US1062800A - Cushion-frame for cycles. - Google Patents
Cushion-frame for cycles. Download PDFInfo
- Publication number
- US1062800A US1062800A US73933812A US1912739338A US1062800A US 1062800 A US1062800 A US 1062800A US 73933812 A US73933812 A US 73933812A US 1912739338 A US1912739338 A US 1912739338A US 1062800 A US1062800 A US 1062800A
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- US
- United States
- Prior art keywords
- frame
- spring
- slide
- cycles
- stays
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/28—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay
- B62K25/286—Axle suspensions for mounting axles resiliently on cycle frame or fork with pivoted chain-stay the shock absorber being connected to the chain-stay via a linkage mechanism
Definitions
- This invention relates to frames for cycles,-
- tion is to produce a oushionframe adapted for use in a motor-bicycle in which a low saddle-position is required, the spring-mechanism being so arranged as to permit the use of springs of adequate length without any modification of the general arrangement and construction of the frame which experience has demonstrated to be most desirable in a motor-cycle of standard design.
- the present invention consists in a cycle-frame in which the rear-stays are connected with a spring-mechanism arranged to move in an inclined frame-member connecting the upper horizontal frame-member and the seat-mast, and in which the parts of the spring-mechanism are removable through the forward end of the inclined frame-member, in the manner hereinafter set forth.
- Figure 1 is a side-elevation of a motor-cycle frame embodying the present invention
- Fig. 2 is a vertical section, on a larger scale, of the portion of the frame in which the novel features of construction are embodied
- Fig. 3 is a section on the line 83 in Fig. 2.
- the invention is illustrated as embodied in a motor-cycle frame of which the general design is familiar, this frame including the usual seat-mast 5, upper horizontal member 6, lower rear-members or fork-sides 7, and upper rear-members 0r stays 8.
- the members 7 are pivotally mounted, at their forward ends, by a o-int located at or adjacent to the crankhanger 9.
- This oint may be formed, for eX- ample, in the manner illustrated in United States Letters Patent No. 973,217, granted to me October 18, 1910, or in any other usual or suitable manner.
- the lower ends of the rear-stays 8 are also pivoted at 10 in the usual manner, to permit the necessary relative movements of the parts.
- the present invention is embodied particularly in the means by which the upper ends of the rear-stays 8 are connected with the other parts of the frame.
- the frame is provided with an inclined tubular member 11, which connects the up per horizontal member 6 with the seat-mast 5, and constitutes also a casing and guide for the spring-mechanism.
- the member 11 is a slide 12, which fits the member 11 closely and moves longitudinally therein. This slide is connected, by a transverse bolt 13, with the upper ends of the rear-stays 8, and the bolt is provided, at its ends, with threaded bearing-sleeves 14, upon which the ends of the stays are loosely pivoted.
- the bolt is provided also with lock-nuts 16 to fix the parts together, and with slide-blocks 15, which move through lateral slots 17 in the member 11.
- Two compression-springs 18 and 19 are inclosed within the member 11, respectively above and below the slide 12.
- the spring 18 is adapted to cushion the forward movements of the slide and the rearstays, while the spring 19 constitutes a recoilspring, so that the slide is cushioned in both directions, while being normally retained in an intermediate position as shown in the drawings.
- the rear-end of the inclined frame-member 11 is shown as brazed into a fitting 20 to which the upper end of the seatmast is also brazed, and this fitting also comprises integrally a horizontally-extending stem 21, upon which the saddle may be mounted without the use .of a saddle-post.
- This member also constitutes a seat for the .lower end of the spring 19.
- the forward end of themember 11 is brazed into a fitting 22,by which it is connected with the upper framemember 6, and it passes completely through this fitting, so that its forward end projects 1 above the frame-member 6.
- a screw-threaded cap 23 is provided, to close the endof the member 11 and constitute a seat for the forward end of thespring 18.
- the springs and the slide may be removed from ,or replaced in the member 11, so that in case of the breakage of, a spring the parts may be disassembled anda new spring substituted without the necessity of removing the saddle or disassembling any other part of the machine
- Another advantage of the arrangement above described resides in the fact that the frame-member 11 may be arranged to extend in, a line parallel with the rear-stays 8, so that the thrust upon the slide 12 is direct, and lateral thrust and friction in the springmechanism are elilninte'd.
