US845379A - Screw-fed machine. - Google Patents

Screw-fed machine. Download PDF

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Publication number
US845379A
US845379A US34072606A US1906340726A US845379A US 845379 A US845379 A US 845379A US 34072606 A US34072606 A US 34072606A US 1906340726 A US1906340726 A US 1906340726A US 845379 A US845379 A US 845379A
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United States
Prior art keywords
nut
screw
adjustable
adjustable upper
stationary
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US34072606A
Inventor
Omer Thomas
Grant Blackwell
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Ingersoll Rand Co
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Ingersoll Rand Co
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Publication date
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Priority to US34072606A priority Critical patent/US845379A/en
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Publication of US845379A publication Critical patent/US845379A/en
Anticipated expiration legal-status Critical
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2003—Screw mechanisms with arrangements for taking up backlash
    • F16H25/2006—Screw mechanisms with arrangements for taking up backlash with more than one nut or with nuts consisting of more than one bearing part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19893—Sectional
    • Y10T74/19898—Backlash take-up
    • Y10T74/19902—Screw and nut

Definitions

  • OMER THOMAS OF BEDFORD, AND GRANT BLAOKWELL, OF GUTHRIE, INDI- ANA, ASSIGN ORS TO INGER-SOLL-RAND COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.
  • This invention relates to certain improvements in screw-fed machines, and is particularly intended for use in connection with the means for mounting a track-channeler cylinder on its feed-screw, so that the weight ofthe cylinder may be divided between upper and lower feed-nuts, one of the nuts being stationary and the other nut adjustable, combined with means for clamping the adjustable nut against movement with respect to the cylinder.
  • FIG. 1 represents a portion of the feedscrew in side elevation and a portion of the cylinder and its means for mounting the cylinder on the screw shown in section.
  • Fig. 2 is a top plan view of the parts shown in Fig. 1.
  • Fig. 3 is a transverse section taken in the plane of the line A A of Fig. 1 looking in the direction of the arrows.
  • Figs. 4 and 5 are top plan and side views ofthe adjustable upper nut.
  • Figs. 6 and 7 are top plan and side views of the lower stationary nut, and Figs. 8 and 9 are side and top plan views of the jamnut.
  • the cylinder is denoted by 1, and it is provided with the usual lug 2, through the bore of which the feed-screw 3 extends.
  • This lug 2 is provided with an annular shoulder 4 in its bore.
  • the stationary lower nut is provided with a shank 5 and a head 6, which forms a shoulder 7.
  • the shank 5 ofthe lower nut extends upwardly within the bore of the lug 2 until its top engages the annular shoulder 4 or until the shoulder 7 on the head of the nut engages the bottom of the lug, as may be desired.
  • the cylinder is shown as being supported on the lower nut by the'engagement of the shank with the shoulder 4.
  • AThis nut is held against turning by the engagement of one sideof its head with the back yof the cylinder, in the present instance the vwith the back Vof the ⁇ c vlind er, iinfthe present instance by providing l.the-'clamp .with ktwo lugs 13 14 in use after the lug 2 has been inserted over the screw into engagement with the shoulder 7 on the lower nut.
  • the upper nut is screwed down until its lower erd engages the shoulder 4 in the bore of the lug 2.
  • the split clamp is then tightened on the nut 9 by means of the bolt 11, thus locking the adjustable nut against movement with respect to the cylinder.
  • the clamp 10 When it is desired to adjust the parts for wear, the clamp 10 may be loosened and the adjustable nut 9 screwed down to the proper point and the clamp again tightened.
  • a screw a stationary lower nut, an adjustable upper nut, a part supported between the nuts and means for locking the adjustable upper nut against movement with respect to the said part.
  • a screw a stationary nut, an adjustable nut, a part supported between the nuts and a split clamp embracing the adjustable nut and engaging the said part for locking the upper nut against movement with respect to the said part.
  • a screw a stationary lower nut, an ad- IOC justable upper nut, a part supported between the nuts and a split clamp embracing the adjustable upper nut and engaging the said part for locking the adjustable upper nut againstmovement withrespect to the said part.
  • a screw a stationary lower nut, an adjustable upper nut and a part supported on the lower nut and having a shoulder engaged by the adjustable upper nut.
  • a screw a stationary lower nut, an adjustable upper nut and a part supported, on the lower nut and having a shoulder engaged by the adjustable upper nut7 and means for locking the adjustable upper nu'fl against movement with respect to said part.
  • a screw a stationary lower nut, an adjustable upper nut and a part supported on the lower nut and having a shoulder engaged by the adjustable upper nut, and a split clamp embracing the adjustable upper nut and engaging said part for locking the adjustable upper nut against movement with respect to the said part.
  • a screw a stationary lower nut7 a part having a bore through which the screw eX- tends, said part being supported on the lower nut, an adjustable nut and an annular shoul- 'der within said bore engaged by the adjustable upper nut.
  • a screw a stationary lower nut, a part having a bore through which the screw eX- tends, said part being supported on the lower nut, an adjustable upper nut, an annular shoulder within said bore engaged by the adjustable upper nut, and means for locking the adjustable upper nut against movement with respect to said part.
  • a screw a stationary lower nut, a part having a bore through which the screw eX- tends, said part being supported on the lower nut, an adjustable nut, an annular shoulder within said bore engaged by the adjustable upper nut, and a split clamp embracing the adjustable upper nut and engaging the said part for locking the adjustable upper nut against movement with respect to said part.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Description

