| 摘要 |
Conventional mechanical winches tend to be somewhat complicated and expensive to produce. A relatively simple. inexpensive winch device includes casing means; spool means mounted for rotation in said casing means; cable or strap means on said spool means for connection to the article; and slack adjuster means mounted on said casing means and connected to said spool means for rotating the latter, whereby the cable means can be wound onto or off of said spool means to raise tension or lower on article. |
