US728941A

US728941A - Lifting device.

Info

Publication number: US728941A
Application number: US13645002A
Authority: US
Inventors: Benjamin F Lanham
Original assignee: Individual
Current assignee: Individual
Priority date: 1902-12-24
Filing date: 1902-12-24
Publication date: 1903-05-26
Anticipated expiration: 1920-05-26

Description

No. 725:,941 PATENTBD MAY 26, 1903.

B. F. LANHAM.

LIFTING DEVICE.

APPLICATION FILED DEG. 24, 1902.

N0 MODEL.

No. 728,941. Patented May 26, 1903.

TA'IES PATENT FFI BENJAMIN F. LANHAM, OF DECATUR, ILLINOIS, ASSIGNOR OF ONF-I'IALF TO LEWIS MCKINNISS, OF DECATUR, ILLINOIS.

LIFTING DEVICE.

SPECIFICATION forming part of Letters Patent No. 728,941, dated May 26, 1903. Application filed December 24, 1 .902. Serial No. 136,450. (No model.)

To all whom it may concern.- sleeve B, and the arm A has a somewhat Be itknown that I, BENJAMIN F. LANHAM, similar collar b rigidly secured to and cara citizen of the United States, residing at Deried by the upper end of a rod B, passing catur, in the county of Macon and State of loosely through and capable of movelnentin- 5 Illinois, have invented certain new and usedependently of said sleeve B in a rotary as ful ImprovementsinLiftingDevices, of which well as-a longitudinal direction.

the following is a specification, reference be- 0 designates the handle portion of the de ing had therein to the accompanying drawvice, which is of a double type and has the ings. oppositely-arranged grips c and c, the one This invention relates to an improved lift arranged directly above the other, and the ing device designed primarily to facilitate the former being rigidly secured to the lower end handling of store goodssuch as cans, botof the rod B, while the latter is similarly setles, and similar articlesstored upon high cured to the lower end of the sleeve B. The shelves or in other elevated places beyond the grips of the handle portion 0 are connected reach of'an ordinary person. together at their adjacent ends through the The invention contemplates the provision medium of an adjustable coupling D, com-- of a device of the character above mentioned prising ferrules d and d, projecting from comprising oppositely-disposed gripping the ends of the grips, the ferrule (1 being members, means for operating the same to interiorly threaded to receive acomplementcause them to approach and grasp the article ary exteriorly-threaded portion of the ferdesired, and means for locking the gripping rule d. This adjustable coupling permits members upon the article. the grips of the handle to turn in opposite Novel details in the construction and operdirections relative to each other, whereby a ation of the several parts of the device will corresponding movement isimparted through be apparent from the detailed description the sleeve B and rod B, respectively, to the hereinafter when read in connection with the gripping-arms to cause the latter to approach accompanying drawings, forming part hereand grasp the article desired or to separate of, and wherein a preferable embodiment of to release said article, while the screw-threadthe invention is disclosed for the purpose of ed engagement will constitute a lock for reillustration. taiuing the parts in adjusted positions.

In the drawings, Figure l is an elevation Itis to be understood thatwhile Ihave hereof the device, showing the gripping members in referred to certain details of construction in open position, parts being sectioned. Fig. it is not with the intention of being limited 2 is a perspective view of the end portion of to any such details except in so far as they the device, showing the gripping members in may be specifically defined in the appended open position. Fig. 3 is a view similar to Fig. claims, because many minor changes may be 2, showing the gripping members in closed made without in the least departing from the position; and Figs. 4 and 5 are detail views. spirit of the invention.

