US917789A

US917789A - Lifting-jack.

Info

Publication number: US917789A
Application number: US39772707A
Authority: US
Inventors: William H Oliver
Original assignee: Individual
Current assignee: Individual
Priority date: 1907-10-16
Filing date: 1907-10-16
Publication date: 1909-04-13
Anticipated expiration: 1926-04-13

Description

W. 11. OLIVER.

LIFTING JACK.

APPLICATION Hum 001'. 16, 1907.

Patented Apr. 13, 1909.

m: mums PETERS ,cu. \nsnmcrau, n. c.

WILLIAM H. OLIVER, OF CHICAGO, ILLINOIS.

LIFTING-JACK.

Specification of Letters Patent.

Patented April 13, 1909.

Application filed October 16, 1907. Serial No. 397,727.

To all whom it may concern:

Be it known that I, WILLIAM H. OLIVER, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Lifting-Jacks, of which the following is a specification.

This invention relates to improvements in lifting jacks and more particularly to the type of jack shown in my United States Letters Patent No. 784,589, issued March 1st, 1905, and the primary object of the invention is to construct an improved jack of this character provided with a detachable handle or lever and in which the handle socket is located at high elevation with respect to the support and offset or depressed to permit a full movement of the handle without being obstructed in its movement by any of the parts of the vehicle.

A further object is to provide an improved form of handle which is adapted to be inverted in its socket to limit the operative movement thereof in one direction.

A further object is to provide an improved handle constructed in the form of a com pound tool which may be removed and used to repair parts of the machine.

' A further object is to provide an improved device of this character which will be simple, durable and cheap in construction and effective and efficient in operation.

To the attainment of these ends and the accomplishment of other new and useful objects, as will appear, the invention consists in the features of novelty in the construction, combination and arrangement of the several parts hereinafter more fully described and claimed and shown in the accompanying drawing, in whicl Figure l is a side elevation of an improved lifting jack constructed in accordance with the principles of this invention showing the handle in different positions. Fig. 2 is a detail perspective view of the handle. Fig. 3 is a transverse sectional view on line 33 of Fig. 1. Fig. 4 is a detail perspective view of one end of the handle. Fig. 5 is a detail perspective view of one of the members of the handle socket.

Referring more particularly to the drawing and in the present exemplification of the invention, the numeral designates a suitable supporting frame which is preferably hollow and provided with a base or foot 11. A suitable standard 12, provided with ratchet teeth 18, l t at the front and rear face thereof, is adapted to move within the support 10.

A member 1a, provided with a bifurcated extremity 16 forming arms 17, is pivotally mounted as at 18 to the standard or support 10 preferably adjacent the top thereof, and one of the arms 17 is adapted to stand on e ch side of the support with one extremity thereof projecting beyond the support, to form an oscillating member. This member is provided with a handle socket 19 adjacent the other extremity thereof, which is depressed or off-set with relation to the arms 17 so that the socket will stand below the point of pivotal support 18 to permit the member to be oscillated. about its pivot and not be obstructed by any of the parts of the machine or object being raised by the adjustment to the standard 12.

Pivotally supported to the member 15, preferably within the bifurcated portion 16 and arranged on each side of the standard 10, are pawls 20, 21, which are adapted to respectively engage the

ratchetteeth

13, 14, on the standard 12 and suitable springs 22 may be provided for normally holding the pawls in yielding engagement with the respective ratchet teeth so that when the member 15 is oscillated the pawls will be moved with the member to raise or lower the support or standard in a manner similar to that set forth in the patent above referred to. The oscillating member 15 is preferably formed of two sections held together in any desired or suitable manner, such as by means of bolt passing through suitable apertures 2 1 in the respective members, but if de-' sired the member may be cast or formed in one piece having a bifurcated extremity 16.

The handle 25 is preferably formed with an enlarged extremity 26 which is disposed at an angle to the body portion and is reinforced as at 27 at the angle formed by the extension with the body portion and the reinforced portion 27 serves as a hammer head when the tool is used for that purpose. Each of the side faces of the extremity 26 is provided respectively with a

concave portion

28, 29, which are disposed opposite to each other, and the concave portion 29 is preferably located adjacent the end of the concave portion 28 at the extremity of the end 26. One face of the handle is provided with a longitudinal groove 30 and the opposite face is provided with recesses 81 which extend into the concavities of

depressions

28, 29 respectively and the free extremity 32 of the handle is preferably flattened.

Projecting laterally from the side walls of the socket 19 are lugs or

extensions

33, 3%,

which extend toward and terminate short of each other within the socket and these lugs or extensions are preferably located adjacent the outer end thereof and in such position that when the extremity 26 of the handle is inserted into the socket the lugs or extensions will enter the respective grooves or

apertures

30, 31, to permit the handle to be properly seated within the socket, and also serve as a means for holding the ex tremity of the handle against vertical and lateral movement when the handle is in position.

When the handle is in the position as shown in full lines in Fig. 1 of the drawing, the member 15 may be oscillated about its point of pivotal support 18 to cause the pawls 20 and 21 to alternately engage the respective ratchet teeth 13 and 1a to impart an intermittent or step by step movement to the standard 12 to raise the same, the extremity 26 of the handle being disposed at an angle to the body portion thereof to permit a free and full movement of the handle while the offset socket 19 will cooperate therewith so that the movement of the handle will not be obstructed by any of the parts of the machine.