- a cycle-frame comprising inclined rear-stays, a seat-mast and a horizontal ,upp er frame-member, an inclined tubular member connecting the seat-mast and the horizontal upper frame-member, and pro vided with lateral slots, said inclined member extending in a line substantially parallel ,with the rear-stays, spring-mechanism intending above the horizontal upper framemember, a removable closure for the forward end of the spring-receiving chamber, a spring in said chamber, and connect-ions between the spring and the upper ends of the rear-stays, the inclined frame-member being slotted for the passage of said connections.
- a cycle-frame comprising inclined rear-stays, a seat-mast and a horizontal upper frame-member, an inclined tubular member connecting the seat-mast and the horizontal upper member and laterally slotted, a fitting receiving and closing the upper end of the seat-mast and the rear end of said inclined member, and provided with an integral, rearwardly-extending saddle-supporting member, a fitting receiving the forward end of the inclined frame-member and the rear end of the upper horizontal framemember, a screw-threaded cap closing the forward end of the inclined frame-member, springs and a spring-controlled slide movable within said inclined member, and connections between the slide and the upper ends 7 of the rear-stays, said connections passing through the slots in the incllned member.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Description
J. H. SAGER.
CUSHION FRAME FOR CYCLES.
APPLICATION FILED DEC, 30, 1912.
1,062,800. Patented May 27, 1913.
COLUMBIA PLANOGRADH o..wAsHlNuToN. D. c.
JAMES H. SAGER, OF ROCHESTER, NEW YORK.
CUSHION-FRAME FOR CYCLES.
Specification of Letters Patent.
Patented May 27 1913.
Application filed December 30, 1912. Serial No. 739,338.
To all whom 2'25 may concern:
Be it known that I, JAMES H. Saonn, a citizen of the United States, and resident of Rochester, in the county of Monroe and State of New York, have invented certain new and useful Improvements in Gushion Frames for Cycles, of which the following is a specification.
This invention relates to frames for cycles,-
particularly for motor-cycles, of the type commonly described as cushion-frames,
tion is to produce a oushionframe adapted for use in a motor-bicycle in which a low saddle-position is required, the spring-mechanism being so arranged as to permit the use of springs of adequate length without any modification of the general arrangement and construction of the frame which experience has demonstrated to be most desirable in a motor-cycle of standard design.
To the foregoing ends the present invention consists in a cycle-frame in which the rear-stays are connected with a spring-mechanism arranged to move in an inclined frame-member connecting the upper horizontal frame-member and the seat-mast, and in which the parts of the spring-mechanism are removable through the forward end of the inclined frame-member, in the manner hereinafter set forth.
In the accompanying drawings :Figure 1 is a side-elevation of a motor-cycle frame embodying the present invention; Fig. 2 is a vertical section, on a larger scale, of the portion of the frame in which the novel features of construction are embodied; and Fig. 3 is a section on the line 83 in Fig. 2.
The invention is illustrated as embodied in a motor-cycle frame of which the general design is familiar, this frame including the usual seat-mast 5, upper horizontal member 6, lower rear-members or fork-sides 7, and upper rear-members 0r stays 8. As is usual in cushionframes, the members 7 are pivotally mounted, at their forward ends, by a o-int located at or adjacent to the crankhanger 9. This oint may be formed, for eX- ample, in the manner illustrated in United States Letters Patent No. 973,217, granted to me October 18, 1910, or in any other usual or suitable manner. The lower ends of the rear-stays 8 are also pivoted at 10 in the usual manner, to permit the necessary relative movements of the parts.
The present invention is embodied particularly in the means by which the upper ends of the rear-stays 8 are connected with the other parts of the frame. For this purpose the frame is provided with an inclined tubular member 11, which connects the up per horizontal member 6 with the seat-mast 5, and constitutes also a casing and guide for the spring-mechanism. lVithin the member 11 is a slide 12, which fits the member 11 closely and moves longitudinally therein. This slide is connected, by a transverse bolt 13, with the upper ends of the rear-stays 8, and the bolt is provided, at its ends, with threaded bearing-sleeves 14, upon which the ends of the stays are loosely pivoted. The bolt is provided also with lock-nuts 16 to fix the parts together, and with slide-blocks 15, which move through lateral slots 17 in the member 11. Two compression- springs 18 and 19 are inclosed within the member 11, respectively above and below the slide 12. The spring 18 is adapted to cushion the forward movements of the slide and the rearstays, while the spring 19 constitutes a recoilspring, so that the slide is cushioned in both directions, while being normally retained in an intermediate position as shown in the drawings.
