US492269A - Mechanical index - Google Patents
Mechanical index Download PDFInfo
- Publication number
- US492269A US492269A US492269DA US492269A US 492269 A US492269 A US 492269A US 492269D A US492269D A US 492269DA US 492269 A US492269 A US 492269A
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- US
- United States
- Prior art keywords
- wings
- index
- mechanical index
- mechanical
- series
- Prior art date
- 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
Links
- 230000001154 acute Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000010445 mica Substances 0.000 description 4
- 229910052618 mica group Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
Definitions
- the object of my invention is to provide a more convenient index than the one which is constructed in book form as ordinarily used.
- Figure 1 is a vertical longitudinal section and Fig. 2 isa plan View.
- A represents the base or stand which is provided with a vertical central shaft B.
- the revolving index consists of a cylindrical central part C and radial wings D.
- the vertical shaft passes through the cylindrical center, and has a finial E screwed upon its upper end to hold the index on, but still allow it to revolve.
- Each wing consists of two vertical plates set at a very acute angle at their outer edges, and rigidly fixed to the cylindrical center at their inner edges.
- an inturned flange aac which form a pocket or frame into which is slid from the top the card E which bears the names and pages of the petty and general ledger.
- Each wing D On the outer faces of these cards and also secured by the same fianges are transparent covers F of glass, mica, or other similar material.
- Each wing D it will be seen, has two faces or pages, and they all together afford space for a great number of names which are very conveniently brought into view by a touch of the finger.
- a revolving mechanical index consisting of the combination of a series of rigid radial wings each having two faces arranged at an acute angle with lianged marginal keepers, and a cylindrical body or center; detachable cards and transparent panes arranged within the keepers; and a central supporting shaft substantially as shown and described.
- a revolving mechanical index consisting of a series of rigid radial wings having card receiving spaces on each of its faces, and a series of alternating pivoted and swinging Wings with card spaces arranged between the rigid Wings, and a central supporting stand substantially as shown and described.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Description
(No Model.)
A. E. CARLSON. MECHANICAL MIDEX.
Patented Feb. 21, 18913.
W/TNESSES:
ATTORNEYS;
UNITED STATESv PATENT OFFICE.
ANDREV E. CARLSON, OF WALLACE, IDAHO.
MECHANICAL INDEX.
SPECIFICATION forming part of Letters Patent No. 492,269, dated February 21, 18913.
Application led September 23, 1892. Serial No. 446,746. (No model.`
To all whom, irl may concern:
Be it known that I, ANDREW E. CARLSON, of Vallace, in the county of Shoshone and State of Idaho,haveinvented a new and useful Improvement in Mechanical Indexes, of which the following is a specification.
The object of my invention is to provide a more convenient index than the one which is constructed in book form as ordinarily used.
It consists in a stand with central vertical shaft, and a series of radially arranged wings attached to a cylindrical Centex' and revolving on the vertical shaft, the said wings being formed of metal frames with detachable cards bearing the names slipped into the frame, and protected and kept clean by a glass or mica facing as hereinafter fully described. y
Figure 1 is a vertical longitudinal section and Fig. 2 isa plan View.
In the drawings A represents the base or stand which is provided with a vertical central shaft B. The revolving index consists of a cylindrical central part C and radial wings D. The vertical shaft passes through the cylindrical center, and has a finial E screwed upon its upper end to hold the index on, but still allow it to revolve. Each wing consists of two vertical plates set at a very acute angle at their outer edges, and rigidly fixed to the cylindrical center at their inner edges. Along the outer, bottom, and inner edges of each face or page of the wing is an inturned flange aac, which form a pocket or frame into which is slid from the top the card E which bears the names and pages of the petty and general ledger. On the outer faces of these cards and also secured by the same fianges are transparent covers F of glass, mica, or other similar material. Each wing D, it will be seen, has two faces or pages, and they all together afford space for a great number of names which are very conveniently brought into view by a touch of the finger.
To increase the capacity of the index, I hinge between the fixed wingsan alternating series of swinging wings D only one of which is shown which are constructed in the same manner as the rigid wings, except that they transparent panels o1' panes arranged in said keepers; combined with and arranged to revolve upon a central supporting shaft'substantially as shown and described.
2. A revolving mechanical index, consisting of the combination of a series of rigid radial wings each having two faces arranged at an acute angle with lianged marginal keepers, and a cylindrical body or center; detachable cards and transparent panes arranged within the keepers; and a central supporting shaft substantially as shown and described. V
3. A revolving mechanical index consisting of a series of rigid radial wings having card receiving spaces on each of its faces, and a series of alternating pivoted and swinging Wings with card spaces arranged between the rigid Wings, and a central supporting stand substantially as shown and described.
ANDREW E. CARLSON.
Witnesses:
EDWARD H. MOEEITT, G. I-I. ELLIS, J r.
Publications (1)
Publication Number | Publication Date |
---|---|
US492269A true US492269A (en) | 1893-02-21 |
Family
ID=2561113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US492269D Expired - Lifetime US492269A (en) | Mechanical index |
Country Status (1)
Country | Link |
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US (1) | US492269A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2558596A (en) * | 1948-05-29 | 1951-06-26 | Georgene Parkin Wassell | Reservation control apparatus |
CN105632361A (en) * | 2016-01-26 | 2016-06-01 | 吴俊伟 | Rotary advertisement frame |
-
0
- US US492269D patent/US492269A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2558596A (en) * | 1948-05-29 | 1951-06-26 | Georgene Parkin Wassell | Reservation control apparatus |
CN105632361A (en) * | 2016-01-26 | 2016-06-01 | 吴俊伟 | Rotary advertisement frame |
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