If it should be desired to prevent the handle 25 from descending to such a distance as to cause the pawl 21 to operate to raise the standard, the handle may be removed and inverted in the manner shown in dotted lines in Fig. 1 of the drawing, so that when the handle is in this position and the member 15 oscillated, the extremity 32 of the handle will strike the ground or floor before the member 15 has been oscillated to such a point to permit the pawl 21 to engage the teeth 14, thereby rendering the pawl 21 inactive but permits the pawl 20 to engage the next highest ratchet, while the movement of the member 15 will serve to release the pawl 21 and permit the standard to be lowered step by step in the manner set forth in the patent above referred to.

WVith this improved construction it will be seen that the handle 25 serves as a tire tool for removing or replacing the tire should an accident happen thereto, the extremity 32 being used as a means for prying the tire off the wheel, while the concave portion 29 in the extremity 26 may be hooked over the felly so that the edge of the tire will rest in the concave portion 28, and by moving the tool about the folly as a fulcrum the tire may be forced back into position. Furthermore the reinforced portion 27 serves as a hammer. It will also be noted that the particular construction of the handle 00- operates with the remaining portions of the jack inasmuch as the lugs or projections will enter the grooves or

apertures

30, 31, in the extremity 26 when the handle is in either of its operative positions as shown in full and dotted lines in Fig. 1 to cause the extremity to substantially fill the socket 19 and to hold the same against lateral and vertical movement therein while at the same time they permit the handle to be moved longi tudinally with respect to the socket for removing the same.

Having thus fully described my invention what 1 claim as new and desire to secure by Letters Patent is- 1. The combination of a support, a stand ard adjustable with relation thereto, pawls for adjusting the standard, an oscillatory support for the pawls pivoted to the first support and being provided with a handle socket, and an invertible handle, one extremity of which is disposed at an angle to the body portion and provided with a concave face, said extremity being adapted to be detachably inserted into the socket, and means for holding the extremity against vertical and lateral movement in the socket.

The combination of a support, a standard adjustable with relation thereto, pawls for adjusting the standard, an oscillatory support for the pawls pivoted to the first support and being provided with a handle socket, an invertible handle, one end of which is disposed at an angle to the body portion and adapted to be detachably seated in the socket, two faces of said end being provided with oppositely disposed concave portions, and means for holding the extremity against vertical and lateral movement in the socket.

3. The combination of a support, a standard adjustable with relation thereto, pawls for adjusting the standard, an oscillatory support for the pawls pivoted to the first support and being provided with a handle socket, an invertible handle, one end of which is disposed at an angle to the body portion and adapted to be detachably seated in the socket, two faces of said end being provided with oppositely disposed concave portions, and means for holding the extremity against vertical and lateral movement in the socket, said means comprising a projection on one of the elements and cooperating slots in the other member.

4t. The combination of a support, a standard adjustable with relation thereto, pawls for adjusting the standard, an oscillatory support for the pawls pivoted to the first support and having a handle socket provided with a lateral projection within the socket, an invertible handle, two faces of one end being provided with oppositely disposed concave portions and having a slot extending longitudinally across the said faces, said end being adapted to be detachably seated in the socket and said projection being adapted to extend into the respective slot to permit the extremity of the handle to be seated and to hold the same against vertical and lateral movement in either position of the handle.

5. The combination of a support, a standard adjustable with relation thereto, pawls for adjusting the standard, an oscillatory support for the pawls pivoted to the first support and having a handle socket provided with a projection extending from diametrically opposite Walls of the socket to- Ward and terminating short of each other, and an invertible handle, one extremity of which is disposed at an angle to the body portion, two faces of said end being p'ovided with concave portions and having a slot extending longitudinally of the respective faces, the projections being adapted to enter the respective slot so that one of the projections will engage a portion of the end to hold the latter against lateral movement.

6. A lifting jack including a handle socket, a detachable jack handle comprising a body portion having one extremity enlarged and disposed at an angle to the body portion, two opposite faces of the enlarged extremity being provided with concave portions, said extremity being adapted to be removably seated in the socket, the other extremity of the handle being flattened.

7. A lifting jack including a handle socket, a detachable jack handle comprising a body portion having one extremity enlarged and disposed at an angle to the body Y portion and having two opposite faces provided with concave portions, the concave portion in one face being arranged adjacent one end of the concave portion in the other face, said extremity being adapted to be inserted into the socket the other extremity of the handle being flattened.

S. A lifting jack including a handle socket, and a detachable jack handle comprising a body portion having one extremity enlarged and disposed at an angle to the body portion, said extremity being reinforced at the apex of the angle formed by the angularly disposed portion, said reinforced portion being provided with a fiat face to form a hammer, the other extremity of the handle being flattened, the enlarged one of said extremities being adapted to be removably seated in the socket.

9. A lifting jack including a handle socket, a detachable jack handle comprising a body portion having one extremity enlarged and disposed at an angle to the body portion and two opposite faces provided with longitudinally concaved portions and having a longitudinal groove in each of the said faces, said extremity being adapted to be inserted into the socket.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 14th day of October, A. D. 1907.

WILLIAM H. OLIVER.

WVit-nesses CHARLES H. SEEM, FRANCIS A. HOPKINS.