Patent US2844510A successfully refreshed from Google Patents.
Patent US3884102A successfully refreshed from Google Patents.
US3884102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three knife trimming machine
Assignee: Advance Enterprises Inc
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Filing: 1974-01-09
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Granted: 1975-05-20
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Expires: 1994-01-09
Abstract
Abstract A trimming machine arranged to trim three edges of a folded, multi-page booklet at the speed at which said booklets are discharged from a printing press of the type which prints, and glues or stitches, said booklets which are similar to a signature form. The machine has two trimming units respectively having paths of movement therethrough substantially at a right angle to each other and conveyor means have drive arrangements and sections operable to feed the booklets to the knife means of said trimmming units substantially at press speed and otherwise being operable to move the booklets at speeds slower than press speed to effect a certain amount of accumulation of said booklets followed by successive separation of individual booklets to the trimming means of said units at press speeds and thereby facilitate the trimming of said edges thereof.
Inventors
- 👤 Hans G Faltin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:13
CPC Classifications
B; B26; B26D; B26D11/00; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245; B26D7/00; B26D2007/0012; B26D2007/0081; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/934; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2042; Y10T83/2092; Y10T83/2183; Y10T83/2185; Y10T83/2192; Y10T83/647; Y10T83/6476; Y10T83/6478; Y10T83/648; Y10T83/6579; Y10T83/6584; Y10T83/6633; Y10T83/768; Y10T83/7809; Y10T83/783
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
467 words
A machine for trimming the top and bottom sides and the side opposite the folded side of multi-sheet folded paper booklets at high speeds comprising in combination, a frame, feed conveyor means supported by said frame and having an inlet end adapted to be mounted adjacent the delivery end of a printing press upon which said booklets are printed and discharged therefrom in folded condition at a predetermined high press speed in a first direction, a first trimming unit on said frame adjacent the delivery end of said feed conveyor and having circular knife means provided with a toothed periphery coacting with a circular rotary anvil and adapted to edge-trim said booklets, means to drive said trimming unit, stop means positioned to be engaged by partially trimmed booklets discharged from said first trimming unit to stop movement thereof in said first direction, transfer conveyor means on said frame operable in a second direction transverse to said first direction of said feed conveyor and having one edge thereof aligned longitudinally in parallelism with said stop means, a second trimming unit on said frame aligned with said transfer conveyor to receive said partially trimmed booklets therefrom and trim the same sequentially and having knife and circular anvil means similar to those on said first trimming unit, means to drive said second trimming unit, discharge means for fully trimmed booklets adjacent the exit end of said second trimming unit, one of said trimming units having a single knife means and anvil to trim one side of booklets and the other trimming unit having a pair of cooperating knife means and anvils axially spaced to trim simultaneously the top and bottom sides of said booklets, said feed conveyor means and transfer conveyor means each comprising first and second sections respectively in longitudinally alignment with each other, means to drive the first section of each of said conveyors considered in the direction of movement of booklets thereby at a slower surface speed than the speed of the booklets as delivered thereto and thereby cause said booklets to become arranged in shingle fashion upon said first sections, and means to drive the second section of each of said conveyors at a speed substantially as high as press speed, thereby to space the successive leading booklets from the shingle arrangement thereof for delivery thereof respectively from said feed conveyor means to said first trimming unit and from said transfer conveyor means to said second trimming unit, at least the upper surface of the receiving end of said first section of said transfer conveyor means being at a lower level than the level at which partially trimmed booklets are discharged from said first trimming unit to facilitate positioning of the partially trimmed booklets in shingle arrangement upon the first section of said transfer conveyor means.
Claim 2
Dependent Claim
467 words
A machine for trimming the top and bottom sides and the side opposite the folded side of multi-sheet folded paper booklets at high speeds comprising in combination, a frame, feed conveyor means supported by said frame and having an inlet end adapted to be mounted adjacent the delivery end of a printing press upon which said booklets are printed and discharged therefrom in folded condition at a predetermined high press speed in a first direction, a first trimming unit on said frame adjacent the delivery end of said feed conveyor and having circular knife means provided with a toothed periphery coacting with a circular rotary anvil and adapted to edge-trim said booklets, means to drive said trimming unit, stop means positioned to be engaged by partially trimmed booklets discharged from said first trimming unit to stop movement thereof in said first direction, transfer conveyor means on said frame operable in a second direction transverse to said first direction of said feed conveyor and having one edge thereof aligned longitudinally in parallelism with said stop means, a second trimming unit on said frame aligned with said transfer conveyor to receive said partially trimmed booklets therefrom and trim the same sequentially and having knife and circular anvil means similar to those on said first trimming unit, means to drive said second trimming unit, discharge means for fully trimmed booklets adjacent the exit end of said second trimming unit, one of said trimming units having a single knife means and anvil to trim one side of booklets and the other trimming unit having a pair of cooperating knife means and anvils axially spaced to trim simultaneously the top and bottom sides of said booklets, said feed conveyor means and transfer conveyor means each comprising first and second sections respectively in longitudinally alignment with each other, means to drive the first section of each of said conveyors considered in the direction of movement of booklets thereby at a slower surface speed than the speed of the booklets as delivered thereto and thereby cause said booklets to become arranged in shingle fashion upon said first sections, and means to drive the second section of each of said conveyors at a speed substantially as high as press speed, thereby to space the successive leading booklets from the shingle arrangement thereof for delivery thereof respectively from said feed conveyor means to said first trimming unit and from said transfer conveyor means to said second trimming unit, at least the upper surface of the receiving end of said first section of said transfer conveyor means being at a lower level than the level at which partially trimmed booklets are discharged from said first trimming unit to facilitate positioning of the partially trimmed booklets in shingle arrangement upon the first section of said transfer conveyor means.