. PATBNTBD 13:13.26, 1907.. o. THoMAs L G. BLAGKWBLL.
.SCREW FED MACHINE.
'iz/lbese: Y @2% JKM. 4 www No. 845,379. PATENTBD FEB. 26, 1907.
O. THOMAS & G. BLAGKWELL. l
SCREW FED MACHINE.
APPLICATION FILED 00T. 26; 1906.
Z SHEETS-SHEET 2.
marmi) srnrns PATENT ernten.
OMER THOMAS, OF BEDFORD, AND GRANT BLAOKWELL, OF GUTHRIE, INDI- ANA, ASSIGN ORS TO INGER-SOLL-RAND COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.
SCREW-FED WIACHINE.
Patented Feb. 26, 1907.
Application filed October 26, 1906. Serial No. 340,726.
To ali 2071/0712, it may concern.-
Be it known that we, OMER THOMAS and GRANT BLAoKwELL, citizens ot .the United States, the former a resident of Bedford, in the county of Lawrence and State of indiana, and the latter a resident of Guthrie, in the county of Lawrence and State of indiana, have invented new and useful Improvements in Screw-Fed Machines, oi'which ythe following is a specification.
This invention relates to certain improvements in screw-fed machines, and is particularly intended for use in connection with the means for mounting a track-channeler cylinder on its feed-screw, so that the weight ofthe cylinder may be divided between upper and lower feed-nuts, one of the nuts being stationary and the other nut adjustable, combined with means for clamping the adjustable nut against movement with respect to the cylinder.
Av practical embodiment of our invention is represented in the accompanying drawings, in which- Figure 1 represents a portion of the feedscrew in side elevation and a portion of the cylinder and its means for mounting the cylinder on the screw shown in section. Fig. 2 is a top plan view of the parts shown in Fig. 1. Fig. 3 is a transverse section taken in the plane of the line A A of Fig. 1 looking in the direction of the arrows. Figs. 4 and 5 are top plan and side views ofthe adjustable upper nut. Figs. 6 and 7 are top plan and side views of the lower stationary nut, and Figs. 8 and 9 are side and top plan views of the jamnut.
The cylinder is denoted by 1, and it is provided with the usual lug 2, through the bore of which the feed-screw 3 extends. This lug 2 is provided with an annular shoulder 4 in its bore.
The stationary lower nut is provided with a shank 5 and a head 6, which forms a shoulder 7. The shank 5 ofthe lower nut extends upwardly within the bore of the lug 2 until its top engages the annular shoulder 4 or until the shoulder 7 on the head of the nut engages the bottom of the lug, as may be desired. In the present instance the cylinder is shown as being supported on the lower nut by the'engagement of the shank with the shoulder 4. AThis nutis held against turning by the engagement of one sideof its head with the back yof the cylinder, in the present instance the vwith the back Vof the `c vlind er, iinfthe present instance by providing l.the-'clamp .with ktwo lugs 13 14 in use after the lug 2 has been inserted over the screw into engagement with the shoulder 7 on the lower nut. The upper nut is screwed down until its lower erd engages the shoulder 4 in the bore of the lug 2. The split clamp is then tightened on the nut 9 by means of the bolt 11, thus locking the adjustable nut against movement with respect to the cylinder.
When it is desired to adjust the parts for wear, the clamp 10 may be loosened and the adjustable nut 9 screwed down to the proper point and the clamp again tightened.
