US674829A - Air-pump for bicycles. - Google Patents

Air-pump for bicycles. Download PDF

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Publication number
US674829A
US674829A US3236900A US1900032369A US674829A US 674829 A US674829 A US 674829A US 3236900 A US3236900 A US 3236900A US 1900032369 A US1900032369 A US 1900032369A US 674829 A US674829 A US 674829A
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United States
Prior art keywords
pump
barrel
rod
piston
bicycle
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Expired - Lifetime
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US3236900A
Inventor
John Furbow
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ELIZABETH FURBOW
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ELIZABETH FURBOW
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Publication date
Application filed by ELIZABETH FURBOW filed Critical ELIZABETH FURBOW
Priority to US3236900A priority Critical patent/US674829A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J11/00—Supporting arrangements specially adapted for fastening specific devices to cycles, e.g. supports for attaching maps
    • B62J11/02—Supporting arrangements specially adapted for fastening specific devices to cycles, e.g. supports for attaching maps for pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/10—Arrangement of tyre-inflating pumps mounted on vehicles
    • B60C23/105—Arrangement of tyre-inflating pumps mounted on vehicles the pump being mounted in the saddle-pillar of a bicycle
    • 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
    • B62K19/00—Cycle frames
    • B62K19/30—Frame parts shaped to receive other cycle parts or accessories

Definitions

  • My invention relates to improvements in air-pumps for bicycles; and one object of the invention is to provide a powerful pump forming an integral part of the bicycle-frame, which pump does not materially affect the bicycle in respect to its weight, cost, or appearance, whereby the pump is always accessible and in condition for use in inflating the tires of either the back or front wheels.
  • a further object of the invention is to provide an improved construction which permits the pump-rod to be housed within the machine -frame entirely from view when the pump is not in use, although by detaching a cap a pump-rod-operating handle may readily be connected to the pump-rod.
  • the means for housing the pump-rod are readily detachable from the pump barrel or cylinder, which in my invention is formed by the seat-post of the bicycle-frame.
  • a further object is to provide improved means adapted to close the pn nip-barrel above the crank-hanger and to afford a means for coupling a flexible hose and, furthermore, to provide the means whereby a bicycle-saddle may be clamped on the machine-frame in a position which does not hinder the free operation of the pump.
  • the invention consists in the novel combination of devices and in the construction and arrangement of parts, which will be hereinafter fully described and claimed.
  • Figure l is a side elevation of the rear portion of a bicycle, showing the operative position of my improved inflating-pump.
  • Fig. 2 is a sectional elevation of some of the parts shown by Fig. 1, illustrating the pump-barrel in section and the pump-rod housed within the head and cap which closes the upper end of the pumpbarrel, the saddle being omitted.
  • Fig. 3 is an enlarged detail view of a portion of the pump-barrel and the pump-rod, showing the closure and cap for the parts.
  • Fig. 1 is a side elevation of the rear portion of a bicycle, showing the operative position of my improved inflating-pump.
  • Fig. 2 is a sectional elevation of some of the parts shown by Fig. 1, illustrating the pump-barrel in section and the pump-rod housed within the head and cap which closes the upper end of the pumpbarrel, the saddle being omitted.
  • Fig. 3 is an enlarged detail view of a portion of the pump
  • FIG. 4 is a fragmentary view, on an enlarged scale, of a portion of the pump-barrel and the pistonhead, illustrating the construction of the partition and the hose-attaching nipple.
  • Fig. 5 is a detail view showing the operating-handle applied to the pump-rod.
  • This barrel 10 designates the barrel or cylinder of my improved inflating pump.
  • This barrel is formed by the part of the bicycle which has heretofore been employed for the reception of the seat-post; but in myinvention the interior of said barrel 10 is formed for the piston-head 11 and its packing 12 to fit therein truly.
  • the upper portion of the barrel 10 is extended a suitable distance above the coupling 13, which unites the upper reach 14 and the backstay 15 to the barrel, and the lower end of this barrel is united in the well-known way to the crank-hanger, by which the lower front-reach 16 and the back reach 17 are coupled at the point where the crank-shaft 18 is mounted in the machine-frame.
