US1607866A - Valve-spring lifter - Google Patents

Description

b Nov. 23 1926. 1,607,866

C. W. CARR VALVE SPRING LIFTER I Filed Feb. 4, 1926 Patented Nov. 23, 1926.

UNITED STATES 1,607,866 i'iPiATENI ';o..;FzFarC1;E.

CHARLES w. CARR, or MEADOW GROVE, NEBRASKA, assrertoa crown-narrate norms B. CARR, or MEADOW :enovn, NEBRASKA.

vALvE-srRmG Lirrnn.

Application filed February The invention relates to improvements in devices for compressing the sprlngs of engine valves, so that they may be entirely out j resides ,in the novel subject matter hereinafter described andjclaimed, the: description being supplemented by the accompanying.

' drawing.

'Figurelais a perspective view ofa spring litter or compressor constructed'in accordance with the invention.

Fig. 2 is an enlarged, fragmentary, vertical sectional view.

v Fig. 3 is a detail vertical section'through the free end of the valve holding arm, showing the relation of the valve holding finger with said arm.

Fig. 4; is a detail vertical sectional view v otholdi g its dog,22 released, whenthe two through the spring engaging foot and asso ciated parts, showing the manner of connecting said foot with a lower arm of the device.

In the drawing above briefly described, the

numeral 5 designates a vertically'disposed '25,ith'e' front'end ofsald lever'being preterably formed with two 'turcat ons 26 which shank having downwardly facing ratchet teeth 6 on one edge. The lower end of'this shank is provided witha T-head"? which is received in the channel 8 of a 'channel meta-l horizontal arm 9, the side. flanges of said arm beingformed with longitudinally spaced openings 10 through any of which a cotter pin 'or the like 11 may be passed, one end portion of the head 7 being formed with an opening through which'this pin also passes. Thus, not only may the arm 9 be adjustahly connected with the lower end of the shank 5, but said arm may be upwardly swung to an out-of-the-way position, when its use is not necessary and the tool is to be placed in a tool boa or the like. I p v The bottom 12 of the channel metal arm 9, has a notch 13 formed in its freeend, said notch receiving the upper end, of a'vertically elongated plate 1 L whose rearedge .abuts'the inner wall of the notch. This plate 14 car- 4, 1926. Serial. No., s5,9s'e.

ries abifurcated'foot 15 to; straddle the lower end of a valve'stemand engage thelower extremity oi the valvesprlng' The rear end of this. foot. is fform'ed with an upstanding legportion 16 of channeled' t'orm, said leg portion receiving thebody of the plate'vl l and being "connected deta'chably with the latter by means of a cotter'pin orthe like 17, passing through 'alined openings in the leg and plate. "The upper end of the plate 14;}is riveted as at 18 to the-side flangesofthe arm [9. fEngageme-nt of; the upper-fend of'thefleg 16, withltjhe lower side of the 9,:l'1'0flds theplate 14c andthefoot .15 against anypivlotalaction with respect to said arm;

,The' details just described permit the at t'a'chment of feet'of different ldesignstoj the arm 6 9, according to the conditions encountered onj difierent, motors. Preferahly,;each

"foot 15 and its leg portionltl are pressed or drop-forged from a sin'glr'e bodyot' n'etal, for ease in manufacture.

An upper, relatively large slide 19,.and a lower, comparatively "small slide Q O; are

mounted onjthe shank 0, said 'sl'ides being provided with upper and lower dogs 21 and 22 respectively," for coa'ctio'n with the ratchet teeth '6. jPre'ferably, ahand actuatedyoke 23 is pivoted to'the slide for the purpose slides and the shank [must ,be "rapidly ad- 'justed, as when applying or removing-the the .t'urcations 26 while their lower ends are pivoted at 30 to the slide 20. By'this arrangement, the slide 19 being held against descent as will hereinafter become apparent, upward movement of lever 24': forces the links 28 and the slide 20' downwardly upon the shank 5, the dog 22 then clicking over the ratchet teeth 6 in readiness to operativel a enga e the last tooth over which it clicks. Then, depression of the lever 24, pulls upwardly upon the links 28 and slide 20, and the 22 then lifts the shank 5, causing'ugjiward movement of the arm 9 and foot- 15, to compress the valvesprir of in. a n1 i 'i he tront. edge the slide 19 is'previded with an integral, forwardly projecting lug 31 which extends into the channel 32 of an upper channel-metal arm 33, the side flanges of this arm being pivoted to said lug 31, as indicated at 34, so that the arm may be downwardly folded when not in use. Received 1n the channel 32, which channel opens downwardly, is a horizontally elongated head 35, said head being adjust-ably connected with the arm by a cotter pin or the like 36 passing through an opening in the head and adapted for engagement with any of longitudinally spaced openings 37 which are formed in the side flanges of said arm. The head 34 is provided, preferably at its front end, with an integral, downwardly projecting finger 38 of cylindrical form. The lower end of this finger is adapted to engage the valve whose spring is to be compressed, said lower end being preferably pointed as at 39. Threaded as at 40, upon this finger 38, above its pointed extremitv 39, I prefer to employ a dome-like valve engaging member 41, so that both the point 30 and the member ll, or either of them, may be engaged with the valve, as occasion may demand. It will thus be seen that while the foot 15 is pulling upwardly upon the valve spring and the usual washer with which it is engaged, the valve is held against ascent, even should said washer bind to quite an extent upon the valve stem.

