US1492462A - Valve remover - Google Patents

Description

April 29,1924, 1,492,462

R. K. HOY

VALVE REMOVE'H Filed May 2, 1923 ROBERT K. HOY, or Lmvron'r, PENNSYLVANIA.

VALVE antioviea.

Application filled May 2,

' To all whom it may concern:

Be it known that Bonner K. HoY, a cit-izen of the United States, residing at Lemont, in the county of Center and State of Pennsylvania, has invented certain new and useful Improvements in Valve Removers, of which the following is a specification.

This invention relates to valve removing tools and more particularly to a tool for removing thevalves and case therefor used in the valve in head type of motor. An object of the invention resides in providing a valve removing tool including a pair of jaw members having a pivotal connection with a rod member, and a sliding weight on the rod member. adapted to engage the removable head on the end of said member to applyan impact to an object gripped in said jaws to remove it from an associated part with which it is frictionally engaged.

Another object of the invention resides in providing a valve and valve cage removing tool particularly adapted for use in connection with valve in head motors wherein a pair of pivotally connected jaw members are provided with handles arranged in oiiset relation to the jaws and are adapted for movement to have the jaws gripped below the valve spring cap and held in engagement therewith, so that when a slidable weight mounted on a rod connected with the jaw members at their pivots is operated on the rod to give an impact against the head on the upper end thereof, this impact will be transmitted to the valve in the cage for removing the cage from the cylinder head in which it ordinarily has a driving fit.

The invention comprehends other objects and improvements in the details of construction and arrangement of the parts which is more particularly pointed out in the following description and claims.

In the drawing,

Figure 1 is a side elevation of the improved valve remover.

Figure 2 is a view taken at right angles to Figure 1, and

Figure 3 is a perspective view of the weight.

1 and 2 indicate a pair of jaws which are crossed and pivotally connected at 3 and have their upper end portions offset as indicated at 1 to one side of the plane of the jaw members and e rtended in substantially parallel handle portions 5, providing a convenient means for manually operating the 1523. Serial No. 636,665.

jaw members, so that the ends 6 thereof may be engaged under the usual valve spring cap. A' rod' :7 is providedwithra forked end 8 which fits over the outer sides of the jaw members 1 and 2 and receives the pivot pin 3 which pivotally mounts'the jaw members and pivotally connects the rod 7 thereto. The other end of this rod is provided with a nut 9, threadably mounted on the end of the rod to permit the engagement with and removal of a weight member 10 adapted for sliding movement on said rod. The lower portion of this weight member is of cylindrical form as indicated at 11 and merges into an outwardly curved portion terminating in an enlarged head portion 12 at the upper end, providing a convenient form of weight structure adapted to be gripped and raised upwardly to provide an impact against the nut 9 at the upper end of the rod for transmission to the jaw members.

In the use of this tool, in removing valves from the valve in head type of motor, it is also necessary to remove the valve cage, which in this type of motor is ordinarily machined to fit in the opening in the cylinder head, so that it will have a driving fit in order to prevent leakage around the sleeve. The jaws 1 and 2 are moved so that the ends 6 will engage under the valve spring cap by a manual operation of the handles 5, which are held in this position while the weight 10 is given an upward sliding movement on the rod 7 for engagement with the nut 9 for providing an impact or blow to said nut adapted to be transmitted through the jaw members to the valve spring cap and through the valves to the cage for effecting the removal of the cage from the cylinder head.

This tool forms a means of driving thecage out of the cylinder head in an efiicient manner, saving much time and labor over the old method of removing this cage, which necessitated the disassembly of the engine to drive the sleeve out from the inside of the cylinder.

It is further to be noted that this tool maybe readily used in any other manner where two parts have a tight fitting sliding connection for removing one of these parts from the other.

What is claimed it:

1. A tool of the class described including a pair of pivoted gripping members, a rod connected to said members at one end and provided with a removable head at the other end, and an imp act member slidably mounted on said rod and adapted for movement thereon for hitting said head to transmit an impact to the gripping members and an object held thereby.

2. A tool of the class described including a pair of pivotally connected gripping mem bers having offset operatinghandles, a rod connected with said handles at their pivots, and an impact member slidable on the rod for transmitting an impact thereto to be imparted to an object gripped in the gripping member.

3. A tool of the class described including a pair of crossed jaw members, a pivot pin connecting said jaw members at the central portions, a rod having a forked end extending over the cross jaw members and receiving the pivot pin, a nut removably mounted on the other end of the rod, and a Weight slidably mounted on the rod for engagement with the nut to impart an impact to the rod for transmission to an object gripped by the jaw members.

In testimony whereof I affix my signature.

ROBERT K. HOY.

Images