  • the piston 11 and its packing 12 may be of any construction preferred by the skilled constructor, and to this piston is attached the lower portion of a piston-rod 19, the latter extending through the upper portion of the barrel l0 and being furthermore provided with a male'threaded extremity 20. (See Figs. 3 and 5.)
  • the upper ppen end of the pump-barrel is adapted to be closed by means of a head 21, which is formed with a male-threaded flange 22, adapted to be screwed into a femalethreaded upper extremity of said pump-barrel.
  • Said head 21 is furthermore provided with an internal boss 23, through which passes the piston-rod 19, so that the boss serves as a guide, and said head 21 is furthermore provided with an external nipple 24, the latter being concentric with the axis of the head and forming a chamber in which is inclosed the threaded extremity of the piston-rod.
  • This nipple is itself inclosed by a cap 25,
  • the cap 25 may be disconnected in order to permit the shank 26 of an operating-handle to be connected with the pistonrod-19, as shown by Fig. 5.
  • Said shank of the handle is formed with a female-threaded socket 27, adapted for the reception of the threaded upper extremity 20 of the pistonrod, and a suitable hand-grasp 28 is attached to the shank, whereby the handle may be grasped and manipulated for the purpose of reciprocating the piston.
  • the handle may be readily unscrewed from the piston-rod and the cap reapplied to the nipple 24:.
  • the operating-handle is comparatively small for the purpose of conveniently carrying it in the pocket of the rider.
  • the head 21 may be unscrewed from the pumpbarrel, thus opening the latter and permitting the pump-rod and the piston-head to be readily withdrawn from the barrel whenever desired.
  • a partition which is secured in the seat-post tube at a suitable point above the crank-hanger, said partition forming the bottom or foot of the pum p-barrel.
  • the partition is offset, as at 31, to form a passage 32, which communicates with a hose-nipple 33, provided on the outside of the pump-barrel, and to this hose-nipple is connected a flexible hose 34, which may be long enough to reach to the inflating-valve of a tire at the front or back wheel of the bicycle.
  • this bracket which is clamped upon the part of the pumpbarrel which projects above the coupling 13, and this bracket has a forwardly-extending arm 37, that lies over the upper reach 145, and on which is clamped the saddle in the usual way, whereby the saddle is disposed in operative position on the frame, and its position does not prevent the free use of the inflatingpump. It is evident, however, that other means may be adopted for mounting the saddle, as desired.
  • a bicycle having a pump-barrel formed by the seat-post tube 10 and provided with a partition at its lower end, a head 21 removably secured to the upper end of said tube and provided with a central internal guide 23 and an upwardly-projecting and threaded nipple, a piston-rod fitted in the guide and having a threaded end adapted, in the inoperative position of the rod, to be housed in the nipple, a cap screwed to said nipple and completely inclosing said threaded end of the piston-rod, and a handle adapted to be connected detachably to the piston-rod on the removal of the cap,substantially as described.
  • a bicycle comprising a pump barrel formed by the seat-post tube 10 of said bicycle-frame and having its upper end extended for exposure above the union 13, a closure for the upper end of said pump-barrel, a saddlecarrying bracket clamped to the extended portion of the pump-barrel, a pump-piston having its rod extended into the closure, and a handle separably coupled to said piston-rod and disposed in rear of the position assumed by the saddle on the bracket, whereby the pump-piston may be operated without dismounting the saddle and the latter does not interfere with the operation of the pump, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Description

No. 674,829. Patented May 2|, I90I. J. FURBUW.
AIR PUMP FOR BICYCLES.
(Application filed Oct. 8, 1900.)
(N 0 Model.)
Wimesses inn STATES PATENT OFFICE.
JOHN FURBOW, OF CUMBERLAND, CANADA, ASSI'GNOR TO ELIZABETH FURBOW, OF SAME PLACE.
AIR-PUMP FOR BICYCLES.