It is evident that various changes might be made in the construction, form, and arrangement of the several parts and that the device may be used in other places than in connection with a channeler-cylinder. Hence we do not wish to limit ourselves strictly to the construction herein set forth but What we claim is- 1. A screw, a stationary nut, an adjustable nut, a part su pported between the nuts and means for locking the adjustable nut against movement with respect to the said part.
2. A screw, a stationary lower nut, an adjustable upper nut, a part supported between the nuts and means for locking the adjustable upper nut against movement with respect to the said part.
3. A screw, a stationary nut, an adjustable nut, a part supported between the nuts and a split clamp embracing the adjustable nut and engaging the said part for locking the upper nut against movement with respect to the said part.
4. A screw, a stationary lower nut, an ad- IOC justable upper nut, a part supported between the nuts and a split clamp embracing the adjustable upper nut and engaging the said part for locking the adjustable upper nut againstmovement withrespect to the said part.
5. A screw, a stationary lower nut, an adjustable upper nut and a part supported on the lower nut and having a shoulder engaged by the adjustable upper nut.
6. A screw, a stationary lower nut, an adjustable upper nut and a part supported, on the lower nut and having a shoulder engaged by the adjustable upper nut7 and means for locking the adjustable upper nu'fl against movement with respect to said part.
7. A screw, a stationary lower nut, an adjustable upper nut and a part supported on the lower nut and having a shoulder engaged by the adjustable upper nut, and a split clamp embracing the adjustable upper nut and engaging said part for locking the adjustable upper nut against movement with respect to the said part.
8. A screw, a stationary lower nut7 a part having a bore through which the screw eX- tends, said part being supported on the lower nut, an adjustable nut and an annular shoul- 'der within said bore engaged by the adjustable upper nut.
9. A screw, a stationary lower nut, a part having a bore through which the screw eX- tends, said part being supported on the lower nut, an adjustable upper nut, an annular shoulder within said bore engaged by the adjustable upper nut, and means for locking the adjustable upper nut against movement with respect to said part.
10. A screw, a stationary lower nut, a part having a bore through which the screw eX- tends, said part being supported on the lower nut, an adjustable nut, an annular shoulder within said bore engaged by the adjustable upper nut, and a split clamp embracing the adjustable upper nut and engaging the said part for locking the adjustable upper nut against movement with respect to said part.
In testimony that we claim the foregoing as our invention we have signed our names, in presence of two witnesses, this 9th day of October, 1906.
OMER THOMAS. GRANT BLAOKWELL. Vitnesses:
FRED BOWEN, O. W. GoBAT.
US34072606A 1906-10-26 1906-10-26 Screw-fed machine. Expired - Lifetime US845379A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999399A (en) * 1957-05-02 1961-09-12 Anderson Co Motion-converting device
US3080794A (en) * 1953-12-02 1963-03-12 American Tool Engineering Inc Turret type vertical milling machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3080794A (en) * 1953-12-02 1963-03-12 American Tool Engineering Inc Turret type vertical milling machine
US2999399A (en) * 1957-05-02 1961-09-12 Anderson Co Motion-converting device

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