Claim 3
Dependent Claim
89 words
The trimming machine according to claim 1 in which said first section of said transfer conveyor comprises a perforated belt supported by parallel rollers and having a suction head disposed beneath the upper course of said belt and operable to aid in assisting the delivery movement of booklets discharged from said first trimming unit and insure engagement thereof with said stop means, said suction means also insuring movement of said booklets in shingled position upon said perforated belt for discharge onto the first section of said transfer conveyor means.
Claim 4
Dependent Claim
135 words
The trimming machine according to claim 1 further including similar sets of belts having parallel opposing courses positioned substantially in the line of shear of said booklets by said circular knife means and rotary anvil means in said first and second trimming units, said parallel opposing courses extending respectively around rollers supported by the frame of said machine respectively at opposite ends of said courses and said courses being positioned and operable to receive in sequence individual booklets therebetween while moving past said knife And anvil means of said trimming units, thereby insuring position feeding of said booklets relative to said knife and anvil shearing means along desired trimming lines, the axes of said rollers for said parallel opposing courses being parallel with each other but out of alignment perpendicularly to said parallel opposing courses.
Claim 5
Dependent Claim
79 words
The trimming machine according to claim 3 further including scooter belts supported by rollers and having lower courses thereon positioned to engage the upper surfaces of booklets as discharged from between said opposing belts of said first trimming unit, and said scooter belts having drive means operable at speeds slightly faster than the speed at which said booklets are discharged from between said opposed belts, thereby insuring downward and forward movement of said booklets from said first trimming unit.
Claim 6
Dependent Claim
60 words
The trimming machine according to claim 3 in which the upper belts of said opposed belts are provided with means driving the same at faster speed than the lower belts, thereby preventing upward movement of said booklets as discharged from said trimming units and producing a limited amount of sawing action between said booklets and the teeth of said knives.
Claim 7
Dependent Claim
52 words
The trimming machine according to claim 3 in which said feed conveyor means comprises endless flexible members having spaced pusher lugs to positively feed said booklets and means to drive said sets of belts at speed substantially greater than said feed conveyor to insure disengagement of said booklets from said pusher lugs.
Claim 8
Dependent Claim
113 words
The trimming machine according to claim 1 in which the single knife and anvil set of said one of said trimming units are respectively supported upon parallel shafts in cooperative relationship with each other and operable to trim the edge of booklets opposite the folded or bound edge thereof as the same moves sequentially through said one trimming unit, and said pair of cooperating knife and anvil sets of said other trimming unit which are axially spaced from each other having said knives supported upon one shaft and said pair of anvils being supported upon a second shaft parallel to said latter shaft, all of said knives in said sets having serrated edges.
Claim 9
Dependent Claim
57 words
The trimming machine according to claim 1 further including knock-down means positioned adjacent the discharge end of said first trimming unit and engageable successively with partially trimmed booklets as discharged from said first trimming unit to positively move the same downward onto said lower level of said upper surface of the first section of said transfer conveyor.
Claim 10
Dependent Claim
98 words
The trimming machine according to claim 1 further including drive means for said machine comprising in combination, a main shaft connectable to drive means on a printing press, a first jack shaft, means connecting said first jack shaft respectively to said main drive shaft and first trimming unit, another jack shaft connected to said first trimming unit to derive power therefrom, another drive shaft, means connecting said another drive shaft to said another jack shaft, and means connecting said another jack shaft to said second trimming unit to drive the same in unison with said first trimming unit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-19 | 1978-11-18 | 1979-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-19 | 1982-11-18 | 1983-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-19 | 1986-11-18 | 1987-05-20 | $7700.00 | Window Closed / Lapsed |