SPECIFICATION forming part of Letters Patent No. 674,8 dated y 21, 1901- Application filed October 8, 1900. Serial No. 82,369. (No model.)
To all whom it may concern.-
Be it known that I, JOHN FURBOW, a subject of Her Majesty the Queen of Great Britain, residing at Cumberland, in the county of Victoria, Province of British Columbia, Canada, have invented certain new and useful Improvements in Air-Pumps for Bicycles; and I do hereby declare that the following is a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to improvements in air-pumps for bicycles; and one object of the invention is to provide a powerful pump forming an integral part of the bicycle-frame, which pump does not materially affect the bicycle in respect to its weight, cost, or appearance, whereby the pump is always accessible and in condition for use in inflating the tires of either the back or front wheels.
A further object of the invention is to provide an improved construction which permits the pump-rod to be housed within the machine -frame entirely from view when the pump is not in use, although by detaching a cap a pump-rod-operating handle may readily be connected to the pump-rod. The means for housing the pump-rod are readily detachable from the pump barrel or cylinder, which in my invention is formed by the seat-post of the bicycle-frame.
A further object is to provide improved means adapted to close the pn nip-barrel above the crank-hanger and to afford a means for coupling a flexible hose and, furthermore, to provide the means whereby a bicycle-saddle may be clamped on the machine-frame in a position which does not hinder the free operation of the pump.
The invention consists in the novel combination of devices and in the construction and arrangement of parts, which will be hereinafter fully described and claimed.
In the drawings hereto annexed and forming a part of this specification, Figure l is a side elevation of the rear portion of a bicycle, showing the operative position of my improved inflating-pump. Fig. 2 is a sectional elevation of some of the parts shown by Fig. 1, illustrating the pump-barrel in section and the pump-rod housed within the head and cap which closes the upper end of the pumpbarrel, the saddle being omitted. Fig. 3 is an enlarged detail view of a portion of the pump-barrel and the pump-rod, showing the closure and cap for the parts. Fig. 4 is a fragmentary view, on an enlarged scale, of a portion of the pump-barrel and the pistonhead, illustrating the construction of the partition and the hose-attaching nipple. Fig. 5 is a detail view showing the operating-handle applied to the pump-rod.
The same numerals of reference denote corresponding parts in each of the several figures of the drawings.
10 designates the barrel or cylinder of my improved inflating pump. This barrel is formed by the part of the bicycle which has heretofore been employed for the reception of the seat-post; but in myinvention the interior of said barrel 10 is formed for the piston-head 11 and its packing 12 to fit therein truly. The upper portion of the barrel 10 is extended a suitable distance above the coupling 13, which unites the upper reach 14 and the backstay 15 to the barrel, and the lower end of this barrel is united in the well-known way to the crank-hanger, by which the lower front-reach 16 and the back reach 17 are coupled at the point where the crank-shaft 18 is mounted in the machine-frame.
The piston 11 and its packing 12 may be of any construction preferred by the skilled constructor, and to this piston is attached the lower portion of a piston-rod 19, the latter extending through the upper portion of the barrel l0 and being furthermore provided with a male'threaded extremity 20. (See Figs. 3 and 5.)
The upper ppen end of the pump-barrel is adapted to be closed by means of a head 21, which is formed with a male-threaded flange 22, adapted to be screwed into a femalethreaded upper extremity of said pump-barrel. Said head 21 is furthermore provided with an internal boss 23, through which passes the piston-rod 19, so that the boss serves as a guide, and said head 21 is furthermore provided with an external nipple 24, the latter being concentric with the axis of the head and forming a chamber in which is inclosed the threaded extremity of the piston-rod.