The arrangement of the slide and the springs just described is somewhat similar to that disclosed in my patent above referred to, but in that patent the slide was arranged to move in the upper horizontal member of the frame, and the parts of the spring-mechanism were removable through a perforation in the rear of the seat-mast, being normally retained in place by the removable saddle-post. In the present arrangement, however, particularly when used in connection with motor-cycles, it is not convenient to remove the parts of the spring-mechanism in this manner, especially as it is common to mount the saddle of a motor-cycle without the use of a removable saddle-post.
In the illustrated embodiment of the invention, therefore, the rear-end of the inclined frame-member 11 is shown as brazed into a fitting 20 to which the upper end of the seatmast is also brazed, and this fitting also comprises integrally a horizontally-extending stem 21, upon which the saddle may be mounted without the use .of a saddle-post. This member also constitutes a seat for the .lower end of the spring 19. To provide for ,the introduction andremoval of the parts of the. spring-mechanism, the forward end of themember 11 is brazed into a fitting 22,by which it is connected with the upper framemember 6, and it passes completely through this fitting, so that its forward end projects 1 above the frame-member 6. At this point a screw-threaded cap 23 is provided, to close the endof the member 11 and constitute a seat for the forward end of thespring 18. Upon removing this cap and disengaging thebolt 13 from the slide the springs and the slide may be removed from ,or replaced in the member 11, so that in case of the breakage of, a spring the parts may be disassembled anda new spring substituted without the necessity of removing the saddle or disassembling any other part of the machine Another advantage of the arrangement above described resides in the fact that the frame-member 11 may be arranged to extend in, a line parallel with the rear-stays 8, so that the thrust upon the slide 12 is direct, and lateral thrust and friction in the springmechanism are elilninte'd.
[My invention is not limited to the embodiment thereof hereinbefore' described and illustrated in the accompanying drawings, butmay be embodied in various other forms within the. nature of the invention, as it is defined in the following claims.
:I claim 1.: In a cycle-frame comprising inclined rear-stays, a seat-mast and a horizontal ,upp er frame-member, an inclined tubular member connecting the seat-mast and the horizontal upper frame-member, and pro vided with lateral slots, said inclined member extending in a line substantially parallel ,with the rear-stays, spring-mechanism intending above the horizontal upper framemember, a removable closure for the forward end of the spring-receiving chamber, a spring in said chamber, and connect-ions between the spring and the upper ends of the rear-stays, the inclined frame-member being slotted for the passage of said connections.
3. In a cycle-frame comprising inclined rear-stays, a seat-mast and a horizontal upper frame-member, an inclined tubular member connecting the seat-mast and the horizontal upper member and laterally slotted, a fitting receiving and closing the upper end of the seat-mast and the rear end of said inclined member, and provided with an integral, rearwardly-extending saddle-supporting member, a fitting receiving the forward end of the inclined frame-member and the rear end of the upper horizontal framemember, a screw-threaded cap closing the forward end of the inclined frame-member, springs and a spring-controlled slide movable within said inclined member, and connections between the slide and the upper ends 7 of the rear-stays, said connections passing through the slots in the incllned member.
JAMES H. SAGER.
Witnesses:
C. S. DAVIS, D. GURNEE.
: Copies oi this patent may be obtained for five cents each, by addressing the Commissioner of Batents,
Washington. D. C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73933812A US1062800A (en) | 1912-12-30 | 1912-12-30 | Cushion-frame for cycles. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73933812A US1062800A (en) | 1912-12-30 | 1912-12-30 | Cushion-frame for cycles. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1062800A true US1062800A (en) | 1913-05-27 |
Family
ID=3131046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US73933812A Expired - Lifetime US1062800A (en) | 1912-12-30 | 1912-12-30 | Cushion-frame for cycles. |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3942821A (en) * | 1973-09-29 | 1976-03-09 | Rolf Bock | Bicycle suspension |
US5671936A (en) * | 1995-08-10 | 1997-09-30 | Turner; David Roy | Shock absorbing bicycle frame apparatus |
-
1912
- 1912-12-30 US US73933812A patent/US1062800A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3942821A (en) * | 1973-09-29 | 1976-03-09 | Rolf Bock | Bicycle suspension |
US5671936A (en) * | 1995-08-10 | 1997-09-30 | Turner; David Roy | Shock absorbing bicycle frame apparatus |
WO1998040270A1 (en) * | 1995-08-10 | 1998-09-17 | David Roy Turner | Shock absorbing bicycle frame apparatus |
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