The device is rather simple and inexpensive, yet will be exceptionally desirable, its primary use being in garages or repair shops, in which the mechanics must be in readiness to effectively work upon machines of all makes. The device may be quickly and easily applied, easily operated to compress the valve springs, and quickly and easily disengaged from the motor after valve parts have been reassembled.

As excellent results are obtainable from the details disclosed, they are preferably followed. However, within the scope of the invention as claimed, variations may be made.

I claim:

1. In a valve spring compressor, a shank having a head at its lower end, a horizontal channel-metal arm whose c hannel receives said head, the front end of said arm having valve spring engaging means, and apin for adjustably connecting said arm with said head, the side flanges of said arm having longitudinally spaced openings through any of which said pin may be inserted, permitting longitudinal adjustment of said arm. and valve engaging means carried by said shank for cooperation with said arm carried spring engaging means to hold the valve againstascent during the compres sion of the spring.

2. In a valve spring compressor, a shank, an arm carried by said shank and having a downward projection at its front end, a valve spring engaging foot havin an upstanding leg member at its rear end shaped to receive said downward projectiqn, means for detachably connecting said leg portion with said projection, and valve engaging means carried by said shank for cooperation with said arm carried spring engaging means to hold the valve against ascent dur ing the compression of the spring.

in a valve spring compressor, a shank, an arm carried by said shank and having a downward projection at its front end, a

.valve siring engag in; foot having at its rear end an upstanding channel-shaped leg portion which snugly receives said projection and abuts the lower side of said arm, a pin passing through the side flanges of said leg portion and through said projection, and valve engaging means carried by said shank for cooperation with s id arm carried spring engaging means to hold the valve against ascent during the compression of the spring. I

4. In a valve spring compressor, a shank, a channel-shaped horizontal arm carried by said shank and having its bottom portion formed with a notch at its front extremity, a vertically elongated plate received at its upper end in said notch and between the side flanges of said arm, a fastenerpassing through said side flanges and the plate end, a valve-spring-engaging foot connected with said plate below said arm, and valve engaging means carried by said shank for cooperation with said arm carried spring cngaging means.

5. In a valve spring compressor, a slide having an integral forwardly projecting lug, a channel-shaped horizontal arm Whose rear end receives said lug, a fastener passing through the side flanges of said arm and through said lug, and valve engaging means at the front end 'of said arm, and valve spring engaging means to cooperate with said valve engaging means.

6. In a valve spring compressor, a chan lelshaped arm whose channel opens downwardly, the side flanges of said channel being formed with longitudinally spaced openings, a head received in said channel, a pin insertible through said head and any of said openings, valve engaging means projecting downwardly from said head, and valve spring engaging means to cooperate with said valve engaging means. i

7. A valve spring compressor including a vertically disposed finger whose lower end is adapted to contact with the center of a valve, and a dome-like valve-engagingmember threaded on said finger, the peripheral edge of said dome-like member being concentric with said finger.

8. A valve spring compressor comprising a vertical shank having a horizontal forwardly projecting arm at its lower end, said arm being provided at its front extremity with a valvespring-engaging-foot, upper and lower slides upon the shank, a for ard- 1y projecting horizontal arm carried by the upper slide and provided at its front extremity with down vardly projecting valveengaging means, a lever fulcrumed on the upper slideand linked to the lower slide, and co-acting means on the shank and the two slides for permi ting upward movement of the shank through the upper slide and downward movement of the lower slide upon the shank.

9. A valve spring compressor comprising a shank whose lower end is provided with a forwardly projecting arm having valve spring engaging means, a pivotal connection between said arm and said shank permitting upward swinging of the arm when its use is not desired, a slide upon the shank having a forwardly projecting valve-engaging arm, a pivotal connection between this arm and the slide permitting downward swinging of the arm when desired, and means for relatively adjusting the slide and shank. I

In testimony whereof I have hereunto aftixed my signature.

CHARLES W. CARR.

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