Referring more specifically to the drawings, Having thus described the invention, what wherein like reference characters refer to coris claimed as new, and desired to be secured responding parts in the several views, A A by Letters Patent, is-- designate oppositely-extending curved grip- 1. A lifting device of the character deping-arms, either or both of which have their scribed comprising oppositely-disposed gripinner engaging surfaces scored or otherwise ping-arms, means for causing said arms to ap- 5 roughened, as at a. The inner edge a of the preach including an elongated sleeve secured arm A is cut away to permit the inner edge to one of the arms and a rod secured to the of the arm A to occupy a plane parallel thereopposite arm passing. loosely through said with and alongside the same. The arm A is sleeve to a point beyond the lower end of the secured to a collar 1), projecting from its sleeve and adapted to be turned therein; sub- 10o lower inner portion, said collar in turn being stantially as described. rigidly secured to and carried by an elongated 2. A lifting device of the character described comprising oppositely-disposed grippin g-arms, means for causing said arms to approach including an elongated sleeve secured to one of the arms and a rod secured to the opposite arm passing loosely through said sleeve to a point beyond the lower end of the sleeve and adapted to be turned therein, and means whereby the arms are locked in adj usted positions; substantially as described.

3. A lifting device of the character described comprising oppositely-disposed gripping-arms, means for causing said arms to approach including an elongated sleeve secured to one of the arms independently of the other arm and a rod secured to the opposite arm independently of the said first-mentioned arm and extending into said sleeve, and grips on the rod and sleeve; substantially as and for the purpose described.

4.. A lifting device of the character described comprising oppositely-disposed gripping-arms, means for causing said arms to approach including an elongated sleeve secured to one of the arms and a rod secured to the opposite arm and extending into said sleeve, grips on the rod and sleeve for turning the same, and means whereby the arms are locked in adjusted position; substantially as described.

5. A lifting device of the character described comprising oppositely-disposed gripping-arms, means for causing said arms to approach including an elongated sleeve secured to one of the arms and a rod secured to the opposite arm and extending into said sleeve, grips on the rod and sleeve for turning the same, and an adjustable coupling between the grips for locking the arms in adjusted positions; substantially as described.

6. A lifting device of the character described comprising oppositely-disposed gripping-arms, means for causing said arms to approach including an elongated sleeve secured to one of the arms and a rod secured to the opposite arm and extending into said sleeve, grips on the rod and sleeve for turning the same, and an adjustable threaded coupling between the grips for locking the arms in adjusted positions; substantially as described.

7. A lifting device of the character described comprising oppositely-disposed gripping-arms, means for causing said arms to approach including an elongated sleeve secured to one of the arms and a rod secured to the opposite arm and extending into said sleeve, grips on the rod and sleeve for turning the same, and an adjustable coupling between the adjacent ends of the grips comprising ferrules projecting from the grips, and a threaded engagement between the ferrules, substantially as and for the purpose described.

8. A lifting device of the character described comprising oppositely-disposed gripping members, means for causing said members to clamp an article, and means operable simultaneously with said first mentioned means whereby the members are locked in adj usted positions; substantially as described.

9. A lifting device of the character described comprising oppositely-disposed gripping members, grips for operating the same, and an adjustable coupling connectingthe grips for locking the gripping members in position; substantially as described.

10. A lifting device of the character described comprising oppositely-disposed gripping members, grips for operating the same, and an adjustable threaded coupling con-necting the grips for locking the gripping members in position; substantially as described.

'11. A lifting device of the character described comprising oppositely-disposed gripping members, grips for operating the same,

and an adjustable coupling between the adjacent ends of the grips comprising ferrules thereon, and a threaded engagement between the ferrules; substantially as and for the purpose described.

12, A lifting device of the character described comprising oppositely-disposed gripping members, grips for operating the same, and a coupling connecting the grips permitting independent movement thereof; substantially as and for the purpose described.

13. A lifting device of the character described comprising oppositely-disposed gripping members, grips for operating the same, and a coupling connecting the grips permitting movement thereof in opposite directions; substantially as and for the purpose described.

In testimony whereof I affix my signature in presence of two witnesses.

BENJAMIN F. LANHAM.

\Vitnesses:

GEO. S. DURFEE, BERT 0. Boss.