of said chute, said second switch being adapted for activation by the impingement of a can in a vertical row of cans in said vertical chute against said second switch, both said first and second switches having to be activated to activate said means for reciprocating said reciprocal head means; said fixed walls having flat and parallel confronting faces; said reciprocal head means including a single head having two opposed flat and parallel faces, each of said faces in said head being parallel to the faces of said fixed walls; said head engaging confronting rims of a can to apply axial pressure to crush the side walls of a can between one face of said head and one of said fixed walls.
Claim 12
Dependent Claim 321 words
A can crusher comprising: a pair of opposed fixed walls; laterally reciprocal mashing head means reciprocable relative to said opposed fixed walls; means for reciprocating said reciprocal head means between said opposed fixed walls; fixed support means for supporting a single can lengthwise between said opposed fixed walls, said support means extending laterally between said fixed walls, a distance from a midpoint of said support means to a fixed wall being greater than half the lateral extent of said support means by a predetermined amount, said predetermined amount being greater than the length of a crushed can, and said support means being fixed relative to said fixed walls and disposed beneath said reciprocal mashing head means; can stacking and feeding means for stacking cans in a vertical row and for feeding cans one at a time to said reciprocal mashing head means, which can stacking and feeding means includes a vertical chute positioned adjacent said reciprocal head means; safety switch means for activating the means for reciprocating said reciprocal head means, which safety switch means includes a first switch mounted on one of said fixed walls and a second switch mounted on said vertical chute above a bottom end of said chute, said second switch being adapted for activation by the impingement of a can in a vertical row of cans in said vertical chute against said second switch, both said first and second switches having to be activated to activate said means for reciprocating said reciprocal head means; said fixed walls having flat and parallel confronting faces; said reciprocal head means including a single head having two opposed flat and parallel faces, each of said faces in said head being parallel to the faces of said fixed walls; said head engaging confronting rims of a can to apply axial pressure to crush the side walls of a can between one face of said head and one of said fixed walls.
Claim 13
Dependent Claim 321 words
A can crusher comprising: a pair of opposed fixed walls; laterally reciprocal mashing head means reciprocable relative to said opposed fixed walls; means for reciprocating said reciprocal head means between said opposed fixed walls; fixed support means for supporting a single can lengthwise between said opposed fixed walls, said support means extending laterally between said fixed walls, a distance from a midpoint of said support means to a fixed wall being greater than half the lateral extent of said support means by a predetermined amount, said predetermined amount being greater than the length of a crushed can, and said support means being fixed relative to said fixed walls and disposed beneath said reciprocal mashing head means; can stacking and feeding means for stacking cans in a vertical row and for feeding cans one at a time to said reciprocal mashing head means, which can stacking and feeding means includes a vertical chute positioned adjacent said reciprocal head means; safety switch means for activating the means for reciprocating said reciprocal head means, which safety switch means includes a first switch mounted on one of said fixed walls and a second switch mounted on said vertical chute above a bottom end of said chute, said second switch being adapted for activation by the impingement of a can in a vertical row of cans in said vertical chute against said second switch, both said first and second switches having to be activated to activate said means for reciprocating said reciprocal head means; said fixed walls having flat and parallel confronting faces; said reciprocal head means including a single head having two opposed flat and parallel faces, each of said faces in said head being parallel to the faces of said fixed walls; said head engaging confronting rims of a can to apply axial pressure to crush the side walls of a can between one face of said head and one of said fixed walls.

References Cited (Backward Citations)

US47591A Cited
US561133A Cited
GB102349A Cited
US2737995A Cited
US2962959A Cited
US3162114A Cited
FR1392203A Cited
US3412675A Cited
US3887470A Cited
US3916780A Cited
US3960070A Cited
US3983800A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-12-23 1984-06-23 1984-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-12-23 1988-06-23 1988-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-12-23 1992-06-23 1992-12-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag