Patent US3708129A successfully refreshed from Google Patents.
US3708129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter machine
Assignee: MUNSON MILL MACHINERY CO
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Filing: 1971-01-07
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Granted: 1973-01-02
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Expires: 1991-01-07
Abstract
Abstract A machine for cutting and crushing wood, nylon and other plastics and glass fibers, etc. has a rotor shaft carrying a plurality of non-rectangular parallelogram shaped plates centrally apertured for the shaft and each having two pairs of diametrically opposite keying holes equally radially spaced from the shaft, the pairs being angularly spaced. Pins through one pair of holes in each plate and a pair of holes in the contiguous plate key the plates together, the second plate being keyed to the next plate by pins through the other pair of holes, the first plate being similarly keyed to an annular flange integral with the shaft near its driven end. A spacer tube secured to the other end of the shaft clamps all the plates against the flange. A housing is closed at two ends and two sides, the shaft being journalled in the end plates. Fixed blades are adjustably secured in the housing sidewalls, the plates being fixed on the shaft so their acute angle corner edges form teeth presented to the fixed blade edges. A trough-shaped screen is secured in the housing below the rotor and a third fixed blade may be secured above the rotor. One end plate is arranged so the rotor may be withdrawn therethrough and the fixed blades are adjustable from outside the housing and means for readily adjusting the fixed blade are provided.
Inventors
- 👤 L Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:22
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/146; Y; Y10; Y10S; Y10S83/00; Y10S83/906; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9377
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
213 words
A cutter machine comprising a housing having at least two ends and two sides enclosed, a motor driven shaft extending longitudinally of the housing and journalled in the housing ends, a plurality of rotor blades on the shaft, each rotor blade being a plate having a non-rectangular parallelogram configuration and having a central hole for the shaft, means for keying the plates to one another and means for keying at least one plate to the shaft, at least one elongated fixed blade extending longitudinally of the housing, the fixed blade being transversely slotted, blade supports and nut means in a sidewall of the housing, bolts passing from the supports through the blade slots to the nut means for adjustably securing the fixed blade in place, the fixed blade extending transversely through the housing sidewall to the outer surface so as to be accessible for adjustment inward, each end of the fixed blade having a portion projecting through a slot in the housing end wall, and jack screw means secured to each end wall for adjustment of the fixed blade outward, the rotor blades being arranged on the shaft with their acute angled corners forward with respect to the chosen direction of rotation of the shaft for forming teeth presented toward the fixed blade.
Claim 2
Dependent Claim
213 words
A cutter machine comprising a housing having at least two ends and two sides enclosed, a motor driven shaft extending longitudinally of the housing and journalled in the housing ends, a plurality of rotor blades on the shaft, each rotor blade being a plate having a non-rectangular parallelogram configuration and having a central hole for the shaft, means for keying the plates to one another and means for keying at least one plate to the shaft, at least one elongated fixed blade extending longitudinally of the housing, the fixed blade being transversely slotted, blade supports and nut means in a sidewall of the housing, bolts passing from the supports through the blade slots to the nut means for adjustably securing the fixed blade in place, the fixed blade extending transversely through the housing sidewall to the outer surface so as to be accessible for adjustment inward, each end of the fixed blade having a portion projecting through a slot in the housing end wall, and jack screw means secured to each end wall for adjustment of the fixed blade outward, the rotor blades being arranged on the shaft with their acute angled corners forward with respect to the chosen direction of rotation of the shaft for forming teeth presented toward the fixed blade.