This nipple is itself inclosed bya cap 25,
which has a threaded connection with the nipple for the purpose of detaching the cap and enabling access to be had to the .pumprod without removing the head 21 from the pump-barrel. When the cap is applied to the nipple 24:, the piston-rod and its threaded extremity are entirely housed within the pump-barrel, as shown by Fig. 3; but it is';
evident that the cap 25 may be disconnected in order to permit the shank 26 of an operating-handle to be connected with the pistonrod-19, as shown by Fig. 5. Said shank of the handle is formed with a female-threaded socket 27, adapted for the reception of the threaded upper extremity 20 of the pistonrod, and a suitable hand-grasp 28 is attached to the shank, whereby the handle may be grasped and manipulated for the purpose of reciprocating the piston. It is evident that the handle may be readily unscrewed from the piston-rod and the cap reapplied to the nipple 24:. The operating-handle is comparatively small for the purpose of conveniently carrying it in the pocket of the rider. The head 21 may be unscrewed from the pumpbarrel, thus opening the latter and permitting the pump-rod and the piston-head to be readily withdrawn from the barrel whenever desired.
30 designates a partition, which is secured in the seat-post tube at a suitable point above the crank-hanger, said partition forming the bottom or foot of the pum p-barrel. The partition is offset, as at 31, to form a passage 32, which communicates with a hose-nipple 33, provided on the outside of the pump-barrel, and to this hose-nipple is connected a flexible hose 34, which may be long enough to reach to the inflating-valve of a tire at the front or back wheel of the bicycle.
The adaptation of the part 10 of the pumpbarrel necessitates the provision of other means for supporting the saddle on the bicycle-frame. I have provided a bracket 36,
which is clamped upon the part of the pumpbarrel which projects above the coupling 13, and this bracket has a forwardly-extending arm 37, that lies over the upper reach 145, and on which is clamped the saddle in the usual way, whereby the saddle is disposed in operative position on the frame, and its position does not prevent the free use of the inflatingpump. It is evident, however, that other means may be adopted for mounting the saddle, as desired.
The operation and advantages of this invention will be readily understood from the foregoing description, taken in connection with the drawings.
Changes within the scope of the appended claims may be made in the form and proportion of some of the parts while their essential features are retained and the spirit of the invention is embodied. Hence I do not desire to be limited to the precise form of all the parts as shown, reserving the right to vary therefrom.
Having thus described my invention, what I claim as new is 1. A bicycle having a pump-barrel formed by the seat-post tube 10 and provided with a partition at its lower end, a head 21 removably secured to the upper end of said tube and provided with a central internal guide 23 and an upwardly-projecting and threaded nipple, a piston-rod fitted in the guide and having a threaded end adapted, in the inoperative position of the rod, to be housed in the nipple, a cap screwed to said nipple and completely inclosing said threaded end of the piston-rod, and a handle adapted to be connected detachably to the piston-rod on the removal of the cap,substantially as described.
2. A bicycle comprising a pump barrel formed by the seat-post tube 10 of said bicycle-frame and having its upper end extended for exposure above the union 13, a closure for the upper end of said pump-barrel, a saddlecarrying bracket clamped to the extended portion of the pump-barrel, a pump-piston having its rod extended into the closure, and a handle separably coupled to said piston-rod and disposed in rear of the position assumed by the saddle on the bracket, whereby the pump-piston may be operated without dismounting the saddle and the latter does not interfere with the operation of the pump, substantially as described.
In witness whereof I have hereunto set my hand in the presence of two witnesses.
JOHN FURBOVV.
Witnesses:
WILLIAM HICKS, JAMES MCGUIRE.
US3236900A 1900-10-08 1900-10-08 Air-pump for bicycles. Expired - Lifetime US674829A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035440A (en) * 1989-08-09 1991-07-30 Chappell International, Inc. Pump
US5127804A (en) * 1989-08-09 1992-07-07 Innovative Bicycle Products, Inc. Bicycle seat-tube pump with one-way valves
US5137430A (en) * 1988-05-27 1992-08-11 Alioto Kevin J Air pump for bicycle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137430A (en) * 1988-05-27 1992-08-11 Alioto Kevin J Air pump for bicycle
US5035440A (en) * 1989-08-09 1991-07-30 Chappell International, Inc. Pump
US5127804A (en) * 1989-08-09 1992-07-07 Innovative Bicycle Products, Inc. Bicycle seat-tube pump with one-way valves

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