Claim 3
Dependent Claim
160 words
A cutter machine comprising a housing having at least two ends and two sides enclosed, at least one elongated fixed blade extending longitudinally of the housing, a motor driven shaft extending longitudinally and journalled in the housing ends, the shaft having an annular flange adjacent its driven end within the housing, a plurality of rotor blades on the shaft, the rotor blades being plates of substantial thickness having a non-rectangular parallelogram configuration, each plate being centrally apertured for the shaft and having its acute angle corner edges presented as teeth toward the fixed blade, the plates and the flange having keying holes therethrough uniformly spaced radially of the shaft, and keying pins in the holes for keying the plates and flange together, at least some of the plates having a pair of keying holes, one hole of the pair being angularly spaced about the shaft by a chosen small angle whereby contiguous plates may be angularly staggered about the shaft.
Claim 4
Dependent Claim
160 words
A cutter machine comprising a housing having at least two ends and two sides enclosed, at least one elongated fixed blade extending longitudinally of the housing, a motor driven shaft extending longitudinally and journalled in the housing ends, the shaft having an annular flange adjacent its driven end within the housing, a plurality of rotor blades on the shaft, the rotor blades being plates of substantial thickness having a non-rectangular parallelogram configuration, each plate being centrally apertured for the shaft and having its acute angle corner edges presented as teeth toward the fixed blade, the plates and the flange having keying holes therethrough uniformly spaced radially of the shaft, and keying pins in the holes for keying the plates and flange together, at least some of the plates having a pair of keying holes, one hole of the pair being angularly spaced about the shaft by a chosen small angle whereby contiguous plates may be angularly staggered about the shaft.
Claim 5
Dependent Claim
102 words
A cutter machine as defined in claim 2, each plate having two pairs of identical diametrically opposite keying holes therethrough uniformly spaced radially of the shaft, the opposite pair of holes being angularly spaced about the shaft by a chosen small angle, the flange having a like opposite pair of holes, and the pins in one opposite pair of holes extending from one plate to the next for keying contiguous plates together, the pins in the other opposite pair of holes of each plate keying that plate to the next plate, whereby the plate teeth edges are helically staggered about the shaft.
Claim 6
Dependent Claim
234 words
A rotor for a cutter machine comprising a shaft having an integral annular flange adjacent one end, a plurality of blades on the shaft, the blades comprising metal plates having a non-rectangular parallelogram configuration, all the plates being centrally apertured for the shaft and having at least two keying holes therethrough radially equally spaced from the shaft, one hole in each plate being angularly spaced from the other by a chosen small angle, at least one keying hole in the flange, key pins in the holes extending from the flange to the contiguous plate and from one plate to the next, the pin in one hole of each non-end plate keying it to the contiguous plate on one side and the pin in the other hole keying it to the contiguous plate on the other side, the plates being of such width as to overlie the end of the pins carried separately by its contiguous plates, at least one pin being of such length as to extend through the keying holes of three contiguous plates, the acute angled corners of the plates being arranged around the shaft for forming teeth helically staggered therearound in one direction along one portion of the shaft and in the other direction along another portion of the shaft, and removable means on the shaft for securing the plates contiguously against the flange, whereby the plates may be easily rearranged.
Claim 7
Dependent Claim
234 words
A rotor for a cutter machine comprising a shaft having an integral annular flange adjacent one end, a plurality of blades on the shaft, the blades comprising metal plates having a non-rectangular parallelogram configuration, all the plates being centrally apertured for the shaft and having at least two keying holes therethrough radially equally spaced from the shaft, one hole in each plate being angularly spaced from the other by a chosen small angle, at least one keying hole in the flange, key pins in the holes extending from the flange to the contiguous plate and from one plate to the next, the pin in one hole of each non-end plate keying it to the contiguous plate on one side and the pin in the other hole keying it to the contiguous plate on the other side, the plates being of such width as to overlie the end of the pins carried separately by its contiguous plates, at least one pin being of such length as to extend through the keying holes of three contiguous plates, the acute angled corners of the plates being arranged around the shaft for forming teeth helically staggered therearound in one direction along one portion of the shaft and in the other direction along another portion of the shaft, and removable means on the shaft for securing the plates contiguously against the flange, whereby the plates may be easily